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1. 1 YOLOW N33VHS Ret IZ 9 0 Sz 222 si s mS Q G e gt a uo YZ 1015x NIES Sa ut YOLOW A KE 10154 aibi C AWOHA ji s as Ta FB TO Fors oz HLS T aT BL CIN JO xa5 d a HIS z9 we A 418 a m iH Td m JTN EO ji FEET s Te CBP me e a E Hn PLZ dl B CC LIHIS i ZK MOL uoc ILY 2 o Suv vi MSI v S0 Z 4 ANWLSNOO 8 o TL Q3HOLIMS v ea z6r 538 1V3H 1NO84 ZX MOL WYO v CMS REL ToO 4 LV3H M3lHHYO it d be S T Sau LV3H uv3H 011 CAL i Si ALY d AW 7 5 LH 69 TEE T 1819 1v3H i Ivo a 69T 9 sj32uu0 T HIS cir Q3VO8 NOILJNnf 83AON a 1 ET Ll QNO 31v18 id z 349 YN JHL WON4 3178v2 NOGA Nid 92 e E Lj L Z1H Id 240 TT SI 9 ser Y 9NO 8x CM wyo c1 EEE q P NCHA g S SHU L515 79 ONILV 3H QUE m CiO ivl C1075X E eu 06n C IN24 MOLSINS3HI A L ACL ON on A A vig L kp s r E Ez p Q31lBIHOHd 75539457 606606020 gir ri L l SI NOILvOl1dng QIZIXOHLNYNNA 91 81 SINIOd 1531 1 39VJ431NI YFAOW 31vld 30062 QHVOS 32V JM31NI H3JAON JLVid A9OIONHOJI SS3NJdVMVY 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricte
2. Q3LI8IHOYd 1715529095 2 veOoZN In 3 vn wi ALY Ien NOud 33 zb B OS z VIES g cu 4E T a 0 Is2 T SLK Z 3 A ji 2 MEE S 0S1 0 9N go u3M0d 9 S asa aona 82 zv vaseg i IUS o now 4 49022 90 lt goa S gt IY psh TOS 653 OGE 2 8N3 n d T Z M E S 84 ZF izle OSL y 9NN z S xr Get ES p 0 182 2084 OK si EN sx og 0l CHA a QuvOS 9129 ZSd OL L AZZ 3HIM Z e d 334318 TER v oozNon anv Es v 7 r lt 7 24138 AZE Tra a 6n 1948 190 zaa o0 we 3 an 8 QNS Y v 00zN1n id uie Lou AL L ATdans S Nove aamod i CUm Oo E Ait L E LLP wll 6 x 5 S sia Os SES ei zr sual rs ea ma J usq 9 980 Sia OL oual C s n18 12 8 Bo 6 bd C081 019935 SOME OBIZ OL J YT m Oxi J XL c aay XI xA o z N89 XH i a Mo a OXY E aoa Q i x18 QNO ESENIN ste ELIT EO A 79 680 nn IK zea t me l IZEZ SA Ting ET anor Um 0 13NNYHO VlHiS El T hagn HE d e vir 8i S aol goo ozo 5 JOV 3831NI v Z S 40553504d02 006 LNOLLVOITENG 0221900 LAYNA 300c 006c A90 IONHOJI SS3N3dVMV 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory Oauthorized personnel and i
3. e c CZLOHPL CZIOHvZ ano QN9 Qni Qno x 1x39 ES L 490 130 S19 A007 b 1 5 E PLOHPL SD a Ee DE 18 1 v 8n i ho dec D 7s z v1 779 RIE m S Ho Acc Sry Si 260 Y RN v vIn E SINIOd 1531 OLuQH Rp veogcN Tn 3moH Z 29094 tor KHzud 1Nf102 INNO L 2 MICH Z AvA L Move y We lt G lt 7 3WOH X 719094 6 RE 2J vN8 3 91N mon z xovs le HET ANN09 LNNOD Z 28099 X 3803d vcogzwan 3WOH 92999 FFT Hg AL L Me lt lt CUm INnOO Z HOV 3 Ges 0319384 3 em 0 310 Ia 1NQ02 L aava le 313 zZ iNnOO x 38084 y Xsd T a TR d 1Nn02 x 380ud f L dr Pecans lt I YIOHvZ S OH z 29099 zr 38d NL Q 8n Al g Mv ie 8 we Au g Nez Zid QNnON9 20719 NY a l a ZNY u gin Q 1NH YEO8ZNIN A HZ9 w z I Heat 8i T 3 SNY V YNS v 910n AST a YLOBZNTN 3W0H 3N0H ote Hy uci Z 9799 oxDva ZW TET zi Z ms j 8n at 8 91n lt x A ai ANN zXd onean v 08zN7n c ow WOH 3A0H lt x Z 380Nd X 19094 AXAT 1 8 Ee 4 94 a veOBZN n NL TYiOH TL Weare ae rz B8 e Li 2 80 Qax 3 9 y Wea lt f xd v lt T Te S Ke is 8 TNM 2 gin NL oe S O 1Na azz 6 EZLIHY Z SNB m YEORZNTN dozy oe oi 1 91 1x43 Y T 6 3 399 Iia e NOIL23130 NOILISOd ea Woz t C C Q3LIBIHONd A15S38dX3 O vid c SI NOILVIIIdNG QIZIYOHLNYNA AL us aug 031 OL zm z amp la Q4vOS8 NIVW 0062 3001 0062 a CS LI E AQOTONHOSL S
4. xz g Stu Ai Ro A A zza SL foc 4a E 301 yI2Hv YIOH L A 1 Mes X gt on Og 9 2 i E NOLSINH3HL ng 96 Z 9 6 8 2 Te lid z 49078 103 o 5 920 Q 9zh m Lj D eer z f m rey 001 SL AW Z Ry EP Boy aL 528 ba l mie 624 Ht T A L T er T K gt r2 go TLOHT L VIOHPZL T e 3SN3S 5A dil 3803d GE v 9cf 8 9zn jo MB L uuozc 1v3u 39094 ns ob go dE ata Ed yo r Q Ba AL O l 031 7 380Nd NOX ZN Z azr RESET pe into 21997 3UM 8 TST WM KK NEZ f Ola ES Oza 7 L S K v 62n 0i x01 SStWI 8 vINH PLNY i CAG GYvVOG 3SN3S 1V3H 3808Hd Q3ALGIHOYd A SS3adX3 FANE SI NOI1VOITdnO GIZIMOHLAYNN Q4VO8 ISNS 3808d Q0062 A90 IONH231 SSJN3SVMYV 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory Oauthorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 144 Rev B 3 Probe Z Junction PCB 1 of 1 CJ MOTOR REO 2 5V 37 a Taaha PROBE Z JCTN BOARD 12V FROM MAIN 10 PIN RIBBON FROM MAIN un zZ o 4 g D a 2 a Q ut in ao e I a x 2 a us C LZ r eo a a gt in ui ty U
5. g WG CSN3Sd g WT 9 9 vG9Qv l x g 3 AL ES L giu ul 6n e 2 212 WOO SSA Z 7 A R 2 33 g 35 844 EY JJA 51 HNI cx yH e rin viOHvZ OXN 3414 gon l co pa EXM gt 9 mL d z W8 lG0v02 Xni3g SMOSN3S Bla XOL ADR Sn JENA AldW3 3SNIY STc 7 We ALONG HS M 9T y We Ting 318v4 len S We X MV zr a6Na At VENY YEOOZNTN 5 gi T 2v ven u dna V ot f om B vM S val IG ATIMS FF YEOOZNTIN oen se H 3s 1091802 sud 8H JU 3H Y 00ZNTLA jen 1SnvHX3 itii iim qe 9 02279 739 Sud 039719 iilii YEDOZNTN A acn OH HSYM 3SNIM amica zi Z GSN ISIC GV3H usva I iin vE OOZN1n A Gen ce lt MdST 714 ANI HSVM EEE VEOOZN7fl A acn Sv Qv3 Ugg tiim y C QST CALdN3 nonou diii veo0zN3n 7 vein PHE vE EIS t pa Am J40 QishNn 1 EQ aen Z I4NSSIYd Q i S2 D TA Ss ZT WANIYA NOL Y YSNA 47 i c Jn O 1 t9 8 8 ve00ecN IN EOOCN IN 6 HSIN HEN TONLNOD dANd SATIVA SYOQSNAS WANSVA jenssidd C C Q31LIGIHOYd A1qSS3NdX3 Si NOILYONdNG Q3ZIHOHInvNn UY 09 331H9nVO 49010NH23I SS3N33VMV 2900 Series Service Manual 1999 Awareness T
6. G97v8l Q38 NIOf YILINOLOHd 43LJAOLlO0Hd TANNVHO 7 Q3ilglHO0Jd AT15S38dX3 St NOILvOIldflld GIZIYOHLAYNA YFLINOLOHd 30067 un N rd 204d023 WOM 3MIM Z 903302 NOM 7 NOggly 3MIM vl ea Oo A oO a 2 L L ea z 8 o coE A 2010NH231 SS3N3NVAV 9 Sir ouan Jn 10 eza SU 3 T i co o 6 y ie E INNODL 14 qn 107 HEE RL p ie I INOHL 4 dnegel z v9 v8l m Qvuog gir SLOTI zM O ei DIE cis He Bz M v d5V 5 ZZ me lL x 622 S SL0 891 LA v 8 6 0 K To o 97 bath NSNY nar eo 2 z lt rey M2 dSV9 als 29 4dS fo rE S L CRS EE SCT N13 NY T z NEU GLOEI 4 inoAva NO SIML Xi t se S T 1 C L UNS v ezn z o nd val z Ripu re Soc 7 812 01 2 ez a ta eo ASL nur i 8 8 AE 51 mAN V ZNU 29281 822 8313A010Hd 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory Oauthorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 126 Rev E Optos DC Junction Daughter
7. Probe Z Probe X Junction Junction Red Red Stripe Stripe Red stripe 9 Red C x NT SNNT X Index Y Index Stripe S di Na DIZ DIS i i iu m Wheel Power Fen Photometer cevn Junction Junction AB Board Power Pump Ie Photometer Calibration Channel 1 vA valves L 8 Groy DJLA hanne 2 DAUGHTER Calibration Channel 3 S Processor hite S Low End Alive One L E Channel 4 Shot Externel Temp at Sensors asher A Block Count Carrier Plete Temp Plate X Plate Y Temp 9 19 8 COPROCESSOR count l ate Empty Power Horne Sl Secu vacuum NE Gr Sum Plate v ___ Plate X BTUETUET NS Power puo Count ugghHome Norm S Pressure Home LED Tempereture Red Tubing Display Plug oF Pressure Red Green Stripe Figure 1 3 11 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 16 Bottle Connections Pump and Valve Bracket nd JSNla QI14 HEM 31554 21191 023719 JATA 109 INDO JANESJAd JATHA HORM HANITA Tl Ha J anssd d osunyyse
8. i sif q sin xL oF ENO 3 URI 005104 d I ip Le 33 E 3SN3S IIAJ 9 81 H 6 4 ATO z g 1419 LV3H 1109 S ACC YIOHvZ Q LINS 3802 i n 8n AG 3 9s0 dN3L W09 9 i O AZINS gt To ar DIRT S Tea UZ E d 0i Z v ge ISNIS dnt SS 3SN3S NMOQ Sz d 7Hg am INNOD Z 994 2 G S NMOG 380ud 4 dn 380ud 13 NTIH E 9 qayna 6L YIOHYZ AST QNS _L 320z B N2 YIOHF COIN e c 00S1 4 iub X 8 OLNY AST Main PCB 5 of 5 JOYLNOOQ 2909 vIOHPL IW4H 84d uf 2 0cfn a 1099 29090 8 A v 1431 3803d x a f244 Xd m x Z INO X 994 3 x fd Xd f IND X Sad 25 25 3SN3S 1131 x e 3SNJS H31N32 8 3 D 3 GIG Q4LIGIHONd 1715579912 S NOILY2IIdNQ QIZIYOHINYNA Q4v0O8 NIVW 0062 3001 0066 A9010NHO31 SSJN3SVMV 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 115 Rev B 3 Probe Sensor and Heater Control PCB NL A ANN Zou MC A GL e VY A
9. Vacuum SB Sensor TITIIIIII d Pressure Sensor External Pressure e Plate Temp Trimpot GL Temp Figure 5 8 Trimpot Locations on Daughter Board 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 91 6 0 Alignment 6 1 Photometer Plate Carrier This is only required to verify if you suspect that your instrument is having trouble reading e g poor repeatability on reading or if you move the X home or Y home flags 1 Alignment Check Remove the aerosol shield probe shield and lamp housing cover Lift the instrument hood Taking care not to disturb the lamps release the lamp bracket by removing the 8 32 retaining screw Rotate the lamp bracket 90 degrees clockwise and screw the lamp bracket back down This will keep the lamp bracket in a position out of the way allowing you to see the position of the plate carrier with respect to the photometer Place the metal carrier in the metal plate insert into the plate carrier and enter a read well command for position Al e g RWELAOI723B Look straight down at the holes in the channel block while the read command is occurring and the holes of the channel block should be centered in the holes of the plate insert
10. 41 Valve Bracket se 16 3 1 C RODOE renint 43 Syringe Pump sss sese eee eee ride 17 3 1 4 Updating the default reports 43 Photoineter sese ee eee eee 17 3 1 5 System Info Report 43 B ttle S t eisein 18 3 1 6 Using ChemWell Pack 44 ChemWell Coordinate System 19 3 1 7 Instrument Report 45 1 4 Technical Specifications 20 3 1 8 Software Service Commands 47 2 0 Principles of Operation 22 3 1 9 Available Tests Commands 48 2 1 System Control Electronics 3 2 Error Messages 93 C SM NAT 22 3 3 Valves eee EEE 56 1997 2000 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair service No part of this manual may be copied or redistributed without the express consent of Awareness Technology Inc There is no transfer of technology copyright trade name patent trade secret or other proprietary right given or implied Rev B 3 04 00 3 4 Vacuum and Pressure Systems 56 4 9 Hydraulic System 79 3 5 Motor Control 56 4 9 1 Syringe Pump 79 3 6 Incomplete Aspiration 57 4 9 2 Syringe Replacement 80 3 7 Incomplete or Inaccurate 4 9 3 Fittings Tubing fitt
11. Ct hu vr sx A se Y HA Wwsszg 92d E La een L a LC S LIN GNOH3 H 6 e S G g En NU Z C i AWNOH 1 Eure 9 8 PI 8 g 8 8 E CRM ZF A KON 3L3NO10Hd OL j 0L ng 3 A07 J OLN X30Y3H GS ZXZ tdl ART l org PHS azn SXv3d 9019NY goed R S am TRP ej g Hs Gh camo 7 904 Y icu l 1 s 78 ZOrvNZ 92H 3 wee sag 7 Gle n g S i l eT Gta 3 ud a AN N LLL wen ole CCHS Org XY A 0i NOV On lt i A by iE ELNU i LHS We ot MX teer l On v AG i ofe 30H YP PlOHPl TIOHvZ i ogn i I ol LRN 1 e eZ T Y RBP i z XN A 8 aho 3 PUR ENO i o 9 i l un x01 gn JANY 1 AS i I S IAN Yi6NI 62 31 ILZO l S DG ZT E fart Ss any ac T i d ezen deos x ESEI 7 a NZZ TOENN i 94 M 9 L Q ETL OGNA undi 1 i n JINN NS A ob NEU CN 1 xg C YHS ERE 9907 Feel T OX pr owvHO Q 3nzo UE 22 YZZ S net QNO2 ESEJI Ff INOI em g er n os t E anog AOL INWHO 9 K IGNA YNOJ INS i s T A q9 9 90 1 D ZJ 31 0 30 1 T PE ean A amp 8 0 80 1 AOL Z Wvuo l mH vi 0 vO i 89NN gt 0 T S EAL yer e eug NOL L INVHO i VINES d a T 3 TAN wuoogi aan amp SYNU EO WU WLY NLY veut ay lazo ner zi Ua En Y YL SN e YEOOZNIN CSC 17 Fan L i S C a t ANY AN AM AM o sme Z pay t IF 941 Gdl dl rdl e se Lz XOZ 402 XOZ x02 E yeoozntn T WKS EE VON i cm np e aua won OTE N sr JE eel 010Hd OL ven Sar Laa C C G3LIGIHOYd 11552052 o cer jn s NONLVOITdNG G3I
12. 2 6 Main and Coprocessor How They Communicate 29 2 6 1 Firmware versus Software 20 2 7 Power Supply 31 2 8 Watchdog Circuit 32 Table of Contents 2 9 Motion Control 33 2 10 Plumbing 35 1 0 Introduction 1 2 10 1 Pressure and Vacuum 35 1 1 What ChemWell does 1 2 10 2 Pumps and Valves 35 1 2 Warnings and Precautions 2 2 10 3 Wash System 35 1 2 1 Intended Use uem 3 2 10 4 Draining eee e 36 1 2 2 General Safety Summary 4 2 11 Bottle Fill Level Sensing 36 1 2 3 To Avoid Fire or Personal 2 12 Syringe Pumps 36 IT 4 2 13 Photometer eee 37 1 2 4 Safety Terms and Symbols 5 2 14 Computer Connections 38 1 3 LayOut inini 6 2 15 Computer Software Interface 39 Plate X Movers seene 9 2 15 1 Explanation of terms 39 Plate Y Mover eee 10 2 15 2 Navigating the software 39 Rack Y Mover sess 11 2 15 3 ChemWell status window 40 Probe X Mover sees 12 2 16 Instrument Functions 40 Probe Z Movers 13 3 0 Troubleshooting 41 Washer sarene Eu POM 14 3 1 Service Tools ish irat 41 Electronics Rack ss 15 3 1 1 Test Mode a atit 41 Bottle Connections Pump and 3 1 2 Status Indicators
13. 3 1 4 Updating the default reports The ChemWell software includes a set of default report templates including a template for each mode and for various special reports The user can edit these default reports but the software contains a way to restore them to their original form at any time This may become necessary if the user edited report templates contain errors which prevent them from being used From the Setup menu of the software select Preferences and then Default Reports The Default Reports Setup dialog will be shown Select the button Restore Update all default report templates to restore all of the standard templates It is recommended that custom reports be created by first copying one of the default reports to a new name For more information on report templates please see the Report Template Specification in the Owner s Manual 3 1 5 System Info Report The system info report provides information on the computer that is running the ChemWell software To access this report select System Info from the Help menu of ChemWell The Windows version section will report information regarding the Windows installation In Win dows 95 the SP section will report the system revision CAUTION There are several known problems with the versions of Win AN dows 95 prior to B which do affect ChemWell If the user has one of the earlier versions of Windows 95 the system should be upgraded ChemWell has been tested
14. 2 10 4 Draining The probe empties and flushes in the wash cup Liquid exits the wash cup through tubing that drains into a waste trough underneath the rack mover From there liquid drains to the drain bottle by gravity The washer aspirates liquid from the plate into the waste bottle The wash trough drains by gravity into the Waste Trough 2 11 Bottle Fill Level Sensing The signal BOTLV is fed through a voltage divider to stainless steel wire probes mounted in the caps of the wash rinse and waste bottles The signals are time division multiplexed via U9 into V F convertor U14 and the resulting frequency appears at the CLK2 input of 8254 timer U2 The micropro cessor reads a change in frequency which corresponds to a change in conductivity of the material between the probes Refer to 1 3 3 and 1 3 15 2 12 Syringe Pumps The syringe pump is an OEM component of the ChemWell consisting of two syringe drives and one valve drive which are capable of independent operation through its own microcontroller board The pump module has its own internal command set and communications between the syringe pump and the ChemWell Main PCB occur serially via a 3 wire cable connected to J2 on the Main Board The valve has four possible positions that connect any two ports at right angles The valve is used in only two of the four positions allowing the 2 5mL syringe to connect to either the priming tube or the interconnect tube Priming fluid from the pr
15. syringe interconnect 18 GA SW TFE 8 inches 20 32 cm Cut this tubing evenly with a sharp knife 2 Remove old tubing For the syringe interconnect tube unscrew the fittings from the valve and T connectors at both ends For the feeder line unscrew the tube fittings at both ends and cut the fittings off Leave the old cut tube in place for now Flare the tubing at the T connector end so that the new tubing can sleeve inside Sleeve the new feeder tubing inside the old tubing and pull the new tubing through the cable carrier by pulling the old tubing at the probe mover end When the new tubing passes through the cable carrier discard the old tubing leaving the new tubing in place 3 Install the Delrin fittings at each end first followed by the washer and then the o ring Use the o ring to hold the fitting in place a few inches away from the tubing ends 4 Using a flaring tool make a flare at each end of the tube The flare should be concentric with respect to the tubing ID and have an outer diameter of 0 15 3 81 mm 5 Pull the fitting washer o ring combination forward to the flare the tubing replacement is completed 6 Screw the fittings back into place and route the tubing through the tubing clips Prime the system making sure all air is cleared and there are no leaks 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restric
16. 0062 A9010NHOd3i SSJNJNSVMV lOMINOO NOILON 31V ld 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 3 155 Plate Mover PCB 1 of 2 LAMP FAN SHAKER MOTO SHAKER SENSE HEATING RESISTORS CARRIER HEAT CONSTANT OPTIONAL HEAT CTRL lt wem ro ul c TI uo ee ee S ol 12V gt PLATE THERMISTOR STATION THERMISTOR 7 x PA J7 PIN RIBBON id ROM y 7 o 26 F BOARD du 2 WIRE POWER FROM DAUGHTER BOARD ui TEO FPPCOHIBI EESSLY 2 z e C a a Ll ao 2 e ca m s a e T E 3 a en 2 EYE 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory Oauthorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 156 Rev B 3 Plate Mover PCB 2 of 2 X JLVId A 4LVid QV3H HSVM 1Nn02 1Nn02 1N002 111109 131109 Aad a E DCL g i 3N0H 401 Q LU UU Q LU 1 14 A 5 UNB 10 15 WM WML LY PROHIBITED ESS XPE
17. 016 017 018 019 020 021 022 Rev B Diluter Not acknowledging Check the cable that plugs in the back of the diluter CSI O Inactive Unable to communicate with coprocessor Incorrect length for Move All command Timeout waiting for coprocessor message Diluter is not responding Timeout waiting for completion of last coprocessor command Check reagent sample level Probe dip too large Probe sensor malfunction parameter checksum error probe jammed while level detecting small syringe stroke error large syringe stroke error The Coprocessor error messages start at 500 and go up 501 502 503 504 505 506 507 508 509 510 S11 512 513 Parameter exceeds allowed range Too few parameters Command has not been implemented Plate X axis is jammed Plate Y axis is jammed Wash axis is jammed The motor stalled while the instrument was attempting to move the wash head Check for mechanical obstructions broken belts and opto alignments Check motor driver U11 and associated logic Unknown coprocessor command Invalid dispense volume 25 350 allowed Wash head can not be moved unless PLX gt 210 Can not dispense unless PLX gt 210 Wash movement error Wash aborted See 506 Waste bottle is full Empty the Waste Bo
18. 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 25 2 4 What Daughter Controls Position Detection and control of Wash head Plate X Plate Y Plate Mixer Plate Heater Temperature Sensor External Temperature Sensor Pressure Vacuum control Pump Pressure and Vacuum Sensors Valves Rinse Wash Bleed Pressure Ctrl Bottle Liquid Level Sensors Plate Mover Plate Board Coprocessor PCA Valves AWARENESS TECHNOLOGY c 2i 3 Bottle e m z a u IL e z fZOHFL A OTT emeh iH 220 Nu fOBZNTi C T as EEIERIT er je TI sus T ghe _ EIT foo Sensors t uie RNG 2 HIE e Vacuum Sensor r m w nds m asit ei a Pressure Sensor sa E j AE La 19 amp LED External Display Temperature Plug 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 26 Rev B 2 5 All Junction Boards This section describes
19. 1V3H ANOUS 38LLv8I 32V 3831NI e SINIOd 1531 WLI 1V3H zer IER evt Ti BOLON N3NYHE S22 KRL NiOf 30 POWER SUPPLY QuYOB NLor OL 2900 300 184771E ASNOD HOLIMS age win 1V3H 038 co El cou 616 Wus zou H Hv un uy S s 322298 NOLLONAr WJAON ALY Id G 2900 300 B Brrr 85 299 Combo 18477DE gt c5 C Zz I C Li ke eo Vo Lo LLI D L L 1V3H 31d Rev B 3 Plate Mover Interface Plate Mover Relay Control 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 127 Rev B 3 AL gH oaas AMPAS YGCGZ9 0319354 YEOBZNIN 10 NL 3A1VA 03118 18d ANN ec HxTd 39v110 3ii108 ond Or ey ES HXdl i c 31AVA 315VM GBd 0 cl te Y LINN 9 ZLn JATWA 3SNIM rad ce 4a Z ELEZ sil v OgcN Tn 3SN3dSIQ d HSVM f8d soz
20. HOI vLOHPZ POH L ogy E E 2 SINH 2 NZ 7L SL 031 v 2 e W e YOLSINY IHL On ggg oT ts ca EA S ua qe 32018 1109 E z o G i 9 9 N 0 9cn 5 MIA SL E a we scr Al AS i ta KEN MZ A GL AM MW EE RC N qos vIOHPZ 35535 1 7 qi 319090 v 92n 8 920 QN9 0 pej2auuo 8 1 W40101 1v3H 3803d do SOISIAH3HL P 29094 E E P ru A TO 2 28094 MOHJ ger 37997 3HUM 8 CEO TGE KK 9S v81 Q4vO8 3SN3S LV3H 3803Md L Q31lBIHOHd 415539917 SI NDI VOI Tdn 0 2Z19O0uLnYNn QdvO8 3SN3S 480dd 3006 A9010NH231 SS3N3HEVAY 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory Oauthorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services uM En e ea z N lc z gt hynin z i o a S MOSN3S FS y18 Scoti Ol1dO0 dH Zz z7r Oe OIA 1 X eee LAE jv 7 l 940 cor zor ozr l Lvl A ML 099 330108 01900 Lu 93 cla ue 91 0089 LI NIVN WONG sc9 go YLOHYL AZ v 02f ATUS lo ir e D gio
21. N Using the File Management functions within ChemWell export all files to be transferred to an empty directory Start CWPack by selecting on the Windows Start Menu gt Programs gt ChemWell gt ChemWell Pack There is a checkbox option Unpack files and two directory file name entry boxes Chem Well Export Directory and Package File Name N Make sure the Unpack files option is not checked N Chem Well Export Directory always defaults to aAchemwell If you exported your files to a different directory enter the name of that directory here e Package File Name always defaults to a chemwell CWPack pck If you would like the pack file to go into a different directory or have a different name enter that information here Press the button labeled Start N CWPack will now process the ChemWell export files into a pack file When it is done the status window will report Pack Successful N You may now transfer and or email the PCK file to it destination Unpacking files To unpack a packed file perform the following steps N Start CWPack by selecting on the Windows Start Menu gt Programs gt ChemWell gt Chem Well Pack There is a checkbox option Unpack files and two directory file name entry boxes ChemWell Export Directory and Package File Name N Make sure the Unpack files option is checked N ChemWell Export Directory always defau
22. Rev B 39 2 15 Computer Software Interface Job Patients Setup ELLLELLLELLLE TEETETTIIN Fra Halip pers FH em 2 15 1 Explanation of terms Each of these terms is explained in more detail in the Owner s Manual Patient Database Stores complete patient records including name address and doctor information Sample Protocol Procedure for aspirating and dispensing reagents or samples Wash Protocol Procedure for washing wells Method Calculation modes and parameters for an assay Assay A test made up of protocols parameters and options necessary to run a test Panel A group of assays that are frequently run together Job Also known as a worklist it contains the list of patients or patient IDs and assays to run 2 15 2 Navigating the software When you first start ChemWell you will be asked to log in with a username At present this is used only for record keeping as this username will be printed in reports It is not necessary to enter a password ChemWell uses the standard Windows 95 98 Windows NT 4 0 controls windows and dialogs If you are unfamiliar with these controls and how to use them please refer to your Windows documentation All of the ChemWell functions are available from the pull down menus at the top of the program Some of the more common functions are also available from the main menu 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictl
23. ar lg J5 R2 T ze S E O age ian S X Gud p 45 C zd Sl np ee 5H e eme 3x LE s KOU d S SB Ben 869 e ten we zey 2 5569 SE EH E og 22 ER A at in ses Wn E S 8 2 i ek z lt ns pR afe n an i uH e ue 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory Oauthorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 3 110 S978 or 48d iv NI V1VO aas URS 5 54 994 ov 42 cga Z LNO X 8Ud ZXHd gt 2 8d 52 30H Z MOVE Hee S cad 17529 3WOH 5799 HIS 794 uM 3WOH Z 3803d H7Nd S 18d ay 3WOH X 390d Axed gr 08d Th 7412 1V3H 1100 ANOJ dod T18vN3 1VIH 2 N31H 93d wid 0 IS2 aida S2d 100 VIVQ aS od 32019 191935 X Jd JAvIS 12529 29d 434330 19d AZL Q3H91IAS SL 03d a wove Z XOWM Lyd sat za LNOYd Z 129 9 9vd BIETA 90 X9V8 WOVE I 3 ova BS sa 1NOHJ 229 9 p vd KOL 70 NM DU 719099 Vd 0 q df 39094 Z d io SEY za 1H9iJ 729099 iyd 00 i0 1437 380Hd Ovd tt N o0 B e i S i B EL G LL SU lt l Zida Zu HE QR E oHa Ee flow sjo e oa Lol 8 00v 0z 10 sap Oi LE 3 za sap s Ha S ca ray EZ L 70 vd SR TE sa D 25 t 30 IQ m e 0 0d 17 01 rez Ld 90
24. e z o C lt S 3 a 3 a e Ld a s I 2 x z iex d t 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 3 157 Appendix G Contact Information If you continue to have problems after consulting your dealer contact the factory Phone USA 561 283 6540 Fax USA 561 283 8020 e mail chemwell support awaretech com Mailing Address Awareness Technology Inc P O Drawer 1679 Palm City FL 34991 USA When contacting us please have serial number of the ChemWell in question Have a description of the problem with as much detail as possible Save any relevant jobs or logs to disk See File Management Using ChemWell Pack and send or e mail us the information 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory Oauthorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 2900 Series Service Manual 2 2 What Main Controls 23 2 3 What Coprocessor Controls 24 2 4 What Daughter Controls 25 2 5 All Junction Boards 26
