GAB/GAS Version 1.1
Contents
1. 0 1 weight by pressing Lie ZERO key Decimal point 1 1 Indicator Over scale 0 BLANK 2 indication 1 OL Tare subtraction A 4 1 Possible 1 ZERO key during 0 Possible D7 tare subtraction 1 Not possible Spe 0 5 times re stabilized Bee 1 1 8 times frequency Re stabilization 0 2 times over 2 Starting range 1 4 times over 10 Stabilized re 0 3 times D10 stabilized range 1 5 times Section 0 No D41 adjustment 1 Yes JAPAN 804 000 010 020 O4E 080 090 Display of F mode Measurement on 2 Operation DE Operation Display Stating Test Setup of Country No To select the No use the MODE key Example ASIA 2 When the C2 mode is then required press the TARE key When finishing press the Memory Switch to record the data to the memory and enter the Ending Test Mode 10 GAB GAS SHe 0 11 2 1 7 C2 Mode Scale No and Decimal point Setting 1 Scale No X1 Table Specifications A D Counts 3kg 2g 19 Multi interval 30000 20 10 6kg 59 29 Multi interval 30000 25 10 15kg 109 59 Multi interval 30000 20 10 30kg 209 109 Multi interval 30000 20 10 2 Decimal point indication 2 Table Display ee n 11 GAB GAS SHe 0 11 3 Operation 1 Stating Test 2 Scale No and Decimal point indication mode Press the TARE key 1 digit flashes Example ASIA 6kg 5g 2g Multi interval X1 2 X2 4 2 1 Scale No Settin2. AC adaptor input Pinno Funci n Remarks AC adaptor power source DC 2 4 to 6 0V GND Circuit GND Battery CN2 Battery input GND Battery Battery power source DC 2 2 to 3 2V CN3 Not used CN4 LCD display data output CN5 Not used CN6 Load cell input Jumper JP1 Ferrite cut JP2 Ferrite cut Ferrite cut 4 Ferrite cut JP5 Battery GN and Circuitry GND JP6 Filter cut Switch SW5 EPROM Memory switch 20 GAB GAS SHe 0 11 Chapter 4 Maintenance 4 1 Disassembly Procedure Small Size 3kg e 6kg The seal restricts the peel according to the country by a no report and doing as wanting NNOTE put it Follow the relevant procedure for the respective countries 4 1 1 Base Replacement Disassembly procedure 1 2 3 4 9 Remove dry batteries when using batteries Remove the AC adaptor when using the AC adaptor Remove four foot levels Peel off the approval seal Remove the four 4 10 screws Lift the base and pull out the battery harness from CN2 of main board PS 005 Assembly procedure 1 Perform in reverse order to disassembly 2 The approval seal material is a void seal It is not possible to use it again Use a new approval seal Foot Level Platte r 21 GAB GAS SH e 0711 4 1 2 Board Replacement 1 2 3 p Remove the load cell cable and grand cable using the soldering iron Remove the three ST3x8 screw
3. and span adjustment value and each approximate value F 84 Measurement condition 2 1 10 Error No List At power ON EPROM unsetting or garbled data At power ON Outside start range Err3 Testmode Outside range where zero point can be adjusted original A D 1000 count or less Original A D 25000 count or more cin ad adjustment possible range original A D 33300 count Original A D zero count or less 14 GAB GAS SHe 0 11 o rum Q D o ro gt m mM Tu e dex Mechanisms 3 1 3 1 1 Small Size 3kg 6kg GAB GAS SH e 0711 15 GAB GAS 3kg 6kg No 7 WeighingCapacty Qty A PLATTER 2 PLATE SUPPORT 0 02 O 3 LOAD CELL CZL 6D C3 5kg 1000 359 01 3 LOAD CELL CZL 6D C3 10kg 1000 6kg 01 0 CA d 8 BASE A 6 FOOT LEVEL 7 BATTERFKCOVER o 01 O 8 LUCENTI PLATE Pt 9 SHEET DISPLAY FRONT 350 01 0 9 SHEET DISPLAY FRONT go 1 0 10 SHEET DISPLAY REAR KONE 0 000 0 0 00 0 0 4 PLATE SPEC O NAME PLATE SPEC NAME PLATE SPEC PUSH RIVET PWB PS 005A LEVEL UNIT LEVELUNT 0 0000000 48 SCREW ST4x14 04 0 19 SCREW M6x2 0004 _2 WASHER 6 4 21 SPRING WASHER 6 04 22 SCREW M4x2 0068 0 23 SCREW ST3x8 83 24 SCREW M5x6 0 04 2 26 SCREW M4x10 05 O SCREW ST4x 10 CU