25. 0 X w 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 145 CASILLA P l on O aa tul 3 QuvOH 001 0062 01 O IS3 OSes AN 0512027 gt PELI 2999 O3UN OYXI ZR UM Ovx 2 coxa 09 ES LOB oe AM AS 7 GENS y C EE G AZZ 3CN WHO oS A a D330 begeg MM BLY Z1NI E Biv INOL E Erbe N 8 tiy S 7 oa L6 ON cy giy S E Z zl nY me ead QU D aad Z UY iv 693 oH s 3L a NES UM E e l 6 i ev 60Y 60v E 8 a 9 p 89 1 ivE 2 eov yer 409 iN E 80v BOY SIT 2 n nN 5 Ey s i Boa ase sao ebe ev E sov Soy 0 a9 2 G lt pee P y J 20y y 90 L Qs Ta Z cn tall cov ty g feor so L 34 toa BIS Sov cov so gi OSE Q KZ ES A55 A v vov raf ol 00 Y OV TOV at 0 8c o umm pom LARA mi See HL RER ENE 2 l Y 1 6 Y g dir EN P pmo upc fue E os L Z v En zn ORIZ RTE Rip 2 00 2 010 14 00 010 14 010 ONnONS 7711910 NIVN v1I5I NIVN TSC 8 N31LU9ny 0 u31H9nv A dd S 1104 S H31H5nva SOV IN jiNI NIVAW ar cine 39vd4430 3NVN TWNDIS __ gt NIV S ZATO 193738 0 1 ANS ONNOYD 900YNY A 4444 0008 ema Line 3334 0000 E pna 0 ANS ANONJM CAD exu ri O31l8IHOHd A15S3NdX3 T
26. 4 3 1 Dome Lamp Replacement 68 6 2 Rack 1 Rack2 vices 92 4 4 Electronics Rack 69 6 3 Dispense sese 92 4 4 1 AC Wiring Layout 69 6 4 Wash Cup eee 92 4 4 2 Board Replacement 69 6 5 Washer eerte 92 4 4 3 EPROM Replacement 69 Appendix A Parts 94 4 4 4 Fuse Replacement 69 ChemWell Replacement Parts amp 4 5 Photometer Ee 70 A CCESSOT ES seene 94 4 5 3 Adjust Lamp Bracket Selected Part Illustrations 97 Level SG GWSC iai id pits pi Tel ran 74 Parts by Sub Assembly DR ME 101 4 5 4 Exhaust Fan 74 Appendix B System Diagram 102 4 6 Photometer Assembly Placement sese 74 Appendix C Block Diagram 103 4 6 1 Adjust Phorormeter 74 Appendix D PCB Layouts 104 4 6 2 Photometer Mount and Appendix E Internal Plumbing107 Adjustment sse ee ee eee eee 75 Appendix F Schematics 109 4 7 Filter Wheel sciente 75 Rev E Boards s 109 4 7 1 Filter Label 75 Rev D Boards ees 136 4 7 2 Photometer Filter Appendix G Contact Information157 Replacement etr ette 75 4 8 Plate Carrier ossee 79 1997 2000 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routi
27. 7 010 e a v en Y X ONNOYD 90IYNY A x D soe N Berk POMEL GII QILBIHOYd 15529013 SI NOILY2IIdNA Q3zlsOHinvYNn 9 OM gWe m aN og an p Q4vO8 adLHONVA q000 006Z2 3 2 INu v S S A90 IONH2 d SSJN3MJVMV A 3291IA30 Sng E 2900 Series Service Manual d for use 1s restricte is manual h iding routine instrument maintenance an ion given int d Informat 1bite is strictly proh ication i 1999 Awareness Technology Inc Unauthorized dupl ir services i d rena by factory authorized personnel and is to be used for the sole purpose of prov Rev B 3 151 Daughter PCB 2 of 5 e wo e m 4 eo be 0SPw WASH HEAD RINSE RINSE PLATE X HOME PRESSURE VALVE L PRES PLATE Y HOME C26 01 WASH HEAD DISP w w gt zm 0 lt gt o x N w 2 x x sot x un wet los 01 C20 470vF RLY DPST NO oO IS o Un amp zz baz L Ce AA r4 2 C c Qu t 29 Qt 25 C o ur ES Ul on tu LC W 2u xu zy Dw MAIN POWER 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory Oauthorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 3 Daughter PCB 3 of 5 152
28. Carrier connection is currently not used The extra two position connector with two orange wires should not be plugged into the board Power Coprocessor Figure 2 5 10 Relay PCB Connections The Relay board turns the second power supply off It is mounted inside the electronics rack 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 29 2 6 Main and Coprocessor How They Communicate CHEMWELL Figure 2 6 Computer to ChemWell Communication The cable from J8 of the Main board 2900 100 to J12 of the Coprocessor board 2900 200 intercon nects the two processors and allows them to communicate This connection uses a version of the Z180 s CSI O Clocked Serial I O When a command is received from the PC by Main the firmware on the Main board will determine if the command must be executed by the Coprocessor This is the case for example when sending a command such as WPRI Wash Prime Since both the wash head and the pressure system are controlled by the Coprocessor it is responsible for executing this command Using the CSI O connection Main will forward this command to the Coprocessor and wait for it to be com pleted When the command is complete the message wil
29. Plate X Mover Any Main Board AC Assembly Wash Cup Dome Lamp Plate Carrier Chassis 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 66 Rev B 4 1 Replacing Probe In the event that the probe supplied with the ChemWell becomes damaged it may be replaced as follows First loosen the set screw retaining the probe in the heating block with the supplied hex key Unplug the probe s green 4 pin connector from the junction board and pull the probe upwards until it is free from the heating block The probe is connected to the heating coil by a length of silicone tubing which will pull free of the probe as the probe is removed Install the new probe making sure the black o ring at the end of the probe body is seated firmly against the heating block This assures that the probe is seated to the proper depth Retighten the set screw but do not overtighten or the probe body may become damaged Reconnect the silicone tubing from the heater coil to the end of the probe and plug the green 4 pin connector into the junction board Verify that the probe is connected correctly Send a WPRB to ensure the probe is filled with Deionized water Then send a PCNT The average and instan
30. Repeat with position H12 opposite sides of the plate command RWELH12723B Refer to section 3 1 9 Photometer Commands 2 Alignment Procedure To compensate for backlash the plate carrier assembly is fitted with a set of index plates to reference the plate position with respect to the photometer If the instrument is out of alignment you will need to adjust the index plates Caution Alignment of the plate carrier to the four separate channels of the photometer is critical for accurate absorbance measurements to occur and must before done after aligning the photometer Reblank after aligning the photometerby using the BLNKAO1 command To adjust the aligment select under the script window the script Align 1st This script consists of a large series of the same command RWELAO01721 While this script is running observe the centering of the 4 photometer aperatures in the plate carrier by viewing from above The carrier should position such that the aperatures are in the centers of the 4 selected well positions If this positioning is not centered adjust in turn each axis of movement by repositioning the index brackets The x index is located at the right side of the plate mover mechanism The y is attached to the plate carrier Once centering is achieved type the command Y REF This will re establish the location of the y index plate Next type RWELA01721 followed immediately by POST This will display the c
31. See also System Overview Diagram in Appendix B ChemWell uses two switching power supplies both of which are mounted in the lower portion of the electronics rack The power supplies should require no maintenance or adjustment in the course of normal operation To access the power supplies unplug the instrument and remove the four screws which attach the back cover of the instrument WARNING The power supplies contain high voltage and can cause injury Do not operate the instrument with the back cover removed Facing the back of the instrument you will see a small box at the right side containing the power receptacle and the main power switch Note that Chem Well has no voltage select switch as the power supplies are autoswitching Inside this box are the main fuses for the instrument See Fuse Replace ment for more information Two sets of AC lines originate from inside this box One set goes directly to the first power supply and the other goes to the relay board The first power supply converts AC power to provide DC 12V 5V and 24V to the instrument It is always operating when the instru ment is turned on The DC output from the first power supply connects to the adjacent DC Junction Board using a 13 wire header This board distributes the DC voltage and has connections for the Main Coprocessor Daughter boards as well as the syringe pumps and internal lamps See Appendices for the layout Only one of J56 or J54 will be connec
32. x m is X XI E gt Iz IND N9x OL T 8 YE 7 PNS Dols Zxdft gt ZXdt 5 3 jn TEED 5 Ost ONS 5 Rar gt H S U DRE rel y Yan M s s gt anon r lt ee z E JSNIS 8c6z1 1331 mw NIVA NOM L BREED 8 77 NOSSIY Nid Ol AN AS x 6 LJ Tra ver Z up g ISSA 139 i any CT 5 5 9010 G ART 3 5 D QMVOS8 NOILONAP X 3803d I Q31l8IHOHd A1SS34dX3 PX SI NOIL YNANG 2321900 LHS ND o O Q4vO8 NLOF X 3804Hd 30062 A90 IONH J1 SSANJYVMY 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Oo ANDY a ovs 5 91 0089 z f soo l m i ae gir ACIM 1N031J OTs LHM HOLIMS 3 OH e e Gr Res Latai indd uvis Org OA anga f 131004 ow 6 8 G Paa acu gt deur OF TS LE is S E sua mue zd Qo an 7 ONS ANS QNS NSo Om I a FEE 3 1 YOLOW ar Naa bE BLH sfo z gt Qu up tw Mee MESCE F amp ADYA m 6 28 gJs za Bs gt YL Er ES I LL QL ac6z1 i 3 Z 1NO3 8 IHM HOLIM
33. 1 3 16 explains the coordinate system for Chem Well WARNING Hazardous line voltages are present behind the AC cover and on the power supplies Always disconnect the external AC power cable before servicing the instrument involve the use of biohazardous material Refer to ye d WARNING The operation of ChemWell may T Mad K the Owner s Manual for biohazard warnings 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 7 Wash Station Photometer Wash Rinse and Waste bottles Rack Z Reactlon Plate Reagent Rack Sample Rack Figure 1 3 1 Instrument Exterior without aerosol shield Probe Shield Syringes Top Cover or Hood l enpe f N s L Right Side Prime Panel Reagent Rack Sample Aerosol Rack Shield Plate Carrier Figure 1 3 2 Instrument Exterior aerosol shield translucent and syringe tubing not shown 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B N
34. 42 cvd ra 198 484 vyd ca NMJ L Kya zoi H zya af H Yd 00 iS vt CN 3I j 0v4 sn teze 8 L E g Y f 7 Piz 07 amp l 58 C2 Apez C140 Ex 40v 7 Z agog LRN 2 ov pus 0 YTS ee 5 SAnS 8 4401 4401 388 DV S GAB8 9 7 ST 2 ras 8 8n 7 Z E y gaT ZL 92 za als 0Y ZZ 13538 oa A WES row e m g G 0402 hx sae LL 1x3 ee ge SA ix 32 EI uv estos en 19 88 Sx1 2 SXI 001 0062 S8 SKJ SSA 1S19 5x3 28 SX 01 0 152 Bo 6215 TTL Z ann 96 So J ossa 00Na dg 5 amol 822 T 2 a 28 D C iHd gg d ivxa se L va EUR EN OSL Rn E sa cgo I KS jy SE a 350 ONO 03035 1 Ae a F Lo 0334 OVX 5b 2 oa am d UM Ovx l sE H C T d E 00 730 0519 10380 OAM AST NEZ B HH aa A LS LONIL oge B E 2113 03u0 0000 P625 WM AG 0E 3 6N8 Bo 7969 9 CLC z se bly ZINN os Azz EI EE 07 iiss Se BV INOL LNI ui a8 S S 3 aE qa cine J di o 09 ddA 91y Nop LINN a ZZ T E ZL 6 S Bane d Y WI GIy ec viv XQvSn8 oy o EE N IY 57 viy bly Bey ciy RSD AM AG 122 07 ENG 9 Z gt CLY ev Z KLY oly 7 CLY m ag uv ER av iv v v L tiv 13538og M e ov 2 N uv Oly uv Iv oly 1TH D 22 iz G2 09 9 6Y OLY 6Y e 01V Ov SJ 60v liVM jo K Sd co Sv te N eov av 216 sov eov T12 2 sov e dm a6
35. 7 2 The mount assembly serves to provide a fixed reference platform for the photometer with respect to the plate carrier assembly To adjust this position loosen the two 8 machine screws at the rear of the photometer and position the photometer as necessary Avoid making large adjustments The photometer mount assembly should only be adjusted if precise alignment of the plate carrier with respect to the photometer cannot be achieved by displacing the carrier along the X and Y axis For alignment with Plate Carrier travel see Alignment Photometer and Alignment Plate Carrier to complete photometer placement 4 7 Filter Wheel 4 7 1 Filter Label The filter label located on the lamp bracket describes the specific filter wheel configuration for your particular instrument Refer to Figure 4 7 1b Filter wheel position is the physical placement of the filter on the wheel The filter wheel position numbers are shown in Figure 4 7 1a Note the position of the Index hole and the Home hole 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 76 Rev B Filter Position Rotation Index Home Hole Hole Figure 4 7 la Filter Wheel Postions Filter Wheel Part 996040 Position Filt
36. 9 L 60 6n Z8d 90 tv Mz HW ST 1 D HHM 1031N02 xmn C oren tad sq 8 INS Q zin wen oad SQ v ERBEN 9NILVJH 31V1d 12d OF Nia Fg CO344 AZt 03H21IMS 93d ca i ONILV3H YAHAYA Gad ea F1 2 1NS 3 n 3SN3dSIQ QV3H HSVM pod zaz i HS z Y 831N39 A FLV ld od za i OREN TN 3A0H Qv3H HSVM Zod ulg Lsi 2M Mu se DS SIE MI 13d ta 4800 3do01 a NY 3 Zn 09s USE oq 089 622 vc JAIWA 3auflsS34d LNd ESAE vVEOBZNTN dd W n2vA gyd Iv ES NMOQ QvY3H HSYM Gyd oy 8 e z MW gi9 GS df GV3H HSVM PS 6 Y ENU y zin AIYE iliV ld EYd ERI idd 1NON3 31Vd yd LAS Teer VERSEI yeoaZzn1n 1H9iN 319 Td Wd uM ose a uM Ww z ge z IREZ 13431 31V ld 09 J loz 2 vN3 3 zin Ln INON E ras HSV YLOBZNIN re G RI e ol 6L JWOH LNNOD nee AMG lt ee Pv ea X 11V ld A 31Vd A I ar 3Ly9 EIS FH 100 sio ZINJ Ymd m amo EH za E 20H LNNOD Pane 4290 ony or ivo ga 1g A 31VYld X Jivid RI a ZNY Yl2HvL Og vate sa MH l L EPE gM e oF SL i d p INAO L E ca 8i HSVM OL 2 za 8 1N3N 23 8 a 4 z B Y AZZ 8 ta 2d Per id E g j4nio za LL 29 E ea s A dE STIOHRL Y un V CNM TlOHTL a 5 QNnON9 3Wv33 Did mw ah X oT Did px c dede 2099402 01 annoad 7711910 LAB or 8 9a t per ES Y CiNH jiNI SNE uv E yr 40 L Ge Aldd S 1104 G v AZZ any ay n O cu 15 po es E za 3i g A 39vd140 3AVN TWNIIS __ gt 14 030 ea qno v sn Y oO GNNOYD 901vNY A x r9 asa am 2 ZNN pouri 031 BIHOMd ATSS34dX3 5 o MW e d SI NOILVOIld Q
37. AN CATE AN INSTRUMENT PROBLEM DO NOT RECALIBRATE ANYTHING WITHOUT CONSIDERING ALL OTHER ALTERNA TIVES 5 1 Setup See Alignment section of this manual 5 2 Photometer If you feel that the photometer needs calibrating call the manufacturer 5 3 External Sensor There is an external sensor External Temp Probe located on the electronics rack to the front right side Plug in the 37 C Reference comes in distributor pack In Telix mode send a STAT command then see if Ext in the status window reports 37 C 0 2 C If not adjust the external temp pot Daugh ter Board R23 and repeat See caution at the top of the section 5 4 Plate Carrier Dispense 200ul water in all wells Place a plate of strips in the metal plate insert in the plate carrier and plug thermistor probe comes with distributor pack in the External Probe Sensor jack Place ther mistor probe in well at the center of the plate in center of fluid in the well tape down Close all lids and covers and let equilibrate Type STAT Compare Ext with Plt plate Measurements should be within 0 2 C If not adjust plate temp pot Daughter R28 and repeat See caution at the top of the section 5 5 Coil Block Plug thermistor probe comes with distributor pack in External Probe Sensor jack Insert thermistor in the hole front and center of the block Compare Ext with Coil Measurements should be within 37 C 0 2 C If not adjust coil temperature pot on t
38. B 69 4 4 Electronics Rack 4 4 1 AC Wiring Layout See Block Diagram in Appendix C PCBs Relay Power Power PCA Supply 1 Supply 2 AC Assembly DC Junction PCA Figure 4 4 1 Electronics Rack Rear 4 4 2 Board Replacement Each of the primary circuit boards is mounted to the top of the electronics rack with three 4 Phillips head screws and internal tooth lock washers To remove a board first unplug all of the cables attached to it being careful not to bend any of the pins If removing the Daughter board gently pull the tubing from the pressure and vacuum sensors or use a small flat bladed screwdriver to push the tubing off of the sensor Then remove all three screws If removing the Coprocessor or Daughter board gently pull the board horizontally away from the bus interconnect the right angle headers at the edge of the boards See Electronics Rack figure 1 3 11 Follow the reverse procedure to install a new board First insert the three screws through washers then reconnect all of the cables A diagram of the cables to each board is provided on the inside of the top cover as well as in this manual If any of the other circuit boards should need to be replaced the procedure is similar Each board is mounted with two or three screws each with a lock washer Be sure to note where each cable plugs into the board and also note the orientation Diagrams of each board are provided in this manual 4 4 3 EPROM Replacement A firmware
39. BOARD a CONTROL CONTRO Main PCB 995310 WOLOM HIND 111 Oldo PCB Probe Z Mover 995313 PCB Rack Junction 995311 Br PCB Opto PCB Encoder Reader 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 105 sr Sim i Sd A a OOG oys u22 vis uu PCB Photometer 995321 PCB LED 995336 PCB Photometer LED 995323 PCB Lamp 995322 B ng 1847850 o Ki PCB Photometer Junction 995324 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 106 Rev B AWARENESS TECHNOLOGY ap3 1 eo RNS e 2 74uC00 Shame J d c20 P e iS TUL Oe ed Dem S H 3 Ld 2 Ear D x Y fang m x G Z E t 0 a E S lt S Ka l Ni 2 a ja tH i H4 ETIN SHOSN3S AlddfiS 43M0d DC Junction 995333 JXEEXT PU AT STA HEAT Plate Mover Junction 995331 Relay Junction Board 995334 2900 Series Service Manual 1999 Awareness Techno
40. Clean and Dry 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 5 1 2 4 Safety Terms and Symbols Terms in This Manual These terms may appear in this manual Warning Warning statements identify conditions or practices that could result in injury or loss of life Caution Caution statements identify conditions or practices that could result in damage to this product or other property Terms On the Product These terms may appear on the product DANGER indicates an injury immediately accessible as you read the marking WARNING indicates an injury hazard not immediately accessible as you read the marking CAUTION indicates a hazard to property including the product Symbols on the Product These symbols may appear on the product A A va WARNING Protective Ground CAUTION BIOHAZARD Risk of Shock Earth Terminal Refer To Manual Risk of Infection FUSE For continued protection against risk of fire replace only with fuse of L the specified type and current ratings Disconnect equipment from supply before replacing fuse DANGER DANGER PINCH POINTS SHARP POINTS AND MOV ING PARTS Mechanisms may operate without warning 2900 Series Service Manu
41. H 3 mp o reru x e gt Z Laopo J o bow N bj ce sp e s 9 o e 9 199 v 8 b ej e al lt l eal we ol al mox gt oj gt R ier m dE S Sle l axla XS oj Gl l o mo gt G Ql Oo gt l SES mmo We zo zo rM T e ad ex ka wW ox ox 2 a smet f a 5 2 gt ipse n e gt 9 2 H3 L om lia Sef SOM Q alju Yow a ege Lie o o o Or o FI O Su o lo end s lo E zi o S Sl ow t X ca n t5 gt B A gt a o bt NN e a t 2 _ l S m Or S Rl E S o E N n3 e wo D lt Elo ri e GIZ e OL amp ef anj SIS T a ZNu Z T E Wann 4 lt S st S 200 jz VV ONS Zz XOL e V LNS cd e ay HE e gt N e mj N z BERE tC D a z3 5 5 T l gt lt L ape es SZ Oa gt 2 ud Z z x gt C E 2 4 a af of l e of A RES m Qa LJ 2 aL e x lz e o ul Eo un CD fou A z W e lis id E w x 58 az E Bs gx x Ps a o ZI Z Lud og zz TE ox S 19 II O po SEON lt L Co TO m 129 ES xu N Ex Tdi 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 143 Rev B 3 Probe Sense Heater Control PCB 1 of 1
42. I A 994028 137140 994011 Complete Bottle and External Set for Washer System 187104 Prime Bottle 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 98 Rev B 994113 Sample Rack other styles available 994115 Large Reagent Rack other styles avail able 994111 Reagent Rack Sq other styles available 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 99 105161 Pump 990113 Plate Cover 997420 8 Way Wash Head 990101 Aerosol Shield 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services soorA1os Jredoz pue ooueuojureui juoumusur ournoi SurprAo4d jo o
43. N03 God 100 viva 435 0 O05 vod 32015 191835 l 125 od JAVIS 13534 OTS tae AL zd 434339 SZ 134 U 03801145 c TI901 31 024 40 ADY Z HOH 01879 LNd gq 1NOH3 Z XOva gaH 9vd sa ADVB ADVA S 8t EE 70 1NOHJ XOVE OT Hatet O84 tya CU NAOQ 7809 gt Nid OF fyd za df 380ud Oman Zy d id LHA 3808d 2 Bud Yd oa 1431 3808d C ad H ova n njo t z Leh 2 LR 3 fe S8 3 o HN oa L 10 EEN i ERAN D EZA Fa EEN D EA 90 z7 L0 010 v5c8 5 w tx INNOD Z x2vu e o s os o INNOD 1 2va EB EEND A GD 1NnO2 Z 38038 oO ETD m S c Os 2 Z 2 010 2 0 0 80 1 3SN3S 29099 SN 2S0 d 3l 02 0 9n 8etS lez 100 LN 80v zof7 8H soa Sv E zov 90 Tr 99 SY 90v sdl too ry f Sov raf zo 00 ty j rov caf zo coo v eov zg 20 o I f zov 1af 000 ov Jv od T a ON ooy C Ter 00 v 11 010 2070 rezeg LQ 0 c cole T0 Z3iv9 TO 7 e z1no cot __ z 12 zo qJ 10 102 00 131v9 00 f uno PER 031v5 Dino 0312 ain dOSS3400d DOZ Z OL 0 153 431n u0 RUE Jd OL 0191935 DY 59 f 10350 cM AST 3CCOEN A LS LONI LIC Ee T 3 0340 OvAj g WM S MEZ AEN H bly ZINC SKJ Biv 1fi01 NK Uv D1NIIC lt OINI qay Ang CN giu eq GLY sie SSU tiv wavsng AZT YENA NCE nyy 4 civ Res Civ AY U ee uy uv EH j oy oy Y 60v EE 80v soy H Lov Lov C coy AZZ sos f H Sov JENA Soy T TOY T r SQ E vOv Rs co
44. Opto With Resistor esse eee eee 995317 Firmware EPROM Coprocessor please provide serial number 163067 Cop EPROM Main please provide serial number 163067 Main Racks Rack Reagent Lage 52 epo oM er onte tete a 994115 Rack Reagent Square 2 Sys cit secari tee d der eie rd as 994111 Rack Reagent 5 or more ordered at once 994115 Reagent Bottles 12 per box 5 netten 157409 RACK SAMI IG do opuesto ceo El onere WENNS NER NERONE odas hd 994113 Rack Sample 5 or more ordered at once 994113 Sample Tubes and Caps iz csse te ete Act oo istae is 157333 157335 Custom Racks specify requirements sess Call 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 96 Rev B Description Part No Consumables Blanking Solution 30ml see 157561 Plate Washing Solution Kit 3er t reciente teg 157562 Plate Rinse Solution 100ml esee 157563 PNP Check Set sucesivos sso re Te or Geiist 157560 SIPS BOX uoce cct ctos orci EEE ET aba eoa ATRE 157202 SETS R e POM ETERNA 157201 hjtteidicir MOM 157203 Chassis light bulbs set of 2 adeed
45. P bog i l l x oa Z sl 9p rer S 3 q S a an 8i 2 olF 9 el 8 Iu 1 BUEK O A e ap TSS l m MS Fu ous o 6 Y D used een I XT ART 9L ENT T T s CAU xm tO NDN 7 G 2 z B YL O E 6 X IIe ei au syl O f7 TA OND SVD r ot 518 n JV lax jsa C lg 2uc C Ts cid n ol QM 9t qv O s amp SI3 L 8 Do a OSID gt 5 Qu O 0191935 00 310 Y ogiz Ol O r v lt 1 OXI XI e 10 xi O 1 6 za xu S ze a Dota nS 2 Ct ca 020 i malt aet up ae RE ea saa jo ses 9 MIDI S2 z SH Vn Orz aro X 0 T3NNVHO 191035 zita 2H eta NL 3l S E avos 17 7 mo 2 31H9nvQ OL PON ens 62 A 39v Ju 3INI 9 C Z Q3il lhOHd AISSIYdX 4 S T SI NOiLYOldnd Q3ZlNOHinvYNn Q E L da S YOSSIIOUdOD 006c GO0Z 006 C e En e a 32V JM31NI A90 TONHOJL SSJ3NJ3JNVMV 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services
46. Photometer Wash probe tip vvvv volume in uL 2000 2 0mL if vvvv is not specified the default is used Specifies the default probe flush volume See PARM and WPRB Initialize the syringe pumps x number of times Prime the syringe pumps n number of times to prime Scale factor for small syringe ie 1000 gt multiple specified volume by 1 000 Aspirate into syringe vvvv volume in uL large or small chosen automatically x syringe speed Dispense from the syringe vvvv volume in uL x syringe speed Make immediate air pocket vvvv volume in uL x syringe speed Set air pocket size xxxx volume x syringe speed This air pocket will be added automatically after each wash probe 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B bL TS ICABS ISFAC ILPON LOFF RFLT RROWAnnpdnB IRWELxnnpdnB IVWELxnn IRAIR IBLNKxnn ISBLK 3 1 20 Probe Macros IGOWLxnn IGOWDxnnvvvvSs IPLVLxxxx WELZpppp IMAXZxxxx IGOR Inn IGOR2nn IGRIAnnvvvvSs IGRIDnnvvvvSs IGR2AnnvvvvSs IGR2DnnvvvvSs 51 Display the available wavelengths Set the absorbance calibration factor Show the absorbance calibration factor Turn the lamps on Tur
47. Q E t LT Nag YOLOW car Zs MET ah Z 380Nd NIYA WOMJ 91 0089 tO 7 Aart 22 eos Se 1 2 F 19 SA Ey Guvog NLor Z 1804d 1 1 02 LU0IH09d 115579957 SI NOILVOITdnO Q3Zl3OH IQ VN Q3VO8 NI1OP Z 3808d 3006 A901O0NHO3I SS3NJHVMV 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 3 Rev E LED Photometer Lamp Photometer LED eg 2 ER 184765E o JCTN 184 761 2900 200E FN SPEED NC tSd ape JH ups E B A J2 F LE J22 2900 Series Service Manual 119 Photometer Photometer Junction Coprocessor 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory Oauthorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 3 120 Coprocessor PCB 1 of 4 VSS28 Lad iV g 98d ov 68d rad S3 cad 13938 Zad BM 18d Qu 084 Lod 99d 62d vod 63d Zod 19d 02d 0 weve gales gyd sa Eis 6 OS
48. QIZIXOHLNYNA G 9 S 9 5 L CdVOG ASLHONVG 300 006c OL 3 2 INu A Y S3231A3Qq Sng A9O0IlONHOdL SSJN3MVMY Ss 5 S z 5 Q E gt 5 on n 5 rA 5 on e e d for use 1s restricte is manual h iding routine instrument maintenance an ion given int d Informat 1bite ictly proh ication 1s str 1999 Awareness Technology Inc Unauthorized dupl 1r Services i d repa by factory Oauthorized personnel and is to be used for the sole purpose of prov Rev B 3 Daughter PCB 2 fo 5 128 INOLY FULTS NL i22 10 Meal silk T 022 10 HR dy aes F PES vZ2 Jr ezo Le t3 o e F UH aNov QNS 3WOH A 31v d z NO AZI 087 Z lt a Fy JAVA 3HISS3Nd n 3WOH X 3iVld jSNIH QV3H HSVAM dSId Qv3H HSVAM 30H GVH HSVM E AWWA LSNVHXS AL CCIOHTL ON 15dQ A14 S aig 098 031 01 l I Z501 JAZIMS p v in 49 Nez 29 a Y Q3LIQIHONd AT1SS34dX1 S St NOILY 21T1dn0 032790H10vNf Q4VO8 Md3iHOnvGa 300 006c AJddNS Samo A90 TONHOSL SSJN3S3VMV 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument ma
49. S Sl 3 el xl Z j ot l Gl AISI l Ol Ci of Of a gt of gt Ol Gl ojojoj gt l OI ha te C les fea x ac fal 47 lo co Z 2 ZZ z 2 z z n lr e um e Zl om Too lu ut ia eo st 4 Sw o Zz ne a E z a oa E e G bid res ca ivy Lu r un Q l ow L n fon 2 n z E 301 azina gt o 2 Wz x X01 MINY C p m 2 z 301 azina o z 301 VANS C RACK JUNCTION BOARD QuvO8 NIVN WON NOS88RJ Nid Fi LY PROHIBITED UNAUTHORIZED DUPLICATION IS XERE E 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory Oauthorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 142 Rev B 3 Probe X Junction PCB 1 of 1 2900 Series Service Manual Or EE a o2 a am XL T oc mm O a KOS En ke zz a awT a es amp XS aS on m E o ec eM D SA erseoooo Z 7 a wj vob ow a
50. S sa va ziv tiL q 1N002 Z xv 3H Z1N0 ca za m Za ZL LE PA on Bia 10 N m Deseo c 131v9 oa 1NnO2 L ova 3H 1100 g 318 75 eon E TIER ES ovo ISE fan 1Nn02 Z 380Nd 0 RH 100 HM M X 928d DERE e a aaa CE Gn S gt rd E v9z9 7 uv ov ey avit 80 1 LY e 10 1 9v t 90 1 Sve 50 1 Adee v0 1 v 0 l cvg z0 1 Ly LE 10 1 ovra en 1 010 jSN3S 79097 280 dil 109 ONS 75 OND gt 9n E 400 dNSv gclStpz ar EI Ep QNSW gt S es ES e 9 99 GA 829 3 ra vzo 10v 882 sajoy bununow 93d C 9 t 50V zh a SOV ie LA YL EDY 04 20A Hg ZEUTE s TV IX S52 93i Sxl 00 7 01 BY LS TEL z ISSA 1S12 5X3 0 199 L i LL 0SSA OUN1I o 4 3 223 RE z E an deco f ve LVXL aginia so 5e IHd LY X Hivigds ian z asuy in 0S1 SX uoi 0026 aE 790 D3un OVXL C WM doo AM OvXu amp T 15 09 RCS HS d 10340 oeg VWN AS to221 N8 19 LUN 21 EZ EIE ose ao v VN AH 9 030 0932082 3 AG AZZJ ENA r BLV Z LNIIOS SE aL ino tres ue 4Y OLN Y Te IY aly E DD H riv xovs geg oczv cNu tiv yiN alU USING AN AS ely uv CZ ev oly 1 ev Ow uv ZY uv 1353406 SH M eve ov my 25 oiv E 60v 8v M 60v oiv H 60v S Loa nu 80v soyt 20v PM zay H sna gv 10y soy SH 0v gt say 2H soa Sy 90v L0N 90v
51. TOM SCJN ONISN3S 7 NILYJH 31V ld 90 10NH23I SS3NJ3uVMY 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory Oauthorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 3 154 Daughter PCB 5 of 5 lt HXld 9S1 V1N Q4vVO8 NOILONAr H3AON ilv d Ol 33MOd 3NIM C QN9 7 ae 3 1N2 AIMS j 00S 104 YOH L 9 CT 0i T use 8t i 3 61n zr 01 3 LNU LOHPL C Ig Z n 8 9NN S y QN9 3 1zn DES S7 INS tLOHY L L E r 0051v4 viOHv S i Cox i E S TRU E 4 12n 0i Q ZNY Ae JSN3S 1431 SE 11d PM Y c 01 3SN3S LHII xd LP mw INA0D X ALVId 6 Er 1331 31v1d 8i ef 1H9I4 31V Id PIT XOv8 31v ld zier ANOSJ JlYld The 0i n INNOD A 3LVI1d gi er JSN3S NOMI u ef M31N33 X ild oz er 331N39 A lld T Z ANd E 3 64N ae rd OSTV 33S aug NOILONDI any one ae ak H3AOM 319149 Ol ca A zo A S f sich NOBGIH YIM 37 SURE ci er 00S Tre H LNM z ATZ xp d i cry va l Q izf T Ke nome po i84 WTA z ee 8 6 G S QILIAIHOYJ A1 S3udX3 ra Y SI NOHLVOINIGNG G3ZINOHLAYNN Y 8NH 01 is EE 09909 N31H9nv Q00
52. Waste Sensor Black pa Waste Black Connections feel apa Rinse Rinse Green A Sensor Green Wash Yellow N Wash Vacuum Blue ama m ellow Pressure Red S SE x E Figure 1 3 3 Right Side Panel Showing Bottle Set Connections Power Switch rar suy Power Inlet External Protective Reset Grounding Terminal Serial Port Switch Figure 1 3 4 Rear Panel 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 9 Plate X Mover 9 e O ike Undercarriage Y Index Sensor Base Is Not Shown X Home Sensor Drive Bg D X Home Flag X Index X Count Renae Sensor 6 cM Sensor Y Home Sensor Figure 1 3 5 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 10 Rev B Plate Y Mover Opto Wheel Drive Screw Wash Trough Shuttle Plate Insert Figure 1 3 6 2900 Serie
53. X 19094 gS HXdl El 9 8 5Nu o cNa 4 910 E veogzNn pee TIOHYL gMr mza ze p Hj y 9 80 Q N3 9 910 y We se 1 c Tra ef G T g We 8 v NN x AL x oun S LINN YZZ SNY ee E YC09ZNTD SOL d x Aet HZdl 4902p oH Q CHXd1 9 l rw NOILO3130 NOILISOd a Of ET 9 E BE Q3LIGIHOYd AT553HdX1 ta Or HET Wor G Si NOILYIIGNG Q3Zlu0H1nvNQ NL X qua O31 01 zn gm z QHVOS NIVN 0062 1001 0062 g 82n Z amp 49010NH231 SS3N3MJVMVY 2 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 3 139 Main PCB 4 of 5 CSV RCK2 gt p3 wl Sl zl x Zu z wll 5 olo Pi w 0 Ql z cela S ajz z i m ol Gl S G Pics wj Wn gt Ww Nj u K L z x x x x a Zz 2 l ojo j Q Uja o wj a A aja aj wl l wl a Cl alaju Y eo B UY 08 NOMINA YY 9 01 8109 73H LXC 5 LY PROHIBITED is UNAUTHORIZED DUPLICATION IS EXPRE 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory Oauthorized personnel and is to be used for the sole purpose of providing routine instr
54. a nylon belt and nylon pul leys The motor is dedicated to X motion of the probe Probe X has a two phased encoder wheel which creates pulses when passing between a reader providing tachometer pulses to the microproces sor at the NMI input and PB4 input at 8255 U9 The one phase of the index pulley is used by the software to determine direction and accurately track the probe s position The probe X junction board contains some jumpers that should not be adjusted Another phototransistor positioned toward the right side of the probe X movement is used to verify and if necessary reset the probe count addition ally Another phototransistor indicates the home position to the microprocessor LED D1 on the Main 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 34 Rev B board provides visual feedback to the service technician of the tach pulses and home positions The Probe X Junction PCB holds the motor driver The main PCB holds the limit logic and connects to the Probe X Junction PCB via a 10 pin ribbon cable and power Probe Z A bidirectional DC motor under microprocessor control turns a 1 4 20 machined brass lead screw via neoprene belt and nylon pulley The motor is dedicated to the vertica
55. ans L Sau Z uw UI i ELE ZL c INOZ vi 5 ziese Siv Ea i 366384 Is iu iid 154 LE i AG i i 8310410942404 i apiz i U S SINIO f SINIO jis 824 NIYH EN L 1 aM 43LHON WO ES isal i IW sna zu H aiaa n i 904133 3172 082 dod 40533203405 TT H i 33104120308 204 L i apiz H U H U M P E siLa 834 MO LOU numm i wnd 5001 HIENO M2L24D4DH4 Sod MLY SIRU reo n 13638 3201406935 13431 2 Bid Bd 196 434064 31 1d HALI D4DH4 WENI DAWA IP TIIM HALT 3011 S0GM25 X 3994 X 33084 134084 104 iz i3 dto THEA qana MW THPT y T OY IH SORU La m m m m m m m m m m m www m m m www www m m m m m m m m m m m m m m m m m m m m m m HYH 32018 Lave lana w fibojoug28 ES BURN 449 210 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 104 Rev B Appendix D PCB Layouts L 2900 160 H D g AVA Waste 7474585988 e OD Gress SUS Tn HT iren a v a v vj MM Lo ue R i SLOTS oe e 9 9 Ol zi an B YSS RR SS E ES EE SPE ea tr se 63 e ere Ss S La I EE b ec boson irl a MEM i TEA AWA ESS TEOINOL ge dl Par E ee SS WTERFACE
56. core The fuses must be replaced by a 1 1 4 inch glass cartridge fuse commonly known as 3AG or size 0 The nominal dimensions are 1 25 X 25 inches 32 X 6 3 mm The fuses must be approved to UL and CSA standards or approved for the country of use Use only the recommended fuse Do not substitute any other rating Replace the AC cover Also check fuses on power supply boards Fuse 3AG 1 1 2 Amp 6 3mm X 32mm T Slow Blow Follow the reverse of the procedure above to replace the AC panel 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 71 Power supply fuse replacement AN WARNING Set the power switch to OFF 0 position before perform ing any service work on instrument Unplug the instrument and remove the four screws that attach the back panel to the unit Each of the two power supplies contains a fuse on the AC mains CAUTION The two power supplies do NOT use the same types of fuses make sure to install only the proper fuses The first power supply larger of the two uses a Size 0 or 3AG 32mm X 6 3mm 5 amp 250V quick blow the second smaller power supply board uses a Size 5mm X 20mm 2 amp 250V quick blow 2900 Series Service Manual 1999 Awareness Tech
57. heated but uses a self regulating circuit rather than being under software control The thermistor inside the probe is fed into the comparator made up primarily of U29A on the probe sense board The circuit is calibrated via the trimpot R20 The output of this comparator switches one of the L293B gates on the probe Z junction board This driver provides power to the 2 32ohm 1 8 watt resistors inside the probe Heating is indicated by the LED DS on probe sense board The firm ware is able to turn off the coil temperature control by disabling the L293B chip U27 Probe tempera 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 61 ture control is on when the coil temperature control is on See the commands COON and COOF 3 12 Carrier Temperature Control ChemWell contains an auxiliary temperature control channel labeled on the schematic as Carrier This is not presently used 3 13 External Temperature Probe ChemWell also contains a facility for using an auxiliary temperature probe To use this plug the YSI style probe issued to each distributor into the jack on the front of the electronics rack then place the probe in the position to be measured Use the command PTON to turn
58. in uL IRWSHnnvvvx Wash row nn vvv vol in uL x 2 number of cycles WASH Set current bottle to Wash Performs automatic prime RINS Set current bottle to Rinse Performs automatic prime IBOTT Show current bottle setting wash or rinse IBCHK Check bottles levels Will report if there is an error ICASP Check wash head aspiration must change 0 5 open versus closed system 3 1 22 Service Functions IOFF Disable timed homing IDON Enable timed homing IRSET Complete reset of the instrument 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 53 3 2 Error Messages Error messages are displayed when the instrument fails to operate correctly They are intended to help the operator locate the problem If error messages appear frequently a hardware problem is usually indicated Errors reported from Main processor go up to 499 001 002 003 004 005 006 007 008 009 Unknown command Check command for spelling and validity Parameter exceeds allowed range Too few or wrong parameter s Command has not been implemented Fluid has not been detected in programmed range Probe Z axis is jammed o
59. lead screw pulley can become worn or loosen with age Remove the four flat head screws at each corner of the plate mount Lift the plate mounting upward 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 88 Rev B and forward to clear the probe arm Look at the bottom of the mechanism assembly Remove the old belt by carefully lifting one side off the probe motor pulley Remove the belt from the other pulley Do not bend the optical sensors mounted on the edge of the mechanism PCB Install the new belt first to the probe lead screw pulley then to the probe motor pulley Do not bend the optical sensors mounted on the mechanism PCB Do not twist the belt Turn the probe motor shaft several revolutions to ensure that the belt is seated without twisting Install the mechanism assembly and replace the four nuts 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 89 5 0 Calibration CAUTION ANY INSTABILITY OF CALIBRATION COULD INDI
60. neoprene belts and nylon pulleys One motor is dedicated to Y motion of the rack 1 re agent the other to the Y motion of the rack 2 sample Attached to the lead screw is an encoder wheel which has ten holes that create pulses when passing between an IR LED and a phototransistor creating tachometer pulses provided to microprocessor These tachometer pulses are provided to the micropro cessor at the CLK1 input and CLK2 input at 8254 U5 Microswitches positioned at extremes of rack movements disable the motor drivers U22 via NAND gates U18 when the travel limits are reached Two switches additionally indicate the home positions to the microprocessor LEDs D1 and D2 pro vide visual feedback to the service technician of the tach pulses and home positions The Rack Junc tion PCB holds the motor drivers The index pulse buffers and limit logic are on the Main PCB The rack junction connects to Main via 10 pin ribbon cable and two wire power cable Plate Two bidirectional DC motors under microprocessor control turn 3 8 16 machined stainless steel lead screws via a 55 tooth 40 DP timing belt and two 27 tooth 40 DP timing pulleys One motor is dedicated to X motion of the plate carrier the other to the Y motion of the plate carrier Each drive pulley attached to the motor has an encoder wheel with ten holes which create pulses when passing between an IR LED and a phototransistor providing tachometer pulses to the microprocessor at the CLK1 input and C
61. purpose of providing routine instrument maintenance and repair services 78 Rev B O O PLEA G i Q E i 9 4 9 QO a Remove screws holding pho b Remove screws holding pho tometer cover tometer PCB Shaft Filter Wheel Belt d Remove filter with c Remove filter wheel belt and blunt object filter wheel Rotation is clock wise One or two nylon washers as disassembled BN One nylon washer e Install neutral density filters dot screens and interference filters f Assemble washers and filter wheel to filter wheel shaft Figure 4 7 2b Photometer Filter Change 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 79 Make notes of orientation of parts and their positions Remove the wheel Remove the shaft taking care not to misplace the nylon washers Step 5 Referring to Figure 74 7 1 Locate the filter to be removed The filters are fixed by use of a retaining ring Use a pointed object to get un
62. temperatures vacuum pressure status of bottles IREVS Report the software revisions IPARM Display the current parameters PARMnapppp Edit a parameter n par a par label xyz ect pppp new par value 3 1 11 Plate X Y Control IPLXH Move plate X axis to home IPLYH Move plate Y axis to home IPLTH Move both plate X amp Y to home IPLXMxxxx Move plate X axis to coordinate xxxx IPLYMyyyy Move plate Y axis to coordinate yyyy IPLTMxxxxyyyy Move plate X amp Y to coordinates YREF Reference the plate Y axis again the indexing sensor 3 1 12 Mixing IMXONtttt Turn on plate mixer tttt time in seconds IMXOF Turn off mixer IMSPDssss Set mix speed duty cycle ssss duty 0030 is the default A larger number results in a slower mix speed 3 1 13 Wash Head Control IWSHH Move wash head to home INSHMzzzz Move wash head to coordinate zzzz 3 1 14 Probe X Z Control IPRXH Move probe X axis to home IPRZH Move probe Z axis to home IPRXMxxxx Move probe X to coordinate xxxx IPRZMZZzz Move probe Z to coordinate zzzz IPRBMxxxxzzz Move probe X amp Z to coordinates IPFFR Find fluid level on rack sense liquid level IPARK Move probe to waste area of wash cup IPSENxxxx Set fluid sensitivity xxxx sensitivity level IPCNT Show probe counts 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authoriz
63. the ChemWell software into com mands of the following form This allows the software to automatically accommodate the different racks that can be loaded into the instrument IGORKnyyyyxxxx Move probe to rack n rack yyyy rack pos xxxx probe X pos IGRKAnyyyyxxxxzzzzvvvvSsaaaa Goto rack and asp n rack yyyy rack pos xxxx probe IGRKDnyyyyxxxxzzzzvvvvSs X pos Zzzz probe dip vvvv volume in mL s speed 0 9 aaaa air pocket in uL Goto rack and disp n rack yyyy rack pos xxxx probe X pos Zzzz probe dip vvvv volume in mL s speed 0 9 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 52 Rev B 3 1 21 Washer Functions IWSETxxxx Set the wash head depth to use when washing xxxx depth WPRI Prime the wash system one time IWDISvvv Dispense v uL from wash head vvv volume per will in ul IRPRI Prime the rinse system one time ASPSsseed Aspirate on the plate ss start strip 1 12 ee end strip 1 12 d D for double IDSPSsseevvv Dispense on the plate ss start strip 1 12 ee end strip 1 12 vvv vol in uL ASDSsseevvv Do an aspirate dispense on plate ss start strip 1 12 ee end strip 1 12 vvv vol
64. the exhaust fan The lamp housing when properly ventilated will remain slightly warm to the touch 4 6 Photometer Assembly Placement 4 6 1 Adjust Photometer Lamp Alignment To align a lamp make sure the ChemWell is powered on Move the plate carrier bed 2 to the right by giving a PLXM0200 command in the telix mode window of the control software Turn the self homing feature off by issuing a IOFF command If the lamps are off at this point turn them back on by issuing an LPON command Insert a white piece of paper on top of the channel block underneath the aperture block of the lamp bracket You will see four white elliptically shaped spots Adjust the spot of the lamp by raising or lowering the lamp with a pair of needle nose pliers taking care not to short the leads until it is in focus and centered over the channel block hole You may need to slightly rotate the lamp as well Remove the paper and check the filter voltages by executing an RFLT command Repeat the procedure until the voltages are in the acceptable range and replace the lamp cover Refer to figure 4 5 2 4 6 2 Photometer Mount and Adjustment The photometer assembly is retained in a mount assembly by a 4 long 10 32 pin The photometer is designed to be removed by first unscrewing the retaining pin disconnecting the cables from the pho tometer junction board and then sliding the photometer assembly out of the mount and through the right side of the machine see figure 4
65. these additional boards their dedicated roles and their locations Figure 2 5 1 Probe Sensor Heater Control PCB Connections The Probe Sensor and Heater Control PCB controls the fluid sensing and heat control for the coil block and probe This board mounts to the top of the coil block Sense Encoder Wheel Figure 2 5 2 Probe X PCB Connections The probe X board controls the sideways movement of the probe This board is mounted on the left side of the probe X bracket under the electronics rack Control Main Figure 2 5 3 Probe Z PCB Connections The Probe Z board controls the up down motion of the probe This board interfaces with the Probe Sense and Heater Control board located inside the probe housing 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 27 Rack 1 Control Main Figure 2 5 4 Rack Y PCB Connections The Rack Y Mover coordinates the motion of Rack 1 reagent rack and Rack 2 sample rack It is located on the rear of the Rack Mover Assembly Coprocessor Photometer Figure 82 5 5 Photometer Junction PCB Connections The Photometer Junction board is the junction point for the Photometer mechanism The board is located on the Photometer Mo
66. update will consist of one or two EPROMS to be installed in the instrument To access the circuit boards turn off the instrument and lift the top cover The EPROM labeled MAIN goes in the Main board which is the board on the left side of the instrument The EPROM labeled COP goes in the Coprocessor board which is the middle of the three boards The procedure for installing an EPROM is given below and is the same for both EPROMs 1 Locate the EPROM socket and lift the small lever at the end of the socket This frees the EPROM for easy removal and insertion 2 If necessary gently bend the pins of the new EPROM so that the pins are perpendicular to the EPROM Hold the EPROM by the body and bend the pins against a flat surface such as a table to bend 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 70 Rev B all the pins the same amount Do not over bend the pins since they are easy to break if bent too far F X F3 Figure 4 4 3 Bending EPROM 3 Install the EPROM with the notch oriented as shown in the label on the EPROM socket The notch should face toward the left side of the instrument Press the lever down toward the PCB until it locks into place 4 Turn the instrument ba
67. warning sensor 2L waste with full warning sensor IL priming bottle Incubating timing and temperature control EIA mode incubation of each row of 8 is timed separately Chemistry mode each group of 4 wells is timed separately Thermal control plate well 25 C 37 C or ambient probe coil 37 C or ambient Washing Wash head 8 probe automatic prime and rinse Programs create and run user programmable protocols aspirate dispense soak can wash wells for reuse as applicable Reading Optical design reads absorbance in 4 simultaneous channels NIST traceable calibration user selects monochromatic or bichromatic results 8 position Light Source Xenon lamp Filter Wheel 340 405 450 505 545 600 630 700 or custom Interference filters long life hard coat ion assisted deposition 2nm 10nm typical half bandpass Linear range 0 2 to 3 0A Photometric Accuracy 1 of the reading 0 005A from 0 to 1 5A 2 of the reading 0 005A from 1 5 to 3 0A 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B Software Format Operating Systems Min system Recommended system Main menu options Secondary menu options Calculation modes Self monitoring modes QC
68. xu Xe 90v G Z sa 00 y LS Gv 90v Sv PT S S0v 0 o cog Ky pov Sov OZ pov ra oa E E EL oea o 200 zvLE cov rov 34 cov cap va 3 at za 10d Whe cov ov 5 zov zay ca E io H eoa ov S N iov 20 iov iq za D 00 00v iov RU 00v oa BEN io 00v 00v PL tE N oa In 61 001v GRT 2010 C010 12 010 QNnOSJ9 3Av3Hj LL XL x9 1568 ANNOYS TWLI9I0 xs cod a MEE ep 32v 4831NI Z ida xv galt cq 31NI NIVA 0201 XC Z MSN Z HIN2 XZ Saig E Hr Ee Weder Y NIVW EIND XI Zino a Y za NIVA L Idd XO vn za 10 39Vd440 3NVN WNOIS S131135 0 1 sive IE 99 wva 3343 0008 Lino 8 QNR0ON9 901vNY A moud3 4444 0000 1332 0 xNV8 AUOW3A 031v9 7 d318IHOSd A1SS3NdX1 Duns g l SI NOI 920900 QIZIYOHLAYNA oun Q4vVOS8 NIVN 006c 3001 006c S055 3003dO080IN A901O0NHO3I SS3JNd3JVMV 00 Series Service Manual d for use ir services is restricte d repa is manual h iding routine instrument maintenance an ion given int d Informat 1bite ictly proh ication 1s str by factory authorized personnel and is to be used for the sole purpose of prov 1999 Awareness Technology Inc Unauthorized dupl Soze 190 Bn WOH XT m a Si
69. 140210 Heads 5 way wash head tue brotes saeig n R ete drs 997420 Plumbing Complete Bottle Set with Sensor Caps and External Tubing for Washer System Prime Bottle not included 994011 Bottles Bottle plastic 2L w sensor cap assy for Waste 994027 Bottle plastic 2L w sensor cap assy for Wash 994029 Bottle plastic 1L w sensor cap assy for Rinse 994028 BoOttle Prime 9 25 35 86 oett Cte Et ees rs 994040 Bottle plastic 2L w plain cap Waste or Wash 187107 Bottle plastic 2L w plain cap set of 3 187107 x 3 Bottle plastic 1L w plain cap Rinse 187104 Waste Carboy with tubing eee Pumps Pump serial s to 2900 1015 with adapter 105161 Pump starts at s n 2900 1016 sss sese 105161 Syringe Pump Assembly eese 994108 Tubing Tubrtig Eit trite nial 2 5 20 9 o Sats oa ast Poets af persto 0290 flood m 0290 Waste Trough Drain Tube sss ss cce o reet cites 135201 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 95 Des
70. 7 Luer male cap blue 137028 Barb tee 1 8 137130 Luer male 1 8 barb black 137135 Filter hydrophobic 137140 Chassis Striker black 137062 Striker Base 137062 Pressure Pump Bracket Luer male to female white 137010 Luer male cap yellow 137025 Luer male cap green 137026 Luer male cap green 137026 Luer male cap blue 137028 Luer male cap red 137029 Barb Reducer 3 32 to 1 8 137099 Luer female 3 32 barb bulkhead 137102 Coding Ring green 137114 Coding Ring black 137115 Coding Ring yellow 137116 Coding Ring blue 137117 Coding Ring red 137118 Probe X Mover Coupling 1 8 137008 Syringe Pump Luer female to 1 4 28 unf poly 137013 Plug 1 4 28 UNF W 1 4 Hex 137014 Wash Cup Plug 1 4 28 UNF W 1 4 Hex 137014 Washer Luer rotating lock ring red 137011 Luer rotating lock ring blue 13701 Luer male to female white 137010 101 Luer male cap nylon blue 137028 Luer male cap nylon red 137029 Luer male 3 32 barb nylon 137121 Luer male 1 8 barb nylon blue 137128 Wash Head Luer female 10 32 red 137124 Luer female 10 32 blue 137126 Waste Trough Elbow male 3 8 OD 1 4 NPT 137138 Elbow 1 8 27 NPT threaded 7 16 Hex 137145 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providi