4. the load cell 6 The ZERO TARE key does 1 Outside of zero adjustment Check that zero adjustment or tare not function or tare subtraction range subtraction is within the specified range 2 Weight value is unstable Check if something comes in contact with the platter If so remove it Check if there is wind or vibration near the machine If so avoid these Replace the main board PS 005A Replace the load cell 7 The power supply cuts when 1 Auto power OFF setting Check if the auto power OFF time passes function works Default is 60 minutes 2 Main board PS 005A trouble e Replace the main board PS 005A 29 GAB GAS SHe 0 11
5. using the batteries Remove the AC adaptor when using the AC adaptor Remove the four foot levels Peel off the approval seal Remove the four 4 10 screws Lift the base and pull out the battery harness from CN2 of the main board PS 005 Assembly procedure 1 2 Do in the reverse order for assembly The material of approval seal is void seal It is not possible to use it again Put a new approval seal Foot Level M410 Approval _ seal B bar Base 25 GAB GAS SHe 0711 4 2 2 Board Replacement 1 Remove the load cell cable and ground cable by using the soldering iron 2 Remove the three ST3x8 screws where the board is fixed 3 The board is fixed with the four hooks and one lib as shown in the photo Press down the place shown by the arrow while pulling towards yourself then remove the hook 1 by sliding the entire board to the left and out 4 Do in the reverse order for assembly 5 Then install the base 6 Install the two dry batteries clear EPROM and perform settings and span adjustment in C1 C2 and C3 modes 26 GAB GAS SH e 0711 4 2 3 Load Cell Replacement 1 Remove the load cell cable using the soldering iron 2 Remove the 4 10 screw which fixes the cable clamp then remove the ground cable and load cell cable 3 Remove the four ST4x16 screws where the platter and plate support are fixed Plate Support a lower E 4 Remove the M6x25 hexagonal bolts s
6. 11 7 Start the test mode and perform the C3 mode span adjustment 28 4 3 Troubleshooting Symptom case 000 1 The display check does not e Check and replace dry batteries start when the power switch is pushed 1 Trouble of dry battery power supply system e Confirmation and exchange of battery harness 2 AC adaptor trouble e Check output voltage DC2 4 6 0V and replace AC adaptor 3 Main board trouble e Replace the main borad PS 005A 1 Garbled EPROM data or e Initialize perform C1 and C2 and initialized state C3 settings then push the memory switch 2 Main board PS 005A trouble e Replace the main board PS 005A 3 Power ON Display check 1 Outside weight value start e Check if anything is placed on the Err2 range platter If so remove it 2 Power ON gt Display check Err1 e Replace the load cell e Replace the main board PS 005A 4 Power ON Display check 1 Weight value is unstable e Check if something comes in contact O kg does not appear on the with the platter If so remove it display e Check if there is wind or vibration near the machine If so avoid these Replace the main board PS 005A Replace the load cell 5 Weight varies at four corners 1 External or load cell trouble Check if the horizontal state is being kept Check if there is foreign article between the platter and the case Check if space of limit adjustment screw is narrow Replace