71. 80 1 Ly eov 100 Ly 80v 80v LOW 4a H S M s Z 5i 6i C ZZ 3 A AE 40 1 9y Lov 40 900 9v Lov LOY 90v 9q AX ES o 90 8i 8i D iz s2 a3 30 1 ev 30v soy H soa cyte 90v 90v H cov sacs 2 LZ SA ae S0 1 rH yoy soy H roa ry Sov SOV 70v sis GE 24 ao T 8 07 Ky lav rala c 00 ev row rOy EL coy BIS ra 2 gt sc TR 071 eL cov say I i3 zoa zys coy cov SHU zov RIKIN so S 2 i 29 1 ES zov cop 100 YLE Z0 Z0 ZU iov Ld SEN za S 2 5 t0 1 ov 1 L oda ov iov 10v 00v 00 iQ Sd Eee 00 T OF 00v oa it a Oi ane 009 vi LL LEN oq SE L o Nu 6 00 V Rip Bg 4 010 E 5 12 010 4 010 2 010 go QNNOND 3A v33i U ES E NIVA v YLNO xz PZ GNNOSD 19 L 910 a NIVW MIN2 x9 ov T 9SZ8 2 431H90vO Z YLNI XG 4g iQ D 831H90vO BINO xt iy oa 8 78 ATINS LIOA S Y uilH90vO Idd XE Te ed 7 32V 193LN Z idd xz og ra ws 2 s JL NI NIV N aol XI E 9 d Zino d E gt 39vd440 3AVN 1vN9IS d NIV Idd XO 55 90 ZAT Sa ga 19413S 0 1 32 4q Bs a Z a ANNOYS 901VNY A NSN 4444 0008 c9 c7 i lv cort NO3d3 4442 0000 AN g 400 OND 90IYNY 33134010Hd A 0 XNY8 AHOWIA 26 FIN iHd gt LAU 1419 245 c A UNDA an Sia v l Q31iBlHONd A SS3HdX3 E a v USE SI NOILV2Ildnd OIZIYOHLNYNA lt E 7 g 9in 40S81208d00 0066 3006 0066 RS OF Y YOSSAIVOYdOYOIN A9010NHO31 SSANJYVMY Rev B 3 Q4VOB8 NIVA 001 0062 OL 0 153 Coprocessor PCB 2 of 4
72. 9 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 23 2 2 What Main Controls External interface to computer RS 232 Serial Interface Interface to syringe pumps RS 232 Serial Interface Position Detection and control of Probe Z e Probe X e Rack 1 e Rack 2 Probe Coil Heating Probe level Sensing CSI O interface to Coprocessor Probe Com 2 Racks cue Probe LED z g lt t s os h8 Reset 28 comet e 33 35 tz cg 22 L GH 290 100 j H a L AA MAI BOARD 77 L A L L Racks D I Power Y PROSE Probe Z Probe X 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 24 Rev B 2 3 What Coprocessor Controls Photometer Hilter wheel Lamps via control of power supply 2 Bus interface to daughter board Power Supply 2 Power Filter Fan Photom CSI O to 6666666666 6 666666666 ANI E IOT ess ss CAM MERE 2900 2000 uie AWARENESS TECHNOLOGY 2900 Series Service Manual
73. 900 200 The firmware revision will be printed on the EPROM labels The software refers to the Windows program running on the external PC This is the program that interacts with the user and controls the ChemWell Fundamentally this software breaks down all opera 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 30 Rev B tions into a set of commands which the instrument can execute For an explanation of these commands see Troubleshooting Tools The version of the software can be identified by selecting Help About from the ChemWell pull down menu In this dialog you will see a message in the format Version x xx Build yyy The Build Number is the primary means of identifying the software version Also see section 3 1 3 Reports 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 31 2 7 Power Supply Relay Power Power PCA Supply Supply 2 AC Assembly DC Junction PCA Figure 2 7 Back of Electronics Rack
74. A ar 8100 SI NOILYDIIGNG G3ZINOHLAYNN EL EIE dg0Ss3208d02 0067 Q00Z 006c v Rev B 3 Coprocessor PCB 1 of 3 40553208d082IN A901O0NH23l SS3N3JVMV 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory Oauthorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services e SUA c Qy CE veoozwin 26 o lt NVI 3 C Iram gt i 01 9 6 Ls L DL Z si BI E den CERE zo Ja AM BIS o x L l E u L T T EI ui l 919vZ 3 Z Alddns Su m EEG a e 0 7 3 8 L1 Jj3s34 31038 g tY vaseg gS ee azz lo Z nou d Ors M ANE Cad IC Ra C087 2 E G AM CSD vez l E 7 ost sana RT PI N et Has auvog nel C IY S YT x 0 153 an z182 301 0067 01 Otz Sty T ENE S33 O8IZ OL ZUR 0 152 x N QNVOH 9139 er CEN YEOOZNIN 2Sd OL 9343738 Nan Sd 01 L EOOZNTA FDP Jo XE 7 s NS jones vc h cmm RIO io CI3838 aen St las Ta FAN vZ T H RT L di Ma 190 z zz MW uv 11 P a0 ZY 00v QN9 Pd UNS Y L
75. LK2 input at 8254 U16 Phototransistors positioned at extremes of the plate carrier movements disable the motor drivers U7 and U11 via NAND gates U10 and U18 when the travel limits are reached Two of these phototransistors additionally indicate the home positions to the microprocessor LED D1 on the Daughter board provides visual feedback to the service technician of the tach pulses and home posi tions The plate mover junction PCB holds the motor drivers The Daughter PCB holds the index pulse buffers limit logic and connects to the main PCB via a 26 pin ribbon cable and power Addition ally phototransistors generate X and Y axis index pulses to position the plate carrier with regard to the photometer Mixer Shaker Mixing in wells is accomplished by shaking the Plate Carrier Y axis platform The platform is sup ported by 4 flexible natural latex rubber mountings and is attached to the underside of the platform a motor driven counterweight Spinning the counterweight causes the platform to shake on its mountings with proportional intensity Microprocessor control of the shaker motor via U7 on the coprocessor PCB allows for adjusting the single mix shake intensity setting Adjust the mixing using Telix command IMSPDxxxx Adequate mixing should shake 250uL of reagent and sample vigorously but without splashing up Speeds 0030 to 0050 should cover the range Probe X A bidirectional DC motor under microprocessor control pulls a slide via
76. N aNd bg Q OOS Tbe OOS Tr 2 2 G ze E Be za c G c Io aol ow E KS amp Mom o o e y Z 4 L gl s E Y MOSS3200Nd 001 0062 01 KAZ T SeU 0 183 aNn0u5 0 12 Qd TW SH 0812 OL AG Soin 93149319 Sh x01 yEOOZNIN NI 930 09 gr dS a jnozz UN eh EES E Y a lt in id8 ACLt n 2 ZIOHT L EUe PRS BN H I n AZL Az YEOOZNTN 9 LE se 1 i y v cin dero 4310110 OL ud an OZ Z 54 3HIM C xi iva L VANNVHO TwiNaS 08IZ Ol sut Z xu Y QNS lt ACUMS ar 4901 Is gio xis 91592 mue tr plv vas 2 p e PLN n E 6 19 O 9 i Sig o L cd IA usa o cue cias utens v2 aNd c I s E W a 0191935 uas omz oi 13593 l x f pow O qu i 979 PLOHL XL e Ld O i585 O En C9 c a xaj c Nag z XOL a00 n 61n ba oe Q 18 o aoa L lt rassa gt e 680 u31ndMO2 OL p 9 T v v VY Jz z Su TING BE ae 5 SS anp 1 ea 0 13NNYHO 1wiaaS Pit tog H2 R 019 Cle GJLIGIHONd A T1SS3NdX3 e 0 T S NOLYIIING Q3zmHinvNn anor A P eem QuvOS NIVW 006Z 3001 0062 gt i JLN IVid3S S 2s AddhS N3 0 49010NH23L SS3N3NVMV 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory Oauthorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services
77. Rev B 1 1 0 Introduction 1 1 What ChemWell does ChemWell is a computer controlled instrument system capable of automating any or all stages of assay processing that involve these functions fluid handling aspirating and dispensing from 2 uL to 2 5 mL incubating heating to 25 C or 37 C probe coil to 37 C or ambient and reaction plate to 25 C 37 C or ambient mixing reaction plate only strip washing 8 wells simultaneously timing from 1 sec to 24 hours optical reading UV Visible range calculating using numerous preprogrammed equations data storage unlimited capacity and reporting with many options and customization to choose from The system allows you to define and program an unlimited number of customized protocols by selecting displayed menu options from a Microsoft Windows software program This open system can be programmed to perform any of the colorimetric biochemistry assays or EIA assays that can be handled using the volumes temperatures and wavelengths provided It has many possible applica tions in clinical and veterinarian testing environmental testing food and water analysis life science research and may also be used in production processes involving micro volume dispensing dilut ing incubating reading washing and so on ChemWell is a unique combination of an automatic chemistry system and an automated EIA system two instruments in one Reactions occur in standard plastic microwells instead of s
78. S 3NOHL e 7 OF ISSA ENH 1Nn02 dvds zen ama A Nu9 OSL AMi e 7 T un o 940 D AG a 2 oh s jt 3010N cT MB any L MOVY s T QMVO8 NOILONAP 49VM o de e E L l G3LIGIHONd A1SS3HdX3 3 S NOLLVOIIdAG C3ZINOHLAYNA GO 5 gt d GyYVOd NOILONQP HOVE 30062 o Es P eA 49010NHO31 SS3N3JVMV 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory Oauthorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 3 118 Probe Z Junction c uy c A TO C 1996 go x 7 TO LLW i z 2 6N4 S 7 OSL o wins 3 A Z L 9 S INNO 80 60 ENERO ISNIS Rud O1 AITINA __ E TED CT go 318v9 3iuM 8 i OLIW IOI K 8 6N S OSL ON9 l eased z T 7 Wc 8 5 235 5 pus n ERE nolL 1L i r gt audr RG o 8c621 T 81n vt Si saat 5 3 TO On x Dar 5 7 S 1390 5 30H qo On ST alssa noe T ASNas o sa Zen L ve B Lise NIVA WOMJ 8 NO88l3 Nid 0l SE 5s T US bolle m S85 an Y i K 033 o F t
79. S3N3JVMV 900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 113 Rev B 3 Main PCB 4 of 5 ORE aNd FLOUR HE sos 00S TP L gt O AB e s 1 Y 8 810 PEE lt Jc 2 9NH S Ld AST ATZ a g Nu E QN9 L gaoiy ACLMS j OOS TPZ viOHvZ S m S Scd G AZZ Q 9N3 7 AG viz 3SN3S 1NO34 s 3SN3S uv3H 8 7 4 C T3328 1NnOO Z MOVE 6 OT WOVE Z HOVE U lNONJ Z MOVE e wove L AIYA 3 LNOS4 L MOVE Sis 12 ta lt 1308 a INNOD L AIYA EVs N ISNI 0 zl z e sioe haars NJS INOUJ 2 gd JM JSN3S uv3u a E t Le nm 00S TP L t AZZ Y 9N3 ART amp p Q3L1I8IHOMd AT5S3udX3 SI NOIL VOl dnd Q3zigOHinvNn Q4VO08 NIVN 0062 3001 006c 1OMINO2 M2VM A901O0NHOdJI SSJNdJNSVAMV 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory Oauthorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 3 114 C SN3S _ 3d0z LN
80. Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 38 Rev B 2 14 Computer Connections The PC communicates with ChemWell via the serial port on the back of the instrument The connector is a standard 9 pin serial port and the cable from the instrument to the PC is a standard Null Modem Computer DBS Tx Rx GND RTS CTS i Chemwell D59 O M 210 0100100 Cable Null Modem Cable is a cable made with a female 9 pin connect to another female 9 pin connector In this type of cable the RX TX receive and transmit and the CTS RTS lines are crossed The serial communication is at 19 200bps 8 data bits no parity and 1 stop bit Internally the serial port is connected to the Main board 2900 100 The microprocessor on this board is responsible for com munication with the PC and the Coprocessor and for routing commands within the ChemWell 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services
81. Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 64 Rev B 4 0 Service Procedures A WARNING Set the power switch to OFF 0 position before performing any service work on instrument Ext Cover Lift Hood XY Cover Probe Shield Aerosol Shield Left Side Panel Work On Bottles Syringe Pump Washer Rack Y Mover Block Probe Z Mover Probe XZ Mover Probe X Mover Photometer Filter Wheel Lamp Bracket Plate X Mover Plate Y Mover Plate Mover Any Main Board AC Assembly Electronic Rack Valve and Pres Pump Rinse Wash Bleed Pressure Ctrl Waste Trough Wash Cup Dome Lamp Plate Carrier Chassis 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B Right Side Panel Plate Cover Photo Holder Release Pres Remove Bottles 65 Work On Bottles Syringe Pump Washer Rack Y Mover Block Probe Z Mover Probe XZ Mover Probe X Mover Photometer Filter Wheel Lamp Bracket
82. WSSZ8 92d ALS yea Pigs Fak ae ET l 1 E E Ni CROFT ok ues del F 8 3 ase AN E E i L i os Id LA ios a e S i 1931 H HEU 01 NAI3AO10Hd OL oi DZ 3 Q LNM 1 330v3H OSI ZXZ jnro idi AST 1 6 8 1en A3 1 i SAYJd 901VNV SoCs L 8 9 6 o THS g 3 60 9 e 3NOH 1 Z EI 3 j 3 ZOvYNZ gza c 6 6r 10 3 azz i 1 3 T i Lla t vi 6r AL 301 1 QN9vV I 8 ZNY l 8ZN AST l U ZE LBP E i AST 1 I 1 A vIOHYL Y OHY s 1 1 i M INN e eco AN T 6f z N AN 3 gol fs G ES T IND l ACC q 8n 3 8fn y cca MOL U I j OL YLM Z i ar oP ule A TIE ag i IAN i 8 za i amo D oe ere IRP a E Po i AZL Ora NG a TP veo o zi 6f 9907 To YC CH QNOD 1 r7 M EZ TOP a 5941 SL DR 2N02 AM gre 8N02 i Z 9 S 1 E O SNa YNOO O HINA T A ao 00 1 l 2 0 30 1 al SHS E 3 0 80 1 vi 0 v0 I en l 624 7412 99a B 04123 981d v fg vGLZLVOL IMS i MIN M3 Y 80108 agua NLP SC WEOOZNTN wal usus O10Hd O1 3 7 9084 g S33 3N0401 d a H sh v v O3liBMONd A T5SJHdX3 MEUM Bri 62N E WR SI NOIL V2l1dnQ QIZIYOHLNYNA LL 11 v O0ZNTA go YOSSIIONdOD 0066 3006 0066 AN se m H3S 9 d
83. ZIYOHLAYNA n y2 z 5 n 8 sog e YOSSZIONdOD 006Z 000700867 m g AET HPS N dAV e gL38 1 L gt zu 4313NOL0H A9010NHO3I SS3N3SVMV o o m 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory Oauthorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services e GD gt D c YOLON 735HM Pee wad NIE MIA Jo A A PS i TY Der ver I 1 I i OL C 6 i E Y L LL S S 4 OL ror Nogaly i3 6 4 3M fl H 7 NOSEIY 3MIM l L 1 8 Lj yer gir arn 098 NIOT H313A010Hd n o E Y5ILSWOLOHd TSANNVHD F oO L 1 O3llBlHOHd A75S3HUdX3 A SI NOIWYOMdNG CIZIXGHINYNA 5 313M0 Ln 2 GZ L S A901 ee A 10 Ta LNnO2 1112 2N0D 1112 AST PHO QNONY uuoosi 8ZNY Wu one OZNA SLUC 91 S i c vorn val ozy Jas ocd SL0C 91 80In val BL9 jdG 622 S 0 91 SLOC9l zn dnozz A91 SJ jn cc A9l L SC CH val EIU Y dSV2 A YV dSV9 coral 4313 010H4 t948 UY 909 037 OL0Hd 9Z v81l NIIF dAY1 LHO Y T NO SIHL XIj Sd WOMJ ALY 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information g
84. aintenance and repair services 131 Rev B 3 MN S810H Burjyunow 83g 961 VIN 09 Y 09 NOILONAT 92ADN 31V d OL 33MOd 3SJIM C i AZIMS C7 p Z f OOS TPs 2900 Series Service Manual vLOHPL Dis es ZO V 2CNU 3 120 AKT QNS LLKP 3404Y a Nd S wyo Ost za S Y 0rN NOL UNS s is Dr 3SN3S 1431 Er 3SN3S 1H9lN LSF 1Nn02 X 3lVid wyo Ost AWW 6 cr g We T S 1331 31Yld gi cr WYO OGI pee 1H9i 31V ld gy XIVA 3lvld Pe uup Ost Q Z NH g We 1NO3J 31Vd SEE J ZENY Pant e or er INIOO A 3l1Vld CHART and gi cr Ad0Ly 3SN3S 1NOMJ TIOH L H 1N2 Heck 00S 104 6 rd dodi Hi1N3O X Lid den g an aL Y J31N39 A Lld 3 Q 6in ot 8 Z NM T 01 7 C uid IZAN and amp 4 Y het 2 6in 4100 Y S vd OSIY 33S 01 PLOHYZ 9 LNO KES 099 NOILONNF 5 9N4 8 83A0W 11914 OL Ae id MO Ost Kir NOGSIN 3MIM 97 T e rx zv 6 V itNH x ua ci er o OL Z H LNM v AS v ano e Q izn T 404r a Wid vlOHPL 9 1N2 5 ZEE Cun 7 iwe WA d O 2 Son 8 9 C GIS Q3lIBIHONd A1553udX3 5h SONS ess ONY S _NOWVOITdNG Q3ZiNOHinvNn S m aos 09909 331H90nvQ 300 0062 TOYLNOD NOILON 3L1v 1d A90 10NH231 SS3N3SVMY 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory Oauthorized personnel and is to be used for the sole purpose of p
85. al 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 1 3 Layout Figure 1 3 1 and 1 3 2 show the exterior of the instrument Figure 1 3 3 shows the right side panel and Figure 1 3 4 shows the Rear Panel layout For clarity of illustration the aerosol shield is not shown in Figure 1 3 1 The sub assemblies are as listed Plate X Mover Figure 1 3 5 Plate Y Mover Figure 1 3 6 Plate X and Y Movers are combined and are responsible for the plate carrier movement Rack Y Mover Figure 1 3 7 is responsible for the sample and reagent rack s movement Probe X Mover Figure 1 3 8 Probe Z Mover Figure 1 3 9 Probe X and Z Movers are combined and are responsible for the probe movement Washer Figure 1 3 10 is responsible for the aspiration and dispensing of liquids using the wash head Electronics Rack Figure 1 3 11 holds the main boards PCAs and the power circuitry Pressure and Valve Bracket Figure 1 3 12 controls the fluid flow of the washer Syringe Pump Figure 1 3 13 controls the fluid flow of the probe Photometer Figure1 3 14 houses the lamps filters and is responsible for photometric readings Bottles Figure 1 3 15 holds liquids for the washer system ChemWell Coordinate System Figure
86. ample cups or a carousel Microwell strips and plates are commercially available from many sources Place your reagent bottles and sample tubes into the removable instrument racks Then program the instrument to pick up from one place dispense to another wash the probe wash the plate read the wells incubate mix or whatever you want it to do When doing chemistry reactions groups of four wells are timed simultaneously Rows of 8 are timed together to coordinate EIA processes Microsoft Microsoft Windows Windows 95 98 Windows NT 4 0 are registered trademarks of Microsoft Corporation 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B ChemWell is not dedicated for use with any particular chemical reaction method or manufacturer This gives you many advantages including great flexibility in how you use it Your lab decides how to set up your racks and plates which reagents you will use how many controls you will run how many different applications you want on it and so on This also means that the instrument must first be programmed before each new application To assure the quality of clinical information each new setup must be validated before reporting specimen results In som
87. aps anchoring the orange and violet cable of the plate carrier and unplug the cable from the plate mover junction board The plate carrier is now free to be removed Replace the plate carrier by reversing the above mentioned steps Extra tie wraps of the type used for routing the cable have been enclosed in the ChemWell service parts pack The cable should be routed making sure to have a small service loop of about 6 7 for plate travel Check the plate carrier s temperature calibration as per the instructions given in 5 4 Calibration Plate Carrier When installed go to Alignment Plate Carrier 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 81 4 9 Hydraulic System A UL E L CONPLIMB NN SILICONE COUPLING SLEEVE T CONNECTOR VALVE W l 5 H1 PRIMING TUBE m mnn m J JW LL INTERCONNECT Tune TT PROSE SO uL 2 5 mL PRIMING FLUID DOTTLE Figure 4 9 Hydraulic System Diagram 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personn
88. ashing the probe and priming the wash system End of day Prepares the instrument to be shut down at the end of the day by turning off the photometer lamps washing the probe and rinsing the wash system Reset Homes all of the mechanisms and reinitializes the syringes Standby Parks the probe and turns off the pressure system Park probe Moves the probe to the center wash station Wash probe Washes the probe Prime wash Primes the wash system with the solution in the wash bottle Prime Syringes Prime rinse Primes the syringes with fluid from the prime bottle Primes the wash system with the solution in the rinse bottle Wash Wells Washes all twelve rows of the plate Heat to 37 C Raises the coil and plate temperature to 37 C Temp Off Turns the coil and plate temperature off 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 41 3 0 Troubleshooting In this section each subassembly or component group is discussed and possible problems and solu tions are outlined 3 1 Service Tools 3 1 1 Test Mode When servicing the instrument it is often necessary to be able to send commands directly to the ChemWell This can be done by selecting Telix Mode from the View menu T
89. ated counter clockwise from 1 The filter wheel turns on a shoulder screw shaft and is driven by the filter wheel motor via two neo prene belts The filter wheel itself requires no adjustments The optical interference filters contained in the wheel are of metal ion assisted deposition IAD type construction and are intended to be main tenance free for the life of the instrument However in an environment where extreme humidity or temperature are encountered optical characteristics on one or more filters may be compromised Run 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 59 Photometer Output Check as described in 4 5 1 If only one or two filter voltages are low on all channels the filter s may be suspect Refer to the service procedure Filter Replacement Never adjust trim pots on the Coprocessor PCB to achieve the proper voltages The filter wheel speed is regulated by seeing CNT NMI rate and adjusting the duty cycle of the output to the filter wheel motor When the wheel rotates the waveforms shown in the Photometer Test Points diagram section 3 8 1 should be generated The electronics consist of the 4 photodetectors and associated high gain amplifiers that convert the li
90. by microprocessor control by monitoring the output of solid state pressure sensor circuit P1 and U6 on the Daughter PCB and switching the pump on and off accordingly Vacuum is not regulated but is monitored Refer to Error Messages Status Indicators and Plumbing Bottle Level Sensing 2 10 3 Wash System Dispense The pump produces 34 5 kPa air pressure at the top of the wash and rinse bottles The fluid is forced up from the bottle but is stopped by a solenoid pinch valve The valve is opened for a precise interval under microprocessor control to allow fluid to flow into the dispense cavity of the wash head where it is distributed to stainless steel capillary tubes and then into eight microwells Aspirate A vacuum is applied to the waste bottle any time the pump runs The pump is connected to a fine hydrophobic aerosol filter then connected to the waste bottle The filter prevents liquid from entering 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 36 Rev B the pump The waste bottle also connects to the aspirate cavity of the wash head The vacuum is distributed across stainless steel capillary tubes thereby aspirating the contents of eight microwells simultaneously from the plate
91. ck Q2A If the pump and all of the valves are inoperative no voltage present at any time check LR2 and U12H for proper operation Both should be active at all times while the instrument is powered The 7 Segment LED D1 on Daughter PCB should have the center line illuminated See Status Indicator section 3 5 Motor Control All of the axes of motion are of the same basic design a DC servo motor and a position sensor Probe X has a two phase encoder wheel while the other axis sensors are simpler either a circular multislot interrupter disk linear multislot interruptor or plain single interrupter such as end limit sensors Open ings in linear multislot interruptors are also referred to as index slots and the interruptors are also called index brackets The most common failure in movement can be attributed to a physical obstruction Check for this possibility first Another less likely possibility is a problem with a sensor This can usually be determined by observing the sensor s status indicator If a problem is indicated check the IR phototransistor and LED of the sensors The phototransistor and LED should be perfectly aligned so that the eyes can see each other Check the home sensor pulley count and limit sensor output The indicator LED will show see 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory aut
92. ck on with the ChemWell software running on your computer and verify that the instrument starts normally 4 4 4 Fuse Replacement An inactive instrument may result from a blown fuse However a blown fuse may indicate a problem with the power supplies ChemWell contains three sets of the fuses The main fuses are located inside the AC box which is part of the electronics rack There is also one fuse in each of the two power supplies Since the supplies are autoswitching and can accommodate normal voltages it is unusual that any of these fuses should re quire replacement Replacing the main AC fuses AN WARNING Set the power switch to OFF 0 position before perform ing any service work on instrument After unplugging the instrument locate the AC panel on the back of the unit The panel contains the power receptacle and the power switch Remove the two screws one at the top of the panel and one at the bottom that attach this panel to the instrument Gently pull this panel away from the instrument there will be several wires attached Remove the four screws holding the black AC cover on the AC panel and remove the cover The double clip fuse holder is mounted on the inside of the rear panel Locate the blown fuse and remove it with a fuse puller or carefully pry it out with a small screwdriver Install a new 1 5A T rating 250 V cartridge fuse The fuse link is in a clear glass package and the element is spirally wound on a fiberglass
93. cription Part No Valves Bleed Valve Assembly Replacement Kit 029108 Check Valves ecien aeei t odi ane sea e mi EK ie idus 137150 Control Valve Assembly Replacement Kit 029107 Valve Dispense wash rinse eese 994041 Misc Exhaust ter o qe fee RE 137140 Plates Carrier Insert 15e orte te atta 188171 Plate Carrier Insert Foam 2 226i odes coepi ie eas 150206 PI ALG COV d M rm 990113 Printed Circuit Assemblies PCA Coprocessor please provide serial number 995320 PCA Daughter please provide serial number 995330 PC A DC Junction secet ste ERIS 995333 PCA Encoder with Wheel and Reader PCA CED Displayen tet e ph heh eoe aset 995336 PCA amp e Te 0953227 PCA Main please provide serial number 995310 PCA PhotomeleE c tees tet eoe eit teet aevi a a aA S 995321 PCA Photometer Junction sese eee 995324 PCA Photometer LED eeeee nnn 995323 PCA Plate Junction ite re ees 99533 PCA Power SUDDIVS 1 22s sese 101100 PCA Power Supply 24v iate better nnn 101101 PCA Probe Sense and Heater Control ss 995315 PCA Probe X Junction sss sese eee eee 995312 PCA Probe Z Junction sss eee 995313 PCA Rack Ue T 995311 PCA Relay Funci On T 995334 PCA Sensor CODIQOS srecetina teinte eeu 995314 PCA Sensor
94. d for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 135 C Aldd s 43MOd OV Q3H21 S udin OL AlddNS uMd uiinTig OL AlddNS YMd 43iH9nvQ 00 0062 OL Aldd S YMd NUSS 2709907 002 0062 OL AlddNS 4Md NIVA 001 0062 OL Aldd S YMd DC Power Junction PCB Rev B 3 Qo ON 1SdQ A13 E NI OW NIV do OLE TE L 4 aT 40553908d00 WO4 Valo AY 134 Q4v08 NOLLONAF Av 139 i 4 91 0089 u3 P i OQO l m O pu 7 AST QdvO8 NOIHLONNA 20 Addd S Bs3MOd WO4 2Q0 NIVA SNOILONAL Al ddNS Jd3MOd SI NOILVYOIdNG GAZIYOHLAYNA SNOILONRP ATddAS 3006c AQOTONHIAL SSJNd3MVMV 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory Oauthorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services P vSGc8 m NI viva aas 00S gt gt z PAETI 1N2 X Bud E 3WOH Z Ova 3WOH 2v4 3NOH Z 380Ud U7Hd 3NOH x 380ud HXNd 5 T1812 1v3H 1 02 c e 49d 318vN3 1v3H NIIH 2d wld 0 152 L
95. der the tabs of the retaining ring Pry two or three of the tabs teeth away from the filter until the ring is dislodged and remove the ring and filter The filter may be bumped or pushed from the wheel using the eraser end of a pencil or other blunt object Remove any remaining filter components from the filter cavity Locate then install the neutral filters and or screens if any that were included with the replacement filter some wavelengths do not require these extra screens and place them into the wheel cavity first Next insert the filter with the flat ring side down Place the replacement retainer ring over the filter so the tabs are angled away from the filter up and press ring in place with a 7 16 inch or 11mm wooden dowel or similar tool Step 6 Installation of the photometer is the reverse of disassembly Reinstall the filter wheel on the bracket taking care not to pinch any washer under the shaft Make sure no molding dimples from the washers are against the filter wheel Check the lube to see if it is dry dirty or missing Add more lube if needed Tighten the shaft Be sure that the belt is centered on the filter wheel and is not twisted Install the photometer PCB taking care to center the large hole around the shaft Replace the optical cover taking care to fit and position the gray cable in the slot of the cover Do not pinch the cable under the cover or it will be cut off Insert the 3 6 32 screws and snug up Do not overtighte
96. disinfectant Take special care not to spill liquid inside the instrument Particulate matter in wash solutions can clog washer probe head easily See the section on cleaning the probe head for special instructions on removing particulate matter from clogged washer heads Please take time to read this manual carefully before using the instrument For best results familiarize yourself with the instrument and its capabilities before attempting any clinical diagnostic tests Refer any questions to your instrument dealer Retain the original packing material for future use in the event that the instrument is placed in storage shipped to another location or returned for service Two people or more should lift the instrument by placing hands under the side panels and lifting ChemWell should be installed on a sturdy level surface capable of supporting the instrument s weight 45 kg safely The instrument should be surronded by the following clearances 46cm on each side 117cm on top 15cm front and 18cm back ChemWell requires no fastening to the bench top IMPORTANT OPERATING PRECAUTIONS The quality of washing often affects the validity of test results To assure adequate washing Perform periodic dispense volume repeatability checks as described in this manual Rinse the wash head and probe after use Handle and store the wash head carefully to prevent damage Use the prime cycle before each wash Watch the instrument to se
97. driven by the re triggerable one shot comprised of C14 R5 and U12A The microprocessor re triggers U16A at intervals smaller than the one shot period If the microprocessor system crashes or otherwise malfunctions U12A will time out and shut down the motors rack and probe and coil heating power by turning off Q1A If this occurs LED D3 will be turned off to provide a visual indication The Daughter board provides 12V to its systems through a Relay LR2 which is in turn driven by the re triggerable one shot comprised of C27 R17 and U13A The microprocessor re triggers U13A at intervals smaller than the one shot period If the microprocessor system crashes or otherwise mal functions U13A will time out and shut down the valves and pumps by turning off Relay LR2 If this occurs the middle bar of a seven segment LED on the Daughter board will be turned off to provide a visual indication on the Daughter board 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 33 2 9 Motion Control Also refer to section 3 5 Motor Control for general information on motion sensing Racks Two bidirectional DC motors under microprocessor control turn 3 8 16 machined stainless steel lead screws via
98. dule Photometer Junction Photometer LED 1847620 Figure 2 5 6 Photometer PCB Connections The Photometer PCB optically reads the light emitted by the lamp after passing through the plate It is located inside the Photometer housing Main teat Figure 2 5 7 LED Display PCB Connections The LED Display shows the status of various states of the mechanisms See troubleshooting for a full outline of what each light means The board is located behind the Probe Shield 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 28 Rev B Daughter 356 amp ER Diluter One or the Diluter other is used 457 R BS Unused J10 E x Supply AlddNS 43M0d Interior Lamps Main Figure 82 4 8 DC Junction PCB Connections The DC Junction board is the distribution center for DC power for the instrument It is located under the electronics rack Y Comb Sensor Shaker Pla Carrier Power Optional Heat Control Figure 2 5 9 Plate Mover PCB Connections The Plate Mover coordinates the Plate X axis Plate Y axis movements the Plate Carrier incubation mixing fan and wash movements It is located to the right and under the Plate Cover Note Plate
99. e I ka oaao sm wiag n UN unii pe ioa LJ P3 S ye Pv ad ane L Aie apis sane M ouas k avo i a Saa t saa e pum ZL 191 7 NLF JP IL wx un avid 0 bu g ES L i LLLv8l G R T som YILHONYG E 00S 006Z va HEEL P Q A33 1n0AY M318AS 0067 ETT CIC mr E 49010NH231 SS3N3NYMY cQ H 8 Ei nide cd Ee B 2 ros e EE a t d c H dha gnm Y 335 32V J831NI H31ndNOO NI 33M0d Ov 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 103 Rev B Appendix C Block Diagram 112335 39v LOS OLN S3 1ddn 5 4340d NINJLI S Q32INOOCH ka Moo WY KEM ftv Sin din MYO DOO E ATS tots wt ab mesg i anis EFE LULUN y mae Late Prut B 1 8 i i i i i i i i i a 0040 n em TEL f HIB i div Z H anul i Pes we R gt 7 SS oo H Bund 4 09 r3 i TON Sd MLY A38 ADez D I Ww Ladies LI UE oy TN i Anl i waa JT NS ua IH m 5 LU i dim 3440 LAG MORI TOMS vi 13104 THWNLAM 1 HUME RUM IM a H 1 isda D 8 H 31014198 H zzzi 7 7 2204 ORI I 3411501383 SNITUH q3H211 s H De re cook ce ES F Tad i
100. e Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 60 Rev B Figure 3 8 1 Photometer Test Points 3 9 Plate Temperature Control The plate carrier contains a thermistor and a heating element totaling 12 ohms which are used to pro vide the temperature control The heat element is switched on and off under software control using the MOSFET Q11 on the plate junction board LED D14 on the plate junction board indicates that the heat strip is on The thermistor circuit in the plate is brought through the plate junction board and back to the Daughter board where it is fed into the amplifier at U20A The circuit is calibrated using the trimpot R28 on the Daughter board The output from this amplifier is fed into the demultiplexor CD4051 U9 then into the voltage to frequency convertor AD654 U14 The output from the VF is read by the 8254 U2 on pin 9 The coprocessor firmware controls both the demux and VF to read all temperature pressure vacuum and bottle sensors which use the VF circuit To check the current coil temperature send a STAT command The Telix Mode window will display the plate temperature in the top left status box under Plt To turn the plate temperature control on use the command TCON a
101. e a larger distance and the single arrow a smaller distance When you move the probe left to right the probe will be automatically raised To lower the probe back into the wash cup use the button showing the probe being lowered Click Done to save new setting or Cancel to keep the old one 6 5 Washer Aligning the washer Select Align Washer from the Instrument Setup dialog Insert a plate or strip tray when prompted and select OK The plate will be moved under the wash head and the wash head will lowered into the wells Use the arrow buttons to adjust the position of the plate and wash head so that the aspirate Rack 2 needles are centered left to right toward the back of the wells and touching the bottoms of the wells The double arrows will move a large amount and the single arrows a smaller amount Use the blue arrows to move the plate left and right the red arrows to move the plate in and out and the green arrows to move the wash head up and down When the plate is moved the wash head will automatically be raised To lower the wash head back into the plate use the button showing the wash head being low ered Click Done to save the new setting or Cancel to keep the old one 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of
102. e cases the programming optimi zation and validation may have already been done Before applying any new clinical reagent sys tem check first with the diagnostic reagent manufacturer for specific instructions validation infor mation and application tips You are also advised to run specimens having known concentrations to verify your instrument setup parameters After that programs can easily be recalled for review use change or deletion by you You decide everything including how manual and how automatic you want your system to be Awareness Technology Inc developed ChemWell instruments and software as tools for the modern global laboratory The power and freedom to apply ChemWell is completely yours 1 2 Warnings and Precautions VAN WARNING FOR IN VITRO DIAGNOSTICS USE Some diagnostic assays utilize materials which are potentially biohazardous Always wear protective apparel and eye protection while using this instrument Always operate the instru ment with the aerosol shield lowered Do not use the instrument in a manner not specified by the manual or the protection provided by the instrument may be impaired Probe tips are sharp and may cause bodily injury Do not place hands or fingers under the probe or wash head probes while instrument is in operation Always set the power switch to OFF 0 before working on the probe or wash head Never touch the probe or wash head while the instrument is operating AN WARNING The p
103. e ecert serere nice 112080 Fuse 3AG 1 5A slow blow set of 21 102003 Lamp Photometer XEMOM sse eee eee eee 112007 SVMS T TTT 105184 TTT T 105185 Sampling Probe Assembly eee 994117 Tools Cable Ties Qty 10 55 1 niteat ode eta 152200 Clean out Wire Aspirate eese eese ee eee 185895 Clean out Wire Dispense entes 185896 Hex Keys Set 0E 3 uaisoin leidet eie ee t iet in rents 153022 153023 153024 Lubrication Gel 12gm t be eee eee 151005 Misc Replacement Parts Deli ca ph casas Sod deal a decease ce head oak iud sabes cedere 153040 Filter replacement for originally installed wavelength XXX nm 111XXX Filter Wheel 8 position with standard filters installed 996040 Owner s Manual additional Copy sess OM2900 Power Cord European usse s eee 137221 Power Cord U S Black eeeeee naaa esa 137521 Spare Parts and Tool Kit 2 fuses hydrophobic filter 1 16 hex key clean out wires and instructions 029020 Plan Seles fittings airneisi MORS ee Ies 137016 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 97 Selected Part Illustrations pee l FAL
104. e ideal distance to move into the vial to aspirate the specified volume This factor is applied to calculation to account to variation in vial sizes and wall thickness The default is 1 35 35 2900 Series Service Manual O 1909 Awareness Tec kology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 46 Rev B This is the minimum amount in counts that the software will move the probe into the liquid when aspirating The default is 6 PushVolume This is the default Push Volume used when creating a new assay See the sections on assay program ming in the owner s manual for more information The default is 25uL ReagentCutoff Sample protocols dealing with volumes less than or equal to this cutoff are treated as samples If the volume is greater or there is a dispense to ALL the protocol is treated as a reagent This distinction controls which aspirate dispense method is used See the sections on assay programming in the owner s manual for more information The default is 20uL ReagentVolFactor This is the amount of extra volume aspirated when picking up reagent This extra volume is necessary to prevent reagent dilution The default is 1 20 20 Sample VolFactor This setting is no longer used SetAirSpeed This is the speed at which a
105. e lamp terminal screws 4 Set the power switch to ON Shield your eyes from the lamp beam and observe the projection of the beam onto the aperture Refer to Figure 4 5 2b Spot Alignment The spot should be small and centered on the aperture The spot should be sufficiently large to just encircle the aperture If the spot is not centered repeat step 3 5 Select test RFLT The instrument reports the detected voltage for each filter position All voltages should be between 2 00 volts and 10 00 volts If all the voltages report low repeat step 3 until optimum lamp position is obtained 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 74 Rev B Lamp Lamp Terminal Connector Screws T IE SL Lamp must be perpendicular to strip aget bracket and projected spot must be S Channel centered on aperture Projected spot must be bright and slightly larger than aperture hole so the outside edge of the spot does not touch or enter into the hole The spot should be well defined and centered on aper ture Use a small piece of paper as a target to observe the spot Figure 4 5 2b Spot Alignment on Channel Block 4 5 3 Adjust Lamp Bracket Level Screws Towards the rear of the photometer are
106. e that the probe and wash head dispense is functioning properly Be sure to run a sufficient number of controls in each assay If controls are not within their acceptable limits or if you suspect incomplete or non uniform washing disregard test results Do not operate the instrument if the pressure is unstable or if the probe or wash head probes are damaged 1 2 1 Intended Use FOR IN VITRO DIAGNOSTIC USE The ChemWell is designed for use in processing general chemistry and enzyme linked immunosorbent assays CELISA or EIA including clinical diagnostic assays requiring multistep washing rinsing and soaking This general purpose instrument is intended to be used by laboratory professionals who 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B are capable of selecting the appropriate features and options for each specific clinical application 1 2 2 General Safety Summary Review the following safety precautions to avoid injury and prevent damage to this instrument or any products connected to it To avoid potential hazards use this instrument only as specified AN WARNING Only qualified personnel should perform service proce dures Contact your dealer to arrange factory tra
107. echnology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 153 Rev B 3 Daughter PCB 4 of 5 E xz Zeza S US AL S Ey ac 0L rae ecu Oey u 61M C 3xnn e Came Cm 0i NL 901 al NOISUNHJHI 9319997 101 29 19094 dil S 74 sOlSWuGHi 31v7d S e D 8 41n 0 n v 41ih S n 9 ASE 8 6 X66 zm zz Ded Lu Bly 5 zu NKC acl AvE 107 10 T i S E O Nu SE 9z sr 19 2 LN E r id Lv3H 939992 HIJ DRC z en Ok n a sin OT ezr er v 00zN1n O 9 ld 1v3H 31vd 1878 09 S Tm tzer I IN ZKP NAOQ GV3JH HSVM 9 n dn QViH HSVM 6 TN v ef LNNOI HSYM U Eid 3SN3JS d01 SE YLOHYL 8 1N3 s cr DOS TEL JSN3S 01108 ed wp e zc G Tm Q 0If i 6If zi 01 P 4 anii 8 NH Sd OS7v 335 C ld 235 1d 3812 NYJ dwe VEOBENIO 099 NOILONAP ot NY 11 T en SL r 3AO0N 3LV1d OL EMITE NOGGIN JAIM 92 AST QNO 9 ein 3 INO 00S v4 YIOHY L Z f e T y o e e 7 l Z aasn 10N Y BL AOL LNH ART ria QILAIHOYd ATSS3HdX3 2 a S Y Si NOILVIITANd Q3ZiBOHinvNA 01 9 LUN aQuvog a43iH9n v 0002 0062 sse JOMJINOO GVSH HSVM
108. echnology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 13 Probe Z Mover Home Sensor Probe Z PCA Count Sensor Limit Sensor Heat Sensor and Heater Control PCA Pa Heat Block Probe Attaches Here Belt Figure 1 3 9 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 14 Rev B Washer Dispense Aspirate Guide Rods Belt Motor a ere a L Cc c Figure 1 3 10 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 15 Rev B 1 Electronics Rack Red Stripe didi Violet ANT 3s ET Green ju Probe Z H count H j Rack 2 D1 robe X Count Rack 1 Count Eat irs Serial MAIN L
109. ed personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 50 Rev B 3 1 15 Temperature Control ICOON ICOOF COILttt TCON TOFF IPLATtttt ITCHK IPTON IXMPTxxx 3 1 16 Rack Control IRKIH IRK2H IRK1Myyyy IRK2Myyyy IRKSMxxxxyyyy Turn on probe coil temperature control Turn off probe coil temperature control Set the coil temperature control point tttt temperature ex 0370 37 C Turn the plate temperature control on Turn the plate temp control off Set the plate temperature control point tttt temperature ex 0370 37 C Check if the plate temperature is 37 C 0 1 Show external temperature probe Transmit xxx seconds of readings from thermistors Move rack 1 left to home Move rack 2 right to home Move rack 1 to coordinate yyyy Move rack 2 to coordinate yyyy Move both racks at the same time xxxx coord for R1 yyyy coord for R2 3 1 17 Pressure Vacuum and Valve Control IPRON Pressure system on IVAON Vacuum system on IVOFF Vacuum system off ISTBY Standby Turns off both pressure and vacuum ISPRSxxxx Set the pressure control point xxxx PSI ex 0040 4 0psi IVCALxxxx Set or display volume calibration xxxx volume in mL ISSEN Show sensor levels Wash xxxx Waste xxxx Rinse xxxx Xxxx counts 3 1 18 Diluter Control IWPRBvvvv IPWSH IDINIx IDPRIn IDCALxxxx IDASPvvvvSx IDDSPvvvvSx IDMAPvvvvSx ISAIRxxxxSx 3 1 19
110. el and is to be used for the sole purpose of providing routine instrument maintenance and repair services 82 Rev B 4 9 1 Syringe Pump To replace the syringe pump 1 Unscrew the feeder line fitting from the T connector 2 Remove the ChemWell prime bottle amp prime tube by unscrewing the fitting to the valve and set the prime bottle aside 3 Remove the four 6 32 truss head screws retaining the syringe pump assembly See Figure 4 9 2 4 Making sure the power to the ChemWell is OFF pull the syringe pump assembly panel forward 5 In the back of the pump assembly unplug the blue ribbon cable connector and the yellow power connector 6 The syringe pump module can now be lifted from the chassis 7 Install new syringe pump by reversing steps 6 3 8 Remove Syringes see procedure T connector and Valve from the old pump and transfer to the new one using the 3 32 hex key supplied in the ChemWell tool kit to remove the four metric socket head screws retaining the T connector and valve 4 9 2 Syringe Replacement The 2 5 mL and 50 uL syringes are luer lock type and are retained by a nylon set screw at the base of the syringe To remove a syringe first loosen the thumb screw at the base and then rotate the syringe in a clockwise direction to loosen the syringe from its luer fitting When replacing a syringe make sure that the thumb screw is tight and that the syringe is firmly seated onto its luer fitting by rotating
111. er Position Filter 1 340 5 505 Filter Wheel 700 545 No 2 6 3 405 7 600 4 8 450 630 Figure 4 7 1b Filter Label 4 7 2 Photometer Filter Replacement Materials tools required Replacement filter set 1 Phillips screw driver 1 Flat blade screw driver 1 sharp pick or pointed object 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 77 Hola orientetion then remave the Epp Ewa conneckors end unplug the ground wire Tram ihe Cheseis Pares White Lepped Screw Full tp remave the white rarrugsted air cooling lube ef ihe quid Tace plete on the back paral Tube Coupler Figure 4 7 2 Photometer Diagram Step 1 Disconnect the instrument from the AC mains and detach the power cord Disconnect bottles Remove the right side cover Set the cover out of the way Step 2 Refer to figures 1 3 1 and 4 5 Locate the photometer Note the location of the red marking for cable orientation before removing connector Note the orientation of the harness cable and connector from the coprocessor board Unplug the two upper cables from the photometer junction PCB Leave all other connections on this PCB alone Unplug the ground wire at the red quick disconnect terminato
112. es Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 22 Rev B 2 0 Principles of Operation 2 1 System Control Electronics Rack ChemWell has three large printed circuit boards which regulate and control the system All three boards are mounted to the top of the electronics rack easily accessed by lifting the top cover of the instrument On the underside of the electronics rack visible only after the back cover of the instrument has been removed are the two switching power supplies and associated junction boards See Figures 1 3 11 Electronics Rack 2 2 Main PCB Connections 2 3 Coprocessor PCB Connections 2 4 Daughter PCB Connections 2 5 8 DC Junction PCB Connections and 2 7 Back of Electronics Rack The board on the far left as you face the front of the instrument is Main 2900 100 This board contains one of the two Z180 microprocessors The other microprocessor can be found on the Coprocessor 2900 200 board which is the middle of the three boards The Coprocessor board has a direct bus interface to the board on the right known as the Daughter 2900 300 The functions and communications between these boards are described in the sections that follow 2900 Series Service Manual 199
113. f the mechanism senses home for the microprocessor LED Transistor Wires LED Transistor Wires Mon Resistor Figure 3 5 1 Typical Optical Switches With and Without Resister 3 6 Incomplete Aspiration One or more aspirate tubes may be clogged Clean the aspirate tubes using the cleaning wire Check the tubing path leading from the wash head to the waste bottle for kinked or pinched tubing Verify the vacuum using a gauge Check the exhaust filter for clogging Aspirate tubes should contact the bottom of all 8 wells simultaneously while aspirating not necessarily while positioning 3 7 Incomplete or Inaccurate Dispense One or more dispense tubes maybe clogged Clean the dispense tubes using the cleaning wire Check the tubing path leading from the wash or rinse bottle to the wash head for kinked or pinched tubing Check for stuck valves and clogged or pinched valve tubing Check the bleed valve for leakage Verify the pressure using a gauge 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 58 Rev B If the instrument has been stored for an extended period without rinsing it may be necessary to unlcog the tubing and or operate the valves manually in order to prime the in
114. ght signals to electric analog signals and buffer followers on the photometer PCB On the coprocessor board are gain of 2 amplifiers sampling analog switches and hold capacitors followed with high im pedance buffers These buffers feed voltage comparators that are comparing the held light signal volt age with a logarithmic discharging voltage ramp The output of the comparators gate the correspond ing 16 bit counters clocked at approximately 2 MHz to make the analog to digital conversion The NMI clamp diodes keep the gates from enabling the counters until the wheel rotates out of a filter count hole in the filter wheel This begins the hold phase of the analog processing synchronizing the start of the timer counting At the same time the processor uses the NMI to control the motor speed and update the filter count in software The home is used to reset the filter count in software The calibration is affected by trimpot adjustment on each channel at the input of the individual gain of two amplifiers offset and by the trimpot TP1 on the logarithmic discharging voltage ramp generator gain Never adjust trim pots on the Coprocessor PCB Contact the manufacturer if you question the calibra tion 3 8 1 Photometer Test Points WAVEFORMS MEASURED AT J4 WHILE READING BLANK AIR ONE REV OF FILTER WHEEL lt 240 ms CURING READINGS Sample 9 n Hold o BASELINE HASH WAVELENGTH ANALOG PEAKS Home 2900 Series Servic