7. 2 Standard Specifications Readability calibration value 10g 20g Weighing range 15 kg 30 kg Warm up time 10 minutes Recommended adjustment kg 6 kg M3 15 kg M3 30 kg M3 weight incl category Operating temperature 5 40 Humidity of air max 80 96 not condensing Housing B x D x H mm 236 x 282 x 102 108 286 x 363 x 102 124 Weighing plate w x d mm 230 x 180 280 x 260 KERN GAS 3K1DM GAS 6K2DM GAS 15K5DM GAS 30K10DM Readability calibration value 19 29 29 59 59 109 109 209 Weighing range 1 5 3 kg 3 kg 6 kg 7 5 kg 15 kg 15 kg 30 kg Recommended adjustment kg 6 kg M3 15 kg M3 30 kg M3 weight incl category Operating temperature 5 40 Humidity of air max 80 96 not condensing Housing B x D x H mm 236 x 282 x 102 108 286 x 363 x 102 124 Weighing plate w x d mm 230 x 180 280 x 260 Weight kg net 4 GAB GAS SH e 0711 1 3 Appearance Front view Weigh platter Display Rearview Level vial Bottom view AC adaptor inlet i ZAN PA 2 of D sized dry battery 5 GAB GAS SH e 0711 1 4 Operation Panel gt O Max 1 5kg 3kg e 0 001kg 0 002kg Min 0 02kg 1 499kg ON OFF key TARE key Selection key auto power function Zeroing key 6 GAB GAS SH e 0711 1 5 Outer Dimensions Small size Large size 7 GAB GAS SHe 0711 Chapter 2 Test Mode The Test Mode
8. N KERN amp Sohn GmbH Ziegelei 1 Tel 49 0 7433 9933 0 D 72336 Balingen Fax 49 0 7433 9933 149 E Mail info kern sohn com Internet www kern sohn com A WAAGEN GEWICHTE BALANCES WEIGHTS Service Manual Page 2 Electronic Compact Balance KERN GAB GAS Version 1 1 11 2007 GAB GAS SH e 0711 N WARNING B Read this manual thoroughly and do not perform installation operation maintenance or inspection unless you fully understand all of the contents Keep this manual in a safe place where you can refer to it easily while installing operating and carrying out maintenance or inspections OUTLINE e Purpose of this manual This manual is edited for the authorized servicing personnel and used when carrying out services and maintenance of the machine e Relative manual Refer to the operation manual for ususal operations e Symbols used in this manual 1 Warning symbols A DANGER pin information that if not avoided is likely to result in loss of life or serious NWARNING Indicates information that if not avoided may result in loss of life or serious injury Indicates information that if not avoided could result in relatively serious or minor N CAUTION injury damage to the machine or faulty operation 2 Explanatory symbols Symbol NNOTE Indicates information to call or emphasize for attention to the note Indicates the reference page REFERENCE Y Indicates information to he
9. SHION BATTERY SCREW 4 12 SHEET BATTERY HARNESS SPRING 1 01 22 85 SPRING 2 0 1 36 WASHER 8 37 ERNG 3 388 PRINTERGND CORD 01 0006 39 ENTER o 40 PROTECESHEET 1 2 2 Note Parts number may change without notice due to product improvement A A N a USS jaja iN Sm A lt A SIA AA ABW A A A A A A fa 16 GAB GAS SHe 0 11 3 1 2 Large Size 15kg 30kg GAB GAS SH e 0711 17 GAB GAS 15kg 30kg No ParsName WeighingCapacty Qty _ 1 PATER 1 2 3 LUCENEPLATE 4 SHEET DISPLAY FRONT 580001 0 4 SHEET DISPLAY FRONT 3550 01 0 SCREW ST3x8 6 PWBPSOA E 01 8 screw 54454 0004 10 SCREW M4x 12 SCREW M5x25 GQ 4 ia a IN PLATE SUPPORT CUSHION BATTERY 20 CUSHION BATTERY 21 SPRING SHEET LEVEL UNIT 1 BASE SHEET DISPLAY REAR __ 35 SHEET DISPLAY REAR 11 12 13 14 15 16 17 18 19 UJ 00 TI 2 2 2 2 2 2 2 2 3 4 9 7 8 9 30 31 32 32 33 ES Note Parts number may change without notice due to product improvement 18 GAB GAS SHe 0 11 3 2 Electric Concerns 3 2 1 Block Diagram Load cell 4 types depending on weighing capacity GND connection Main board PS 005 AC adaptor Option Batteries 3 2 2 Board PS 005 19 GAB GAS SHe 0 11 Connector CN1
10. ce ka enun De el e Delito sio 12 2 1 9 F Mode Setting measuring conditions and EPROM 13 ZO ERMONIN ON LIS laico 14 Chapter 3 Hardware Configuration aaan nennen menne nennnenenenenennnenennnenennen 15 Ook ae 15 gelet kg GKO o adhd 15 3 1 2 Large Size 1 5 30 o 17 Ce iden Sealing ORTU UI i tard 19 Oil ole AD le AAA e 19 322 BON P9 005 ia ld 19 Chapter 4 Maintenance aaa 21 4 1 Disassembly Procedure Small Size 3kg e 6 9 21 dll Base REDI ICE NE Al e e a tea too a ni o 21 ALZ Bodgraisepiaceiriebl nee dee a ke elia 22 4 1 3 Load Cell 23 4 2 Assembly Procedure Large Size 15kg e 30k 25 2 2 1 Base T 6placermelblb tete Doa Mister iba 25 22 2 lilla 26 42 5 oad Gell Replacermeblt diia 27 ded LFOUDIGSDOON PO riletto 29 3 GAB GAS SH e 0711 Chapter 1 Product Overview 1 1 Product Overview e The GAB GAS Series is a digital scale which can be operated with two batteries e The large LCD with 25mm height is provided for the display 1