115. he Probe Sensor and Heater Control PCA R23 See caution at the top of the section Keference vacuum gauge l6 in Hg From vacuum blue ae vacuum side fitting on rear panel Z of waste bottle Tee fitting Figure 5 6 Gauge Connections Vacuum Calibration 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 90 Rev B 5 6 Vacuum Attach a vacuum gauge to the blue fitting on the right side of ChemWell Type VAON to turn vacuum on then type STAT Vacuum and gauge should agree If not adjust pot Daughter R9 until agree ment See caution at the top of the section Reference pressure gauge 6 psi 7 yo pressure side of wash and nree Tee fitting bottles From pressure red fitting on rear parel Figure 5 7 Gauge Connections Pressure Calibration 5 7 Pressure Attach a pressure gauge to the red fitting on the right side of ChemWell Type PRON to turn on pressure and wait for pressure to be reached Pressure should be at 5psi If not adjust the pressure trimpot Daughter R10 until pressures agree See caution at the top of the section 5 8 Trimpots on Daughter PCA 03YOB NLY OL pike d3 a 3 Qe meso 0 0 CN x
116. he instrument will initialize with no connection It then must be reset using the reset button on the back of the instrument before it will resume communi cation with a computer Use only a standard Null Modem cable to connect to the instrument to your PC 3 15 Printers 3 15 1 Black amp White A black and white printer should be set to print in black and white If your ChemWell computer is hooked up to multiple printers or if you print to multiple printers on a network you may encounter a problem if one of them is black and white with a color capable driver If you print on a color printer and then print on a black and white printer before restarting ChemWell it might attempt to print color on the black and whiteprinter If you encounter this problem restart the ChemWell software Known printers with this problem Citizen GSX 190 3 15 2 Color Some color capable printers do not correctly print graphs on computers with limited memory Try setting your print driver under Printers to print black amp white lower the print resolution or upgrade your printer driver 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 63 2900 Series Service Manual 1999 Awareness
117. his manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 19 Chem Well Coordinate System Score f f axis up down Y axis frant back X axis left right Figure 1 3 16 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 20 Rev B 1 4 Technical Specifications Overall Typical throughput up to 200 endpoint reactions per hour or 170 kinetic reactions per hour Typical reaction volume 200 uL or less Dimensions 86cm W X 51cm D X 40cm H approx weight 45kg Reagent and Sample Dispensing Capabilities dilutions predilutions dispensing single or multiple reagents Pumps Two syringe pumps sized 50 uL and 2 5 mL Probe 316 stainless for maximum reagent compatibility level sensing Min and max volume 2 uL 2 5 mL Precision lt 1 Maximum number of specimens including calibrators and controls 96 Maximum number of reagents 40 assorted replaceable racks and custom designed racks are available for various bottle sizes Reaction vessel standard microwells strips or plates Instrument bottles 2L wash with low volume warning sensor IL rinse or Wash 2 with low volume
118. his mode displays the communica tion with the instrument and allows the commands to be typed in and executed For an explanation of the ChemWell commands see Service Tools Software Service Commands AN Caution It is possible to damage the instrument by sending incorrect commands 3 1 2 Status Indicators Main Board There are two 7 Segmented LEDs D1 shows the index pulses Probe X T Probe Z Count Count Rack 1 2 Rack 2 Count Count D2 shows the homing Probe X Probe Z Home Im Home Rack 1 Rack 2 Home Home Probe Sense Board LED status indicators on the Probe Sense PCB show whether or not the heat is on LED D11 shows the heat for the heater coil LED D8 shows the probe heat 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 42 Rev B Coprocessor Board LED D10 shows the status of power supply and should always be on Daughter Board LED D12 Plate Y slot indexing LED D13 Plate X slot indexing LED 7 Segment Washer Count A 3 E23s Plate X Plate Y eit i JE Count L Home a E 2 Processor Alive l Plate Plate X One Shot E R Count Home OHHH c Wash Home Plate Mover Junction LED D14 status indicator of the thermistor on
119. horized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 57 Troubleshooting Status Indicators the movement of the axis On the sensor check to see if there is 1 2 volts voltage drop at the IR LED and the IR photo transistor switches from its low state less than 5 volts to high state gt 4 0 volts when the eye is blocked Another possibility is failure of the L293B motor driver Each motor has its own motor driver chip See Principles of Operation Motor Control for specific locations Other problems could be with other sensors that do not have indicators motor driver electronics wir ing the motors themselves or the belt The belt should be attached correctly and moving smoothly around the pulleys Probe X The Probe X axis has a two phase Encoder Wheel and matching sensor pair CAUTION The wheel is fragile Do not damage WARNING The Encoder Wheel Can Cut You on the left side which provides tachometer pulses to the microprocessor at the NMI input and PB4 input at 8255 U9 The two phases of the encoder output are used by the software to determine direction and accurately track the probe s position On the right side of X travel there is a sensor with a phototransistor and LED that is at a known fixed point and is used as a reference to verify the encoder wheel count is correct and if not resets the count in software An additional sensor to the far left o
120. ime bottle is introduced into the system by rotating the shear type valve to connect between the 2 5mL syringe and the priming tube then drawing down on the syringe to aspirate prime fluid from the bottle A third port on the top of the valve is unused Volume pipetting is produced by displacements generated in two syringes 2 5 mL and 50 uL The 2 5 mL syringe is used for large reagent volumes and the 50 uL syringe is for volumes less than 30 uL The 50 uL syringe is attached to a T fitting and does not require a valve The syringes are connected by an interconnect tube between the valve 2 5mL and T fitting SOmL and this is coupled to the pipetting system by a feeder line between the T fitting SOmL and a coupled line into the heat block probe assembly See Figure 1 3 13 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 37 2 13 Photometer The photometer consists of a mechanism with its own electronics and additional calibration and analog to digital conversion circuitry on the Coprocessor PCB The mechanism contains the light sources filters detectors and electronics Light from four tungsten xenon lamps passes downward though four wells in the sample plate and the samp
121. ing from the fittings on the filter 4 Install the new filter with the INLET side pointing toward the waste bottle Push the tubing on the fittings until seated 4 2 4 Pressure Leak Check all bottle caps for tightness fitting connections tubing condition and pressure control valve If tubing needs replacing see Tubing Replacement section If valve is failing see Valve Replacement section 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 68 Rev B 4 3 Chassis 4 3 1 Dome Lamp Replacement I l l S E z E C S Figure 4 3 1 Dome Light Diagram To replace the light bulb Turn off the power Remove Dome Lamp cover Twist light bulb and pull out Install new light bulb by inserting and twisting the light bulb Replacement light bulb is a 12 volt 20 amp tubular 3 1 4 Replace cover 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev
122. ing routine instrument maintenance and repair services Rev B 108 HOSN3S JYNSS3yd HOSN3S OVA ow ALNG LNVLUWYSLNI O N SAIYA m ALNG INV LLINAS3SIINI O N GATYA e u3ona3 C NILLId or avag xina 3r E ALNG SNONNILNOS O N 3ATVA ALNG SNONNILNOD O N FATWA FOYVT YOLOANNOD 331 l E 3NIV 53H25 di Nd TIVWS YOLOSNNOD 331 31SVM 333 ALIAV39 d L 311108 l 1 SNI amp n L INODMIS ONIGNL w b NIV NO 31SVM yola 1X3 WOLLOS NO ONILLI4 T3AIMS 35NV LHII 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 3 109 Appendix F enema Rev E Boards 3i RLOP wove 2900 100 COMBO 184750 II n R Frage ai dE ned Rack Junction Optos n h OSRE i9 LT eget KSL Eas ILES ei de Hr WZ wen iat E Probe Sense and 2 RETIIIQ 4 Heater Control S a E t Probe X Mover LLILLILILI as zi EEEE Probe Z Mover amp nX n mmi B B e B g ee
123. ings Dispense tte 57 forc 82 3 8 Photon ieter esse eee eee ee eee 58 4 9 4 Repair Tubing 82 3 8 1 Photometer Test Points 59 4 10 Valve and Pressure Pump 83 3 9 Plate Temperature Control 60 4 10 1 Valve Tubing 3 10 Coil Temperature Control 60 Replacement sse eee esr 83 3 11 Probe Temperature Control 60 4 10 2 Wash Dispense and Rinse 3 12 Carrier Temperature Control 61 Dispense Valve Replacement 85 3 13 External Temperature Probe 61 4 10 3 Bleed or Control Valve 3 14 Serial Port 62 Replacement sees ce eee eee 85 3 15 Printers eerte tease 62 A Washer anie en 86 3 15 1 Black amp White 62 5 0 Calibration 89 3 15 2 Color eene 62 5 1 Setup ota ences tice 89 4 0 Service Procedures 64 5 2 Photomeler oc pied einn 89 4 1 Replacing Probe 66 5 3 External Sensor 89 4 2 BOIS itecto ten ote 67 5 4 Plate Carrier iocis 89 4 2 1 Clogged Tubing 67 3 9 Coll BloGk ission 89 4 2 2 Bottle Sensors 67 5 6 Vacum i oit elo oes 90 4 2 3 Hydrophobic Filter SX POSS UR Bs oca datis 90 Replacement see neis eres 67 5 8 Trimpots on Daughter PCA 90 4 2 4 Pressure Leak 67 6 0 Alignment 91 4 3 CHASSIS eios uie tt ops 68 6 1 Photometer Plate Carrier 91
124. ining 1 2 3 To Avoid Fire or Personal Injury e Use Proper Power Cord Use only the power cord specified for this product and certified for the country of use e Ground the Product This product is grounded through the grounding conductor of the power cord To avoid electric shock the grounding conductor must be connected to earth ground An optional method is to attach a ground strap from the external grounding terminal on the rear panel of the instru ment to a suitable ground such as to a grounded pipe or some metal surface to earth ground See figure 1 3 4 e Observe All Terminal Ratings To avoid fire or shock hazard observe all ratings and mark ings on the instrument Consult this manual for further ratings information before making connections to the instrument Do Not Operate Without Covers Do not operate this instrument with covers and panels removed Use Proper Fuse Use only the fuse type and rating specified for this instrument Avoid Exposed Circuitry Do not touch exposed connections and components when power is present Do Not Operate With Suspected Failures If you suspect there is damage to this instru ment have it inspected by a qualified service person Provide Proper Ventilation Refer to the installation instructions for details on installing the product so it has proper ventilation Do Not Operate in Wet Damp Conditions Do Not Operate In An Explosive Atmosphere Keep Instrument Surfaces
125. intenance and repair services nN E E e p C E j in 2 O1NY 8 g A 590v o E 3 lt Mg Doe or S At K 013 sp HOO 1M T Mc ue 8 en f F 219 noo gt oH vi T a T A9T Ir M bE 7 3uhssS3uc OTs OL v OLNY t Ry GH af n O GEG ux ISNA OS iSNISA gt 52 g O1NY L HSVM G LSY CH zr Y O i ZT WANIVA OWA 9 OvA S3Hd g annd e O ob AZIMS D v O0ZNTn cn ZN se 7 SAd SL yeooznin SHA veooznn G3 30v 3H gp Hs 84H n 1031NO02 Syd VEGOZNTL cn 1snvexa Oh lt Ose 8 DIESES AZ mom G 134 Sad 03318 L YEOOZNTN 44 9 Zar OH HSVA 3SNIa On a E ISNI Ao e dSIQ Qv3H HSVM Org N 00ZN 10 07 n mas E 14 dd HSM S tg mo i JOSHLINOO dADnd 3A1VA Y 5 sn O LdSV QV3H HSVM yo He TST SYOSNAS WANOVA JG L ddd P4 LALdW 3 HINOJ vEOOZNIN ty sin 1281427 v izn C C 02 U9IHO9d ATSS HdX3 e D 3i RR T SI NOILVONdNG GIZIOHLAYNN EE S a3snnn 01 veo occa EFEZ q4y0g X3LH9NYG 300 006c gt 3 E A AQOIONHOSL SSAINSYVMY 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory Oa
126. ir gaps are created The default is 2 and should not be changed Parameters This is the unformatted list of parameters direct from the instrument Please see the command list an alignment sections for information on these parameters 3 1 8 Software Service Commands 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 47 There are several software maintenance commands that are also available None of these functions are required for normal operation but they can be used to fix some problems relating to data integrity To use these functions type the above command into Telix window as if sending to the instrument HELP JPRG JIDX JFIX AIDX PRMR REGR Show Summary of these commands Purge all the data files from a selected job Rebuild the Job Index file If the file JobIndex IDX in the JOBS subdirectory becomes damaged this function can be used to restore it This make take a long time to complete if the computer contains a large amount of data Searches for damaged job and data files on the computer and prompts to fix them Rebuild the Assay Index file If the file AsyIndex IDX in the ASSAYS subdirectory becomes damaged or assay files have been manually
127. iven in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 3 149 LED Display PCB 1 of 1 ULN2803A ULN2803A ULN2803A gt O JIa Co LE et l O Tl 00 G lt ied a m l 2 N ca LQ 1 a ti LJ s Gr 3 o tio EIS lt L c4 o z e c o Qui at a r ae Sa MH n y ouo Io Ew Se xao zx Du 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory Oauthorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services e AM DAIN ver 79 0339354 v OgzNan ea ra 3A1V 01318 18d AW o Hx JOvLIOA 3111098 984 gt RO e LS G L S 31AYA JLSYM cad 0 oO 6 Lr g ein JAIYA 3SNIJ tBd Za c e fr i VEOBZNIN 3SN3dSIQ 400 HSVM 8 d 90 gz 9 i ae HER 60 6n zad 90 v K HHMI GI T TOYLNOD XAN oven Gd sas 9 1NM a zin
128. l Z motion of the probe Probe Z uses a shuttle with an attached aluminum code wheel that has index holes which create pulses when passing between an IR LED and a phototransistor providing tachometer pulses to the microprocessor at the CLKO input at 8254 U5 There is a phototransistor positioned at the extreme of the probe Z movements It will disable the motor drivers U27 via NAND gate U18 when the travel limits are reached Additionally other phototransistors indicates the home positions to the microprocessor LED D2 provide visual feedback to the service technician of the tach pulses and home positions The Probe Z Junction PCB holds the motor driver and interfaces to Probe Sense board The main PCB holds the index pulse buffers limit logic and connects to the Probe Z Junction PCB via a 10 pin ribbon cable Washer One bidirectional DC motor under microprocessor control turns a 3 8 16 machined stainless steel lead screw via neoprene belt and nylon pulley The motor is dedicated to vertical Z motion of the wash head The pulley has several index holes which create pulses when passing between an IR LED and a phototransistor providing tachometer pulses to the microprocessor at the CLKO input at 8254 U16 Phototransistors disables the motor driver U11 via NAND gate U10 when the travel limits are reached Travel limits are indicated by encoder flag slot attached to the washer shuttle The 7 segment LED on the daughter board provides visual feedback to
129. l be sent from the Coprocessor to the Main board via the CSI O connection and then echoed by Main back to the PC using the serial port In addition to the commands originating from the PC Main and Coprocessor communicate to coordi nate a variety of functions This communication is transparent and the ChemWell can be treated as a unified instrument The only time when it may become necessary for the service technician to examine the CSI O connection is if the processors are unable to communicate at startup How to diagnose and solve this problem is covered in the troubleshooting section The Coprocessor board and the Daughter board should be considered one unit The Z180 microproces sor on the Coprocessor board directly controls the peripherals on the Daughter board by means of the bus interconnect The 26 pin right angle connectors directly tie together the data and address buses of the two boards 2 6 1 Firmware versus Software The internal software usually referred to as the firmware is responsible for the direct control of the mechanisms and other systems The firmware is actually divided into two parts one for each of the two Z180 processors inside ChemWell The communication between the processors is described above The firmware is programmed into two EPROMs UV Erasable Programmable Read Only Memory and installed on the two microprocessor boards The firmware Main is for the Main board 2900 100 and Cop for the Coprocessor 2
130. les they contain Inside the sealed box under the read wells is a rotating filter wheel and four photodiode detectors The filter wheel contains eight interference filters of various wavelengths and is speed controlled to approximately 3 rotations per second under software control While in motion as each filter passes in front of the photodetector an infrared optical switch triggers a sampling of the peak voltage by the Coprocessor board The four voltages are then fed to four comparators which each compare the sampled voltage to the output of an exponential capacitor decay circuit The pulse at the output of the four comparators enables individual 16 bit counters in two 8254 programmable timers The counts are read by the microprocessor and this completes the analog to digital conversion The photodetector output is proportional to the intensity of the light whereas the width of the positive phase of the comparator output is proportional to the absorbance The resistance across the log cap RC decay determines the base of the log 10 for absorbance and is used to adjust the low end absorbance calibration gain Another four potentiometers are used to adjust the high end absorbance offset of each channel WAVEFORMS MEASURED AT J4 WHILE READING BLANK AIR OME REY OF FILTER WHEEL 240 ms DURING READINGS Sample La Hold ligas 3 0mv l BASELINE HASH WAYELENGTH ANALOG PEAKS Home Figure 2 13 Waveform 2900
131. locked To check for blocked tubing do a visual inspection Grasp the tubing on either side of the valve body and gently stretch it If needed pull the tubing from the valve body Roll the tubing between your fingers and gently stretch it Reposition and test If still blocked see the section Valve Tubing Replacement See Appendix E Fluid System Schematic 3 4 Vacuum and Pressure Systems The pump requires no maintenance If the pump runs frequently or continuously while the instrument is not in use there is probably a leak Check the bottle caps and fittings Check that the tubing is firmly seated on barbs and all fittings are tight Turn the fittings only until finger tight Do not overtighten the plastic Luer fittings Check the operation of the valves to ensure they are closing completely If the pressure pump runs frequently or continuously check the bleed valve wash and rinse bottles and pressure system tubing for leakage The bleed valve must be completely closed while the pressure system is on If aspiration is poor or absent the exhaust filter may be clogged and should be replaced In the event that the exhaust filter gets wet due to a waste bottle spill it must be replaced for continued operation See the section Exhaust Filter Replacement If any valve is inoperative Note Tubing must be installed in the valve for it to operate correctly check inputs and outputs at U3G If the pressure vacuum pump is inoperative che
132. logy Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 107 Rev B Appendix E Internal Plumbing ONI LL T3AIMS JIONY LHOW ka asl ut f z H 31SVM JOYLNOD 3unss3ud i d 1N3IBAY gt lt wall 2 l S OIBOHdONQAH E l ie Qv3H HSVM T r i diNT4 31SVM G m S b 3ISNIH INA evan H9NOWL 31SVM Rogue E AVAL dii ee aint ISNA is q3318 li oS E z ANSI SEX L 3SN3dSIO ASNIY PES L i 3SN3dSld HSVM ls Beer aoe l WH k uh HSvM LH E d K 1 did HSVM l AAI L 5 e dno HSYM 380a H 3d JONIMAS JONIMAS l aunssaud ER mos qu sz 31033N diL 29094 i J109 u31dnoo 3A IVA V3Hs WST NOILISOd Z WWALSAS 1O3 LNOO Orr VidAH 0062 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of provid
133. lts to aAchemwell Enter the name of a new or empty directory here Do not enter the name of your ChemWell data directory here N Package File Name always defaults to a chemwell CWPack pck Enter the name of the file to be unpacked here e Press the button labeled Start CWPack will now process the packed file and put the files into the directory you specified When it is done the status window will report Unpack Successful N You may use the File Management functions within ChemWell to import the data files Additionally once CWPack has been run at least once you can double click on a PCK file from within Windows Explorer and CWPack will start automatically with the Unpack files option already checked 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 45 and the name of the PCK file already in the Package File Name entry In the ChemWell Export Directory box enter the directory name of your choice 3 1 7 Instrument Report With the computer connected to the instrument and the instrument turned on select Instrument Setup from the Setup menu of ChemWell Once the software has gathered the necessary information from the instrumen
134. mWell software will display this information in a self explanatory categories ex 2612 0 5 1 37 4 EF F w Next Rd none lt CR gt Lines beginning with a are error messages The three numbers following the asterisk will be the error code followed by a colon and then the text message Error numbers greater than 499 originate from the Coprocessor ex 001 Invalid number of parameters lt CR gt Lines that begin with a are additional information Returned parameters settings or configuration etc ex SERN 0000 CR Coordinates are always given in 100ths of inches 0100 1 inch The home position is 0000 Note Commands from the instrument will have a checksum inserted between the end of the string and the carriage return The Telix Mode window of the ChemWell software will normally hide the checksums but they will be visible if using a different communications program 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 49 3 1 10 General Commands 1 Repeat the previous command IINIT Initialize home all axes IHOME Initialize home all axes ISERN Show the serial number returns SERN xxxx POSI Display position of all axes ISTAT Display
135. moved this function can be used to force the index file to be rebuilt Resets all instrument parameters to last known values Instrument will then restart Use with caution Restores registry settings to program defaults See Registry section 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 48 Rev B 3 1 9 Available Tests Commands Commands listed below start with a followed by the four letter command code and any addi tional necessary parameters The line ends with a CR carriage return ex PLTM02000300 lt CR gt If the command is invalid an error message will be sent back If the command is valid the entire command will be echoed and the instrument will begin processing When the command is complete the entire command will once again be sent back but with the first character formerly a changed to a P ex PLTM02000300 lt CR gt A line beginning with a denotes a position report It will consist of the location of each of the 7 axes in the following order Rack 1 Rack 2 Plate X Plate Y Wash Z Probe X Probe Z ex 0200 0100 0225 0400 0001 1520 0050 lt CR gt A line starting with a is a status report The Telix Mode window of the Che
136. n the lamps off Display the filter voltages of the 4 channels at all 8 wavelengths Read row 8 wells nn strip 1 12 pd filters n of readings Read the specified well x strip A H nn strip 1 12 pd filters n of readings Display the filter volts at well position x strip A H nn strip 1 12 Take and store an air reading Read and store blank values x strip A H nn strip 1 12 entered for Channel 2 right rear all 4 channels all 8 wavelengths refer to error 523 Displays current stored channel blanks Go to the specified well x strip A H nn strip 1 12 Go to the specified well and dispense x strip A H nn strip 1 12 vvvv vol in uL s speed 0 9 Probe dispense level at plate height from well bottom to disp point Change Depth of well in relation to probe pppp new depth Max probe depth xxxx maximum depth over racks Go to the specified position in Rack 1 nn position number Go to the specified position in Rack 2 nn position number Go to the position in Rack 1 and aspirate nn position vvvv vol in uL s speed 0 9 Go to the position in Rack 1 and dispense nn position vvvv vol in uL s speed 0 9 Go to the position in Rack 2 and aspirate nn position vvvv vol in uL s speed 0 9 Go to the position in Rack 2 and dispense nn position vvvv vol in uL s speed 0 9 NOTE The above commands will be automatically translated by
137. n the photometer cover screws Doing so will bend the photometer cover and create light leakage Step 7 If the lamps were disturbed during the above operations Check that the lamps hang vertically down and are aimed at the screen and aperture holes If necessary refer to the lamp alignment procedure in the service manual Step 8 Replace the side cover Step 9 Attach the power cord and connect the unit to the mains supply Turn the unit on Send command IRFLT The displayed numbers represent the voltages of the installed filters All voltages should be between 2 and 10 volts Fill plate wells Al A4 D1 D4 with water treated with surfactant to create a curved meniscus on the water surface Install this plate and send command BLNKAOI to establish new blank levels 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 80 Rev B 4 8 Plate Carrier The ChemWell plate carrier is designed to be able to be removed for service from the plate mover assembly In the rare event that it becomes necessary to remove the plate carrier use a 1 16 hex key to remove the set screw retaining the 1 4 stainless steel guide rod Pull the guide rod out through the front of the instrument Cut away the tie wr
138. nd to turn it off send the command TOFF PLATxxxx example PLATO37 for 37 degrees will adjust the target temperature Software control is enabled for 25 37 C and off room temperature 3 10 Coil Temperature Control The tubing from the probe is wound in the coil block allowing reagents to be prewarmed before being dispensed to the plate The coil block is heated under the control of the Main board firmware to the specified temperature A change in resistance of the coil thermistor at J55 of the probe sense board causes the frequency of the oscillator U29B to change This frequency is fed into the 8254 U10 on pin 9 where is read by the software The temperature is calibrated via the trimpot R23 on the probe sense board See the section on calibration The drive to the coil heat is provided by one gate of the L293 driver chip on the probe Z junction board which in turn drives the 4 75ohm heat resistors on the underside of probe sense board The LED D11 on the probe sense board indicates that the resistors are currently heating To check the current temperature setting use the PARM command and locate the Coil parameter 0370 37C To check the current coil temperature send a STAT command The Telix Mode window will display the coil temperature in the top left status box To turn the coil temperature control on use the command COON and to turn it off send COOF 3 11 Probe Temperature Control The probe body itself is also
139. ne instrument maintenance and repair service No part of this manual may be copied or redistributed without the express consent of Awareness Technology Inc There is no transfer of technology copyright trade name patent trade secret or other proprietary right given or implied
140. ng routine instrument maintenance and repair services 3SN3S SAT Zug me is Senna Nili E m mer 1N3H 3803d 1V3H 1109 l j i soient N T souseran 38090 100 be ONO le ao T EU LION me x 1 180d ISL 191935 2 ISNJS Z as souo S IG v8l MS 40L S B A qy pe Nor S TES sy NIYA E ie Mon fep ern 001 0062 X vd JY NDAMU 3MA DL Aet mne LU ossa ELLLLEZZZLZZLZLZLLLULLPTAUIPPIZZIZZILILIAS Karna Nior iir axes sua z X 3 8ONd me PED M if gu oo aa YI ERL ec oaa a 55e oaaae N OP ATddS LLLLLLLL ALLL LLL ELL 7 Z PES 30 43MOd HAN ERA re n A 48 E NEN e z9 v8l G9 v8L Seni as QMVOB aya NLP A nue uem pmj H313A010Hd N313A010Hd ss SE vd S dd S3sn19 x ELEGE NOILONAS TEE EA exer rad OO f Q OPZZ S n IO O T Oo x A a inaj cond 9 v8l NOLOM t 031 O10Hd 133HA As 10154 C YILT Ke e AlddNs un 43M0d gt L94781 hag ns YOSS 2 0 0407 Un 002 0062 n NC w
141. nology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 12 Rev B 4 5 Photometer The instrument incorporates solid state electronics in a very reliable field proven design If you expe rience problems please contact the manufacturer photometer assembly amp chassis mount lamp cover box l 4 lamp terminal blocks i i forced air lamps ventilation ISP e d na iffusers t aperture block sample plate channel block filter wheel motor helt mounting supports filters filter wheel photometer to mount retaining screw photo detectors peh cover box filter wheel belt mount to chassis attachment screws Figure 4 5 Photometer Diagram 4 5 1 Photometer Output Check Go into Telix mode and enter the command RFLT All four channels should have 2 10 volts on all wavelengths If any are less than 2 volts consult with the manufacturer Never adjust trim pots on the Coprocessor PCB to achieve the proper voltages 4 5 2 Lamp Replacement The lamps should not be handled with bare hands Any oil from your hands will cause the lamp to burnout and fail Install the new lamp in the place of the bad lamp You will have to trim the wires of the lamp to make it fit Match the bend of the o
142. of providing routine instrument maintenance and repair services Rev B 85 especially careful not to kink stretch or tension the tubing The replacement tubing should be routed in exactly the same place as the original Mounting Screws Valve Body ana a a Valve Pinch Tubing Bracket Do not loosen these screws The adjustment Plunger will be disturbed and Solenoid and the valve Spring may not operate properly Figure 4 10 la Wash and Rinse Dispense Valve Tubing Replacement Pinch Valve mg Do not loosen these screws The adjustment will be disturbed and the valve may not operate properly Figure 4 10 1b Bleed and Control Valve Tubing Replacement Combo Block Tubing Retainer Solenoid 4 10 2 Wash Dispense and Rinse Dispense Valve Replacement 1 Set the power to OFF 0 2 Refer to Figure 1 3 12 4 10 and 4 10 1a Locate tubing and valve of interest in diagrams Note where valve tubing make connection with fittings just above the valve and disconnect tubing 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 86 Rev B 3 Remove dispense valve mounting screws from the valve needing replacement 4 Unsolder the wiring from the original solen
143. oid and resolder to the replacement solenoid 5 Install replacement valve by installing the mounting screws 6 Cut the replacement tubing to fit Replacement valves are preadjusted and do not need further adjustment T Reconnect the tubing to fittings Push the tubing over the fittings until seated Be especially careful not to kink stretch or tension the tubing The replacement tubing should be routed in exactly the same place as the original 4 10 3 Bleed or Control Valve Replacement Note Bleed valve must be continuous duty type solenoid and will be marked CONT l Set the power switch to OFF O 2 Refer to Figure 1 3 12 4 10 and 4 10 1a Locate tubing and valve of interest in diagrams Note where valve tubing make connection with fittings just above the valve and disconnect tubing 3 Hold the solenoid plunger away from the valve tubing as indicated by arrow and remove the bmg Dy puling through Opening Do not loosen these screws The adjust ment will be disturbed and the valve may not operate properly Tubing Opening Replacement Mounting Screws Figure 4 10 3 Replacement Bleed Valve Mounting 4 Remove the two screws which secure the defective valve Replace with new valve assembly by securing the assembly with the two supplied replacement mounting screws and lock washers Replace ment valves are preadjusted and do not need further adjustment 5 Cut the replacement tubing to fit 6 Hold the solenoid
144. on the external probe The Telix Mode window will display the temperature under Ext whenever a STAT is received or send XMPT0060 to see external probe temperature displayed for the next 60 seconds This probe is mea sured in a similar manner as the plate thermistor using the amplifier U17B and calibrated at the factory via trimpot R23 on the Daughter board Also see section External Sensor For calibration see 5 3 External Sensor 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 62 Rev B 3 14 Serial Port ChemWell uses a standard RS 232C serial port to communicate with the computer The provided cable is a standard null modem cable which crosses the RX TX receive and transmit and CTS RTS clear to send and ready to send lines The CTS RTS pair is used by ChemWell for handshaking The DTR DSR pair is not used Communication is at 19200 8 N 1 For more information see the command list Figure 3 14 Cable Diagram The instrument s serial port must be connected to the ChemWell computer software for normal opera tion If the instrument emits a triple beep at startup this indicates that the instrument is unable to con nect to the PC If the communication times out t
145. oordinates in the status window of well AQ1 Write these down Next type PARMAXxxxx where xxxx is the plx parameter taken from the status window Next enter ply parameter using the command IPARM4Yyyyy You have now established the center point of the index bracket search windows These parameters will be used to determine the search range before a x and y slot error is generated in the event the index slot is not detected 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 92 Rev B 6 2 Rack 1 Rack2 Aligning the racks Select either Align Rack 1 or Align Rack 2 from the Instrument Setup dialog When prompted remove the rack and select OK The probe will move to the alignment point on the rack as shown above right Use the arrow buttons in the setup dialog to move the probe and racks The double arrows move a large distance and the single arrows will move a smaller distance The red arrows will move the rack in and out of the instrument the blue arrows move the probe left and right and the green arrows move the probe up and down When you move either the rack or the probe the instrument will automati cally raise the probe To lower it again use the bu
146. options Power Voltage Range Frequency Range Power Maximum Installation Category 21 1 44MB 3 1 2 disks Windows 95 98 Windows NT 4 0 or Microsoft Windows 2000 Professional Beta 3 486 66 8MB RAM 20MB free HD space VGA monitor serial port Windows 95 98 or Windows NT 4 0 Pentium 16MB 20MB free HD SVGA graphics and moni tor serial port Windows 95 98 or Windows NT 4 0 Patients Quick Job Job Setup create edit protocols import export assays data etc Control Run Setup absorbance single standard factor fixed time kinetics kinetics by standard or factor multi calibrator point to point linear regressions log logit absorbance cutoff and more lamp bottle volumes filters pressure vacuum mechanical function and more store control data print Levey Jennings or QC range plots calculate SDs 100 250VAC 50 60Hz 160W CAT II Enviromental Conditions for Safe Operation Indoor Use Altitude up to 2000m Temperature 5 C to 40 C Humidity 80 for temperatures up to 31 C decreasing linearly to 50 humidity at 40 C Mains supply fluctuations not to exceed 10 of the nominal voltage Recommended Enviromental Conditions Recommended Operating Temperature 18 35 C Recommended Operating Humidity CE Marked less than 85 Although it may be safe to operate in these conditions it may not be suitable for the performance of your tests Check with your supplier 2900 Seri
147. ose of providing routine instrument maintenance and repair services Rev B 3 Plate Mover PCB 2 of 2 X 3L1V ld i AUF uP Hn dn LNAOD Ad11Nd HE 421 CABLE FROM THE PLATE MOVER INTERFACE Connects to J95 26 PIN RIBBON BOARD 133 16 17 22 23 JPXC 24 25 26 HTSW PTHI THRET LJPLHT JPYH CN gt Pr ao N OO o Cx ne be sala CO l zm Zz l5 QJ w R5 ja S lz O a o a au 2E J 58 DE lt 95 ul g 88 L e o c Ll jou e ccu N 65 D B L2938 L sov u22 TORQUE RES START STOP 12 TDA7275A MOTOR 1 2 3 4 L PYM1 PYM PULSE CTRL REG CTRL A B R53 NAVV 100 L2938 L3 6 R54 JSHK 12V R52 N 100 Speed Resistor JPYS JPXS CW 100 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory Oauthorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 3 134 Plate Mover Interface PCB 1018 X
148. p fails completely To check for low lamp refer to the service procedures section Photometer Output Check Section 4 5 1 If all or most of the voltages are low for a particular channel and not for other channels or for all channels the lamp alignment is the most likely cause If all voltages are low rule out the power supply by measuring the voltage at the lamp terminals If the lamp voltage is lower than 6 0 VDC power supply 2 or the wiring from it to the lamps may be a problem Otherwise refer to the section Lamp Replacement paying particular attention to the lamp alignment instructions Never adjust or manipulate the trim pots on the coprocessor PCB to achieve the proper filter voltages Doing so will destroy the calibration The four photometer channels the filter wheel count CNT and NMI and filter wheel home FHOME all originate in the photometer mechanism The photometer PCB contains four photodiodes and very sen sitive high gain op amp circuits Two phototransistors are positioned to see through the home and indexing holes in the filter wheel The exciter for these transistors are 2 LEDs located on another small circuit board on the opposite side of the wheel outside the cover box Because the photodetectors and related circuitry is solid state it should require no service Do not attempt to modify the photometer PCB Channel 1 read site is located under the lamp that is toward the front right Viewed from above channels 2 4 are loc
149. plunger away from the valve bracket and insert the tubing between the plunger and the bracket while routing the tubing through the holding slots in the valve bracket 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 87 T Reconnect the tubing to fittings Push the tubing over the fittings until seated Be especially careful not to kink stretch or tension the tubing The replacement tubing should be routed in exactly the same place as the original 4 11 Washer Head Mili Ie Wash o Drive Screw Plate Mount sa T Motor Belt I Figure 4 11 Washer Diagram Clogged Head See Incomplete Aspirate or Dispense Clogged Tubing Take tubing between fingers and massage material loose If needed gently exercise tubing till clog is released If you are unable to release material see tubing replacement Noisy Drive Screw If you have an aluminum drive screw rod it will squeak loudly if it needs lubrication Apply a small amount of lubrication gel included The neoprene drive belt which couples the probe motor to the probe
150. providing routine instrument maintenance and repair services Rev B 93 2 Aspirate tube must not touch back side wall of 1 Aspirate tube must be as Figure 6 5 Washer Alignment 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 94 Rev B Appendix A Parts Chem Well Replacement Parts amp Accessories Description Part No Accessories Laptop Computer 2 3 BD neuter riinan Call Software Upsrad S diese oce i Qe a aedes tp dci ciu a MX Call UPS Uninteruptable Power Supply Call Belts Belt Plate X MOVE esce teetec tee tette titer 132050 Belt Plate Y Mover seriste eene 132051 Belt Probe X Movet fete vet atecetevt h 132049 Belt Probe Z Moyen enis feeds vesheg eda eee ees 132063 Belt Rack Y MOVeE o cre tti tics ei ete ee Ce reet tds 132064 Belt WasbeE i eei eroe tveehes e eie beetles 132063 ORD AM E A SEa R 132055 Cables Serial Cable From Computer to Chemwell 104460 Additional Cables trt ret ete eii Call Covers Aerosolshield ise eive T eor eieE 990101 Plastic Hinges Set E 2 v segs nati mesi iststeedisceisn ied saat 188130 ChemWell Hood Label ssseeeeeenenee
151. r Probe Z is jammed The motor stalled while the instrument was attempting to move the probe in the Z direction Check for mechanical obstructions or broken belts Check motor driver U27 and associated logic Check the sensors Make sure the transistor and LED are aligned Probe X axis is jammed or Probe X is jammed The motor stalled while the instrument was attempting to move the probe in the X direction Check for mechanical obstructions or broken belts Check motor driver U23 and associated logic Check the sensors Make sure the transistor and LED are aligned Rack 1 is jammed The motor stalled while the instrument was attempting to move the rack 1 Check for mechanical obstructions or broken belts Check motor driver U22 and associated logic Check the sensor Make sure the transistor and LED are aligned Rack 2 is jammed The motor stalled while the instrument was attempting to move the rack 2 Check for mechanical obstructions or broken belts Check motor driver U22 and associated logic Check the sensor Make sure the transistor and LED are aligned 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 54 010 011 012 013 014 0 5
152. r located at the chassis end of the ground wire Leave the two individual RED wires going to the lamp assembly attached Remove the white corrugated air tube by pulling it from the gold colored tube coupler plate located on the instrument s back panel Step 3 Locate the white slotted cap screw retaining the photometer to its mount Turn the cap screw until you can remove the threaded shaft Remove the photometer by sliding it out the side Note DO NOT REMOVE THE RED LAMP WIRES from the photometer Removing or altering other parts of the photometer will require the unit be realigned Do not move the lamp or the lamp bracket Step 4 Turn the photometer over so the three screw heads are facing up Remove the 3 6 32 screws retaining the photometer cover Set the photometer cover aside Remove the 4 4 40 screws securing the pho tometer PCB Hang the PCB to the side Note Do not touch the components on the PCB especially the photo diodes and their windows Do not let the filters get dirty dusty or contaminated Note the orientation and position and in the case of filters the wavelength of anything removed Remove the drive belt from the filter wheel Using the blade screwdriver loosen the filter wheel shaft 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole
153. rmittent duty valve which regulates the pressure in the wash and rinse bottle When energized the valve closes causing pump pressure flow to be diverted from ambient into the check valve and into the bottles and sensor The bleed valve allows the instrument to relieve pressure during standby and when power is removed The bleed valve is a continuous duty valve also controlled via U3 and is continuously closed during any pressure cycle It also serves as an emergency pressure relief valve in the event of power failure or microprocessor crash and opens when pressure is no longer required such as in standby or when timed out A check valve oriented to allow flow to the bottle side only assures that the pressure is maintained on the bottle side of the system Pressure is sensed by the circuit of P2 and U8 Pressure build up occurs in the wash and rinse bottles simultaneously producing positive wash and rinse fluid pressure in the wash and rinse lines of the system see Appendix E Two intermittent duty valves called the Rinse Valve and Wash Valve which are normally closed are pulsed open via U3 on the Daughter Board The valves are used to regulate the flow of rinse and wash fluid to the washer head by precisely timed openings When the control valve is open to ambient and the pump is running the pressure will not change and only vacuum will be produced by the pump The vacuum side of the pump is connected to the waste bottle Vacuum is monitored
154. robe performs a self clean periodically while the probe is idle Keep hands away from the probe at all times if instrument power is ON 1 If the waste bottle is overturned during operation immediately set the power switch to OFF 0 If the hydrophobic filter becomes wet due to an overturned waste bottle it will be blocked Continued use of a blocked filter will impair washer effectiveness and or result in damage to the instrument The wash and rinse bottles are pressurized during normal operation Do not remove bottle caps or tubing connections while the bottles are pressurized Turn off the instrument before changing bottles adding more solution or tubing connections 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 3 Solvents such as acetone or thinner will damage the instrument Do not use solvents to clean the unit Avoid abrasive cleaners the aerosol shield is liquid resistant but is easily scratched The exterior of the instrument may be cleaned with a soft cloth using plain water If needed a mild all purpose or non abrasive cleaner may be used A 10 solution of chlorine bleach chlorine bleach 5 25 Sodium Hypochlorite or 70 isopropyl alcohol may be safely used as a
155. roviding routine instrument maintenance and repair services oo oO ano pE d j DLE Im Loc A91 0089 L Le 822 85677 TO Saved sf 331H9nvQO NOYA AZIS YIMOd 3MIM Z y 8 1 m 6 YOLSINYJHL JLYTd NOILVIS T ga CH Tang ZAM IW Z SZ L 8 6c1 4 IHISP THIS E AH ide iHld x 138HI i Ea Zz L JMP y ZAM LAM 9 Skat ae H df a Ex o JAJI ZWd i TWAd al REGI s P axar 8 3Xdf et auvoa EITE 3iH9nva WOXI TAXd sl NOBSIM Nid 9Z T Hy HSVM A J1Vld X 31V d QHVO0S NOILSNAP H3AON 219 Td e ea gt oO c gs E oA 25 AN AS Q E a uud Oz IMP Oty IN Ofe Er e any 7 LHC3E re SOLON HEB xu Y ar QYJH HSVM b z Nvidi d j AUS NY4 div 7 a LNVLSNOO b T 1v3H 038 Lid Oy AIS T Aa Cara LTTE D Q3HOLIMS Opts s ivid 039 Lia OATES vir ea oO A La o S ei 8 e S A Q4aLIGIHOYdd AT1SS38dX3 SI NOIL vOI Tang GIZIMOHLAVNA 271 God NLONG S33AON FLV Id 3006c ASO TONH JL SSJN34VMV 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purp
156. s uoneidse JATHA ISN IH YOSNIS WNNIYA N Lak 11371990 1081H02 JI T vV40AH 0062 Quvos uaiH9nva L 9 uoswas aunssaua Quvoa uaiHonva OINSSOId uonong Figure 1 3 12 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 17 Syringe Pump Figure 1 3 13 Photometer lamp cover box forced air ventilation hose diffusers aperture block sample plate channel block block leveling screw filter wheel motor belt filters Eae tee filter wheel eC supports photometer to mount photo detectors soumis Screw mount to chassis attachment screws Figure 1 3 14 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 18 Rev B Bottle Set Sensor Cables Nut Hydrophobic Tubing Filter Figure 1 3 15 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in t
157. s Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 11 Rack Y Mover Rack Junction PCA Switch ET TL Reagent Rack Motor e i Figure 1 3 7 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 12 Probe X Mover Serial s 2900 1001 to 2900 1013 o Mounting Probe Z Calibration Belt Home Sensor o hdi 4A qs S uz N i e O iz i NS iz XL l ig OG ia a S Encoder Wheel Reader Serial s 2900 1014 to current Probe Z Calibration Belt Home Sensor 2900 Series Service Manual Mounting Rev B Encoder Wheel P e Reader Figure 1 3 8 1999 Awareness T
158. s to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 3 122 Coprocessor PCB 3 of 4 000HvZ 009HvZ LENS 002HrvZ 002HvZ SHS S l a 92n ed 2 9zn IEH 7 3 TZ T l AL 6 FLM AN NViT H6 gov 06 0v H YSPZOHDL 8l fidd 4 99 sy z za 7 YLE 00v HLND 98 9v Iv IL ZINI sa EME 0 1 a rv NM ca tv ZINJ g za E TINS i8 IS Cidd aid osr L n zs Hom T OL uw ea VSPZOHPL 98 8v 00 Re vile eed 7 MET sv 1a a 8 US gq a YN YU 9 zo 3H c8 Ky so i8 Zv 90 R cq fig vs Zd ov aah auvog sa 3e 431H9nvO OL t gg 8en 32v 493 INI L za HASA aaa sire y Q3LIGIHOdd AT1SS34HdX3 SI NOIL vOIrTdnd 032 0HinvNn YOSSFIOddOI 006Z 300c 006c AIO 10 HO3L SSJNJSVMY 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 123 Rev B 3 Coprocessor PCB 4 of 4 qno QN3 t t t a 619 Y U v T
159. sodund 2105 ay 101 pasn oq 01 sr pue ouuosrod pezuoyNe K10 96 Aq asn JO pojorso1 St enueui sy ur uag uoneuroju poiqrngoud Apornys sr uoneorpdnp pozuoymeun our amp So ougoo ssouo1eAy 66610 Model 2900 Luer Fittings A S indicates minimal stock for repairs Reference Descriptions Part Number versus Color uses White Black Blue Red Green Yellow Locking Nut A Luer Locking Nut 137030 137027 137028 137029 137026 137025 B or Luer Cap B Rotating Luer Lock 137012 137011 Rotating C Male Luer 1 8 Barb 137122 137135 137128 137127 137129 137134 Luer Lock gt C D Luer Coding Rings 137119 137115 137117 137118 v 137114 137116 H3 ler A E Female Luer 137102 137107 137106 137105 rdet d Bulkhead 3 32 Barb S 3 D z F Female Luer 137101 137108 137104 137103 Bulkhead 1 8 Barb e E G UNF Female Luer 137126 137124 10 32 thread large hex Coded Ring I Nut for Bulkhead 121961 E F 1 4 28 Thread Lm J Flat Washer Nylon 121952 1 4 ID Female Luer Bulkhead g yJ 2 Notes Barb connections are 1 8 if clear vinyl tubing 3 32 if silicone tubing G dm w Reference uses A B and C are for external tubing bottles and head D E G H and I are for panel bulk head G is for the wash UNF Female head Luer Rev B Parts by Sub Assembly Aerosol Shield Clip 1 3 tubing with Adhesive 137057 Bottle Set Luer male cap yellow 137025 Luer male cap green 137026 Luer male cap black 13702
160. strument 3 8 Photometer The photometer consists of a mechanism with electronics and additional calibration and analog to digital conversion circuitry on the Coprocessor PCB It can be divided into several component systems e Lamp lamp terminal blocks related mounting hardware brackets and adjusting screws Photometer PCBs for light detection speed and position sensing Filters filter wheel drive belts pulleys and jackshaft and filter wheel motor Electronics photodetector high gain amplifiers buffers gain of 2 amplifiers sample and hold log ramp generator voltage comparators counters NMI clamp The lamps are custom tungsten filament xenon gas filled lens end bulbs rated for 6V operation and consume 6W each They are intended to be maintenance free for many years since they are turned off automatically during periods of instrument inactivity However under heavy usage the lamps remains on for longer periods and may require replacement as the output becomes low near the end of its service life This is also apparent by the blackening of the glass envelope A physical shock to the instrument may necessitate lamp replacement due to filament breakage The lamp terminal blocks and lamp guide hold the lamp in alignment with the rest of the assembly The brackets provide adjustments in horizon tal dimensions so that the filament can be centered on the light path The lamp must be replaced if output becomes low or the lam
161. t be crossed or touching each other Wheel is not rotating Check for NMI interrupts at the processor Pressure not building rapidly enough check valves bottle caps and tubing No vacuum detected check pump and tubing Wash head aspiration check failed Vacuum changes 5 inches when aspirate tubes make contact with flat sur face Check pump tubing and wash head Vacuum level too high gt 10 inches Hg Check for ob struction in the head or tubing Plate X registration slot not detected Check sensor at X LED on daughter board Plate Y registration slot not detected Check sensor at Y LED on daughter board One or more of the lamps is not operating correctly Channel Blanks are not valid Blanks have been reset Load wells A01 D01 D04 and A04 with 200uL of uncolored wetted solution such as blanking solution provided and run the command IBLNKAOI 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 56 Rev B 3 3 Valves Make sure power is off Each valve uses a short length of silicone tubing Tubing may self adhere or become clogged with dried residue from fluids If the valve operates but no fluid is dispensed or aspirated the valve tubing may be b
162. t the Print Report button will be enabled This report displays several vital statistics regarding the instrument and the configuration stored in the computer For an explanation of these functions see the following Communications ComPort the name of the port ChemWell is using Usually COMI or COM2 ComSpeed should always be 19200 Handshaking should always be 1 Settings AirPlug This is the size of the air gap in microliters that is aspirated following a pickup luL is the default and should always be sufficient DispenseHigh The is a height in counts relative to the bottom of the well This specifies that position at which the instrument will dispense when Dispense High is specified in the sample protocol The default is 42 DispenseLow The is a height in counts relative to the bottom of the well This specifies that position at which the instrument will dispense when Dispense Low is specified in the sample protocol The default is 35 LevelDetectOffset The level detect offset is used by the software to account for the difference between the detected liquid level and the actual liquid level The default is 0 and should not be changed MinSampleDispense This is the minimum amount that will be dispensed including push volume The default is 5uL MixExtraTime This setting is no longer used MixSpeed This setting is no longer used PrbZAspirateFactor When aspirating from a bottle or vial the software calculates th
163. taneous counts should be approximately the same 3 and in the range of 2 3000 Verify that the probe connection to the heat block is secure and that the probe is free of obstructions by performing a WPRB command Junction Board Heat Coil Block Connector Probe 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 67 4 2 Bottles 4 2 1 Clogged Tubing Locate clogged tube Take tubing between finger and massage debris loose Also see Tubing Replace ment 4 2 2 Bottle Sensors Make sure wires are straight and not touching The plastic spacer located at the bottom of the wash rinse wires should remain there providing the wires with a guide 4 2 3 Hydrophobic Filter Replacement The filter that removes contaminant particles from the exhaust of the vacuum pump must be replaced if clogged or damaged If the Aspiration Failure error message appears or if the instrument takes longer to get up to pressure the filter may be clogged If the waste bottle is overturned and the filter gets wet the filter must be replaced To replace the filter 1 Set the power switch to OFF O 2 Release Pressure from bottle set by loosening the lid on Wash and or Rinse bottles 3 Pull the tub
164. ted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 84 Rev B 4 10 Valve and Pressure Pump Anatomy Rinse Wash Pressure Bleed Valve Valve Valve Valve Figure 4 10 Valve and Pressure Diagram 4 10 1 Valve Tubing Replacement The silicone tubing used in the valves may become clogged or worn with age If this occurs the tubing should be unstuck cleaned or replaced Try holding the valve open and pull the tubing to reposition the clamping to another section of tubing To replace tubing 1 Set the power switch to OFF O 2 Refer to Figure 4 10 Locate the valve to be serviced 3 Note the relevent end connections and location of the tubing within the valve 4 Refer to Figure 4 10 1a and 4 10 1b Pull back the pinch bracket and remove the valve tubing from the valve body 5 Disconnect the valve tubing from the fittings at both ends 6 Cut the replacement tubing to match the length of the original Jd Install the replacement tubing to the valve body Push the tubing over the fittings until seated If you have trouble sliding the tubing over the fittings dip ends of tubing in isopropyl alcohol Be 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose
165. ted to the pumps and J10 24VDC powers the internal lamps The three connec tors J50 J51 and J52 provide 12VDC 5VDC and two grounds to each of the three main boards The 5V supply should be between 4 9V and 5 25V and the 12V supply between 11 5V and 12 25V depending on the current load The second power supply is turned on and off via the relay junction board which controls the AC input power using a 12VDC relay The relay is controlled by a ULN2003A U9C driver on the Coprocessor board This second supply provides the lamp and photometer operating voltage The lamps are wired 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 32 Rev B directly to this supply to minimize voltage variation Lamp supply voltage is approximately 6VDC This supply also produces 14 15VDC which is routed to the Coprocessor board at J6 Components VR2 VR3 C37 and C39 regulate these voltages to 12VDC which are used to operate the photom eter circuits See Principles of Operation of the Photometer for more information 2 8 Watchdog Circuit All valves motors and pumps are powered through the major boards The Main board provides 12 volts through an IRF9530A MOSFET Q14A which is in turn
166. the syringe counter clockwise until it can no longer be turned without great effort Periodically check to make sure that the syringes are tightly held as any looseness or backlash will effect the results of the pipetting Do not remove and clean plunger of syringe Doing so will require replacement of entire syringe Figure 4 9 2 Syringe Pump Diagram 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 83 4 9 3 Fittings Tubing fittings etc ChemWell tubing is 18 GA standard wall TFE for the feeder and syringe interconnect lines Fittings are 1 4 28 and are made of Delrin Tubing is flared at the ends and an o ring is used with the fitting to compress against the flare to make a water airtight seal Never overtighten the fittings this could dam age the seat of the valve or strip the threads of the fitting or T connector and cause an air leak Fittings should be tightened by hand only Should the tubing become excessively kinked or the o ring or fitting becomes damaged it will need to be replaced 4 9 4 Repair Tubing The general procedure for replacing the tubing is as follows 1 Cut the length of tubing necessary for the job Feeder Line 18 GA SW TFE 3 5 feet 1 07 meters
167. the Plate heater LED D15 currently not in use LED Display Board Main Running Rack 1 Home Rack 2 Home Probe X Home Probe Z Home 1 1 L 1 L 1 Rinse Dispense On GG L 1 1 C C L L 1 Wash Dispense On i L y Pressure Valve On Coprocessor Running Plate X Home Plate Y Home Washer Home Bleed Valve On 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 43 3 1 3 Reports The ChemWell software includes a number of functions intended to make it easier to diagnose prob lems in the field For example there are several files and reports which the end user can send back to the service center At the top of every report printed by ChemWell is a message in the form ssss v vv bbb xxxx yyyy ppp ddd SSSS Instrument serial number V VV Software version number bbb Software build number E See note XXXX Main firmware revision yyyy Coprocessor firmware revision ppp Primary filter if the report is for a a single assay ddd Differential filter if the report is for a a single assay Tf aset of parenthesis with another v vv and bbb appear you are viewing a data file with a different version than the data file was created under
168. the service technician of the tach pulses and home positions The plate mover junction PCB contains the motor drivers and connects to the daughter board via a 26 pin ribbon cable The daughter PCB holds the index pulse buffer and limit logic 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 35 2 10 Plumbing 2 10 1 Pressure and Vacuum Solid state sensors P1 and P2 on the Daughter board are amplified at U6 and U8 and time division multiplexed via U9 into V F convertor U14 then measured at 8254 timer U2 This provides feedback to the microprocessor for coordinating pump activity and displaying measured pressure and vacuum levels The vacuum pump is driven by U3 and MOSFET Q2A The valves are driven by U3 and U15 2 10 2 Pumps and Valves Refer to Figure 1 3 12 for pictorial and Appendix E for Fluid System Schematic diagram A dia phragm pump and valves under microprocessor control via the daughter PCB are switched on and off to generate pressure or vacuum as necessary Two electromechanical valves the pressure control valve and the bleed valve are used to control and maintain the pressure in the system s wash and rinse bottles The pressure control valve controlled by U3 is an inte
169. ther lamps Next you will have to align the lamp The tip of the bulb should point straight down The light should project straight into the photometer Retest the voltage using the RFLT command A lamp should be replaced only if it fails to light Contact your distributor if filter voltages are reported as low Materials and equipment Replacement lamp Phillips screw driver Flat blade screw driver Procedure 1 Set the power switch to OFF O Open the instrument refer to Figure 4 5 and open the lamp cover 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 73 CAUTION Lamp is HOT Allow the lamp to cool before handling 2 Refer to Figure 4 5 2 a and b Lamp Replacement Loosen but do not remove the lamp termi nal screws Do not loosen or remove any other screws Remove the lamp by lowering it out of the connector 3 Use a pair of pliers or tweezers to handle the new lamp Avoid handling with bare skin since the oil from your skin can reduce lamp life Insert the lamp leads into the connector until they bottom out The lamp lens end must be centered on the aperture and the lamp body must be perpendicular to the horizontal While holding the lamp in alignment tighten th
170. ttle The instrument detected a full condition on the waste bottle If waste bottle is empty dry waste cap at terminal entry points Check sensor lead is plugged in properly Check the sensor lead for shorts Wrong cap has been used Make sure the cap with the short wires is inserted into the bottle and closed snug Wash bottle is empty 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 5 4 15 516 517 518 519 520 Ke 522 5523 Rinse bottle is empty Filter wheel error Pressure system error Vacuum system error Possible Aspiration failure Vacuum over range Y slot not detected X slot not detected Lamp X Failure 55 Wash Rinse Bottles are low The instrument detected an empty condition on the wash or rinse bottle If the bottle is full check that the sensor s lead is securely connected to the bottle cap and plugged in properly Check the sen sor leads for continuity Wrong cap has been used Make sure the cap with the long wires is inserted into the bottle and closed snug The black plastic separator should be at the bottom of the wires and the wires should no
171. tton showing the probe being lowered Click Done to save the new setting or Cancel to keep the old one 6 3 Dispense Aligning the dispense position Select Align Dispense from the Instrument Setup dialog Insert a plate or strip tray into ChemWell when prompted then select OK The probe will move to well HO1 and lower into the well The probe tip should be roughly centered in the well and touching the bottom Use the arrow buttons in the setup dialog to move the probe position if necessary The double arrows move a large distance and the single arrows will move a smaller distance The red arrows will move the plate in and out of the instrument the blue arrows move the probe left and right and the green arrows move the probe up and down When you move either the plate or the probe the instrument will automatically raise the probe To lower it to the bottom of the well again use the button showing the probe being lowered Click Done to save the new setting or Cancel to keep the old one 6 4 Wash Cup Aligning the wash cup Select Align Wash Cup from the Instrument Setup dialog The probe will move to the center wash position and lower into the cup The probe tip should be roughly centered in the small center wash cup with the tip beneath the surface of the water in the cup Use the blue arrow buttons to move the probe left and right and the green buttons to move the probe up and down The double arrow will mov
172. two 6 screws which are used for providing additional support and leveling the lamp bracket These screws should be firmly touching the underside of the lamp bracket To adjust them remove the lamp bracket and loosen the hex nut at the leveling screw base and turn the screw the necessary number of turns to level or provide support for the lamp bracket Retighten the hex nut when finished 4 5 4 Exhaust Fan To control the amount of heat generated by the four xenon lamps of the photometer the lamp housing of the photometer is coupled to a fan located to the right of the machine by a 10 length of corrugated PVC tubing The tubing is held in place at the end by fitting a corrugated ridge into the fan coupling and 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 75 from the ChemWell at the fan coupling in the rear first When replacing the lamp cover seat the cover on the lamp bracket taking care to route the red lamp power wires through the exit notch in the housing Replace the tube in the fan coupling by pressing one of the tube s ridges through the hole in the cou pling until it snaps into place Do not press more than one ridge through as that may interfere with the motion of
173. ument maintenance and repair services 140 Rev B 3 Main PCB 5 of 5 SuOSH3S ONY YOLON X 78094 Ol SYOSNIS X YOLOM Z 19094 Ot u30v3H Txt H10Y1n Zxtl ul eo o1 F m 2I a a tt z m ie O M E wd e O JO T C o on Ost m CT v j u re ex z w bel I DE wl my oy ep eto ot o tx OM 2 2 Zl uw nm WL L H e E E rd Bs eed lace o z of Zl w ojs z w x x al w lal2 2 iz m ele oj m L al Oo ol Sl wl El Q c Q z c m mjojo 31S 2 QI WI Q Sl a e Ql a al v l w Gi z t x Ao oj lwll GI G Tol wl lt Nl gt l 5 z ial eus E mal of oj dl wl Z els D am gt p C Zl ji v oj l Of a Of wu 52 aw Gl GI Ql Gl ej al of a aS a o Oa o j e o al l l n of 9 al e rl of m e 9 MEE N ss E ex 7 9 a L eI aloo 2 2 d E x z 5 EXPRES 900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 3 141 Rack Junction PCB 1 of 1 gt gt E ex we 25 2 X zig x 2o e coo e ao lt x x x a o a o S C a at o E C ws o yo 2c OL ou xt es x z Q Q 000 QO Q N m bud wo 10 n ao are e La u W o L ea tebar gt SI
174. used for the sole purpose of providing routine instrument maintenance and repair services CTLOHPL EZLOHYL iud qno Nd Et ara y en 1x39 zz T 480049 1x39 S13 30027 ea 3 ZNI Xu 3 2N3 o Iu x 70 2 dz PEHI En 79 afer v 8n um gt 1 oO d 5 1924 e V y Wc 2398 x BT e z pou pA 779 c1 anlo 8 8 g INH IR 9 ames Y UNS x N PL ar zia aCe Iz ua 20 9 SNU v SNa 8 10 Hs v tvIn us S1NIOd 1531 Ot NOH P vc0gZN In WOH z 38084 Toi Z8 1Nn02 1N 02 i E varg amp AIVA L AIYA 9 G YL E 3 0H X 39094 le Hxu d 2 NS 3 9in am OH Z ava l g HOO INNOD t INNOD Hz Z 380Ud x 29099 vcogzun 3AOH L nova Z AERA y MW CIS v Ton za 8 cN3 a 9in INNOD Z adva TS 0319354 7 ANNOD 1 MOVE s Ja S r L Z LJ i1 Z INNO x 29094 y zX8d Zi T a Aes He EEN 9 S 6 irr INNOD X 29094 ZN 7794 vloHvL S Om S y O8ZNIN q an 3AO0H Z 380Ud 2 mla g WW T 8 di S NN 294 aunON9 JOTWNY L Q ZNY H 91N Q 1NH m vEOgzNan 9 AZZ gt T so nu Hos 3 5N3 YEN v 9in AGt um om a 0310387 A YKOSZN In at poen E S Z Ove ova E ELE Z uh z 9r eyy Lv Y ZNHU g gn TEE ze f Al N Xd anr erna 1 5 VEOBZNIN E Ova 3WOH 3NOH L__ 6 AW E lt HX d AZE Z 390 d
175. uthorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Rev B 3 130 Fe NZ eza au E Ae OL i NZ um Sty sza oga t8 Bla C Sxnn e C eXnvi e AL A01 aL 0L aL MOLSINYSHL 921999 7 301 S 19094 dW3l e oz NOISIME3HI 31v Td 2 a E 8 4 v 02n y n T T 7 386 396 Lzy I T vu Av 9 10 o Kd E 9z cr C2 712 E Es KT ld 1V3H N3INNVO THI Seg ez er a sin 32vf380ud g YEOOZNTN d 1v3H 31Vd THTd c oi ye or BEH wyo OGI yM iz g wud OSL 3 OFNA NMOQ 0920 HSVM gr dn Qv3H HSVM ET Q OPNY ld JM v r wyo OGI C LNNOD HSYM AW zz sr dozy ord w40 OSL 3SN3S dOL IND SSNY ANN DR p e JSN3S NOL108 8 GGNH 8 LN8 P id 1412 NYJ dWv1 VEOBZNT eatae NA S Iva R Sz n 3A0N 31Y d Ol wv L a NOSAN JAIM 9Z and 9 Z1N o agoz Fus DU ea 4 Q3sn LON X X01 tn as L S Q3ll8lHOMd 4715539952 S SI NOILYOITdNd GIZIMOHLAYNA oN 3 QdvO8 XJLH9NYA 300 006Z2 A9010NHOdJI SSJN34HVMV lOMJINOO QV3dH HSVM ONISNJ3S 7 DONILV3H 31V id 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument m
176. v 0 OF ra 2 2 0v 0v core a U anza 10v 10e Aa 10Y Zo00v oo 1 10 00v 5 tE Joa in 161 00 v 1 030 Nnoa IvA T 329v 3H31NI Z Idd XP A1ddNS 110 St 31NI NIVN aij xE y NIS h 9LN2I XC NIVN 39vdii0 3NvN 1vNOIS d NnOd9 907YNV Le NIVN 4444 00098 434479900 Q3liBldOSd A15535dX1 NOI1vOIT1dQ9 Q3ZiBO0H1nvNfI SI YN DOZ 7 AQOTONHOAL TL AI 3N 900 Series Service Manual 1999 Awareness Technology Inc Unauthorized dupl d for use ir services is restricte d repa is manual h iding routine instrument maintenance an ion given int d Informat 1bite ictly proh by factory authorized personnel and is to be used for the sole purpose of prov ication 1s str 137 Rev B 3 JOSS320Hd 001 0062 01 0 152 n3 Lo ogiz OL vcO0 HEIN u31ng OL JK 59 3ulW t L 12NNYH2 191935 Z3 A HN 79 431ndWN02 OL JK RN 1104 0 3NNYHO 1Y1925 Main PCB 2 of 5 TNTA ivi 25 0817 OL O1vig3s URZ OL OfS6 dul vio LAU 13S38 X aes ONNOXI SONY jnozc to YKUU CNTD KZLOHY L Ni 43MOd 1S8 O3liBlHOdd 2 1553adx3 Si NOIL vOiddn Q3ZidOHinvNn SS3N34VM 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory Oauthorized personnel and is to be
177. v CAU zu v 6n 133HM 31104 3l JNOLOHd A9010NHOJI SS3N3SVMYV 900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory Oauthorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 124 Rev B 3 LED Display PCB 15 14 3 12 EUN d OUO Lel T Sl mI I 2 eae ae e pee eS b x et pa t par pe que tx tk ec TE e ne pue em lt pA ce e a 5 5 NES oo mn ADS t o 5 e ee DE al Sun ZIS xx S Z222 N z JOALA J lt par na Bie aa 2 1 K o o o la o S ziziilz 2 tk a a nz TO 4o ao Ded fm 3 i T LO Ka oO o9 SUN locu o Al o ce Em eoo t5 2e ca O e lt L EE ems e eo Co ae Lil xe LE pum a e WY 2 xo 0 GILET L wW o 52 DI Z w 5 be ee N 5s EL e S ES zo o lt L CN a Dw 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services Nogale 3MIM vl
178. wen 08d SG v OBZNTI g ramy 9NILY3H 319 14 10d rd gMW z e rg 1314 AZLI Q3HOLIMS 92d Kre O 1NS SNILVIH 9219997 Gd q 1210 ISNJASIG QV3H HSYA Pd zo i shez vCOSZNTD 3911N39 A diV d X Jd za Al 3W0H OYJH HS M Cd u C138 Fah SF eT are e HX1d j O0H x 31v d 19d 10 JWOH A 31Yld aa LE VW 8 7NN 2 zin fod 907r PCT 20001 7 FATWA 3ussiud Nd 023 622 en i YEOBZNTN dnd Mn 2vA fe gyd Wha mE TES NAOQ GV3H HSVM Syd Ov n Z Ze gri i df OVIH HSYM SE pyd 5 YEN y zin 2v8 31v1d L evd EI Tidd a I INOY4S 3LYld Yd 13538 13538 yeogznaqn 1H9IH 31v1d e Yd men k oz 1437 Jivid Ovd KENG 9M s ge t Tx 7 T S 8i 3 zin z EET 8i p CHR Sze g WOH HS Y 5 4 yeogznin m ii Z aN zn oy ES 30H 1N002 jive cepepexpre9m X 31V1d A 4iVid E gio 3Lizino S3 TINO PL jag vmnm SL on 0 L JWOH 1Nn02 e L2L YO 90 a zr A aLW 1d X 31Vld 2 EZLOHY L g t109 sac 20 g ZNa AHS Srl on ra SQ xtd o gt L 3X8 DAMM el co ra 1Nn02 e 031v9 zo eq HSYM AL 24 Oo n 9100 1G 7 cQ 8 CINA JIA LAU 0x12 00 6 1d S gt S oa Y za ay oje 00 8 S voca e zc E 8 sn ov e za 3 oh Amope G ume ta 019 Quse ca aL EZLOHYL cr Soe 33917 me H as fee ae OX 1d 8i 79 2 T Zt y uia ga a sa Pa tina 0 8d NnONO 19 11910 gt xg 79 9e SH ono ro sa 90 d S IN SE in wp V KLN JA d SL ca Y 0 s E 2 e 031v9 zo ea 10 O AlddNS LIOA G Y Gr 0100 ia za U ay 0 Ol 7 C 0312 00 10 g SHSM 6 8 0g e 39vd410 3NVN wNSIS D gt au
179. with Windows 95B 95C 98 Windows NT 4 Workstation Windows NT 4 Server and Microsoft Windows 2000 Professional Beta 3 The Processor section will show information regarding the computer itself The MHz speed of the computer is not available under Windows 95 98 The Memory section will report the total amount of 2900 Series Service Manual 1999 Awareness Technology Inc Unauthorized duplication is strictly prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 44 Rev B physical and virtual memory There should be at least 8MB 8096K of physical memory The total virtual Page memory should be at least twice the physical memory If it is not the user should change the virtual memory settings under the Windows Control Panel 3 1 6 Using Chem Well Pack ChemWell Pack CWPack is a supplemental stand alone program designed to ease the transfer of various ChemWell data files assays jobs racks data etc Because the functionality of ChemWell Pack will eventually be integrated into the main ChemWell program CWPack has been kept intention ally simple and inflexible Contact your dealer if you do not have CWPack on your computer There are two basic operations that CWPack can perform packing and unpacking Packing files To pack a group of files perform the following steps
180. y prohibited Information given in this manual is restricted for use by factory authorized personnel and is to be used for the sole purpose of providing routine instrument maintenance and repair services 40 Rev B 2 15 3 ChemWell status window This window displays the current status of the instrument including the temperature and the status of the waste wash and rinse bottles Also shown are the currently loaded racks and plate The Func tions button will start the Instrument Functions dialog described in the Owner s Manual The Wash Wells will wash all twelve rows of the plate currently loaded in the instrument Use the New Wells button to tell the software that you have inserted a new plate or set of wells All wells will be marked as available The software automatically keeps track of which wells in the plate have been used To manu ally edit this setup or to mark certain wells as not available click the Edit Plate button Note The Wash Wells and New Wells functions are also available from the Run menu 2 16 Instrument Functions This dialog gives you easy access to some of the more common instrument functions To open it go to the View menu and select ChemWell functions The following options are available Note The Start of Day and End of Day functions are also available from the Run menu Start of day Prepares the instrument to be run by turning on the photometer lamps w

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