11. g Press the MODE key one time X1 2 2 2 Decimal point indication Setting Press the ZERO key 27 digit flashes Press the MODE key three times X2 4 When the C3 mode is required press the TARE key When finishing press the Memory Switch to record the data to the memory and enter the Ending Test Mode 2 1 8 C3 Mode Span Adjustment 1 Operation Display 1 Stating Test 2 Span Adjustment mode 2 1 Press the TARE key two times 2 2 Press the MODE key displays original A D data The normal range for original A D data is 1000 to 25000 counts 2 3 Press the MODE key without load on the weigh platter Approx 5000 count is diplayed 12 GAB GAS SHe 0 11 2 4 Press the ZERO key if the count diverges from 5000 counts Put the weight same as weighing capacity on the weigh platter then press the MODE key CAL is displayed then the A D count becomes 35000 on the display If the count diverges from 5000 counts unload the weight and repeat the operations as set out in 2 4 and 2 5 When the C3 mode is required press the TARE key When finishing press the Memory Switch to record the data to the memory and enter the Ending Test Mode e CAL operation can not be performed unless zero point adjustment is finished e CAL operation can not be performed unless the original A D value exceeds 33300 counts when the weight is loaded 2 1 9 F Mode Setting meas
12. is used for diagnosis and or setting at maintenance service 2 1 Operation 2 1 1 Test Mode Flow ODE nn a END Note Press the memory switch at any time during test mode to record the data to the EPROM Then appears in the display 8 GAB GASSHe 07 11 2 12 Key Functions when setting value E Use at TEST mode startup Press this key while the TARE key is depressed Use at TEST mode end eno useunenselecing dte ooo Increments values for each press during data change MODE Press when entering C3or F mode o Tactile switch in the main circuit board Stores EPROM data set for each item of the C and F mode Main PCB Memory Switch Memory Switch Approval seal 1 Press and release the ON OFF key while the TARE Tini key is depressed A 1444 2 Release the TARE key 2 1 4 Ending Test Mode 1 C mode F mode status f 2 Release the ON OFF key after depressing for one second or more 2 1 5 Memory Switch 1 C mode F mode status EX X i hi 2 Press the Memory Switch 9 GAB GAS SH e 0711 2 1 6 C1 Mode Country No Setting 1 Country No Table 2121 2141 2415 AUS DEBORA Startrange 0 d o 00 range 1 d 0 Lights on at true zero Zero point mark 1 Lights on at Provisional zero Below true zero 0 indication 1 Negative value Cleaning tare
13. lp understanding INFORMATION e Readers of this manual This manual is edited for the servicing personnel Use by other personnel is not permitted e Note This manual may be revised in accordance with modification when made in the machine All rights are reserved Copying any part of this manual is prohibited without our permission 2 GAB GAS SHe 0711 Contents Chapter1 Product OVeIVIGQW csececesecsinseceasuncea ka l a n l l kn ek kl l 4 eo NEW oes nc oh ects ts atts a bb a ye Line 4 152 Standard il kad aka ik iia 4 120 I bol pie a ko III EE 5 Operation ANC TT laa 6 1 9 Outer DIMENSIONS sentar ee tal tot deeds ted sua ak a idu n a n sto kod de 7 2 Test Mode aelred 8 251 Opera eR E Umm 8 Zetel est NOGG FIOW e NE at e sai 8 2 1 2 Key Functions when setting 9 2 1 9 Starting Test Mode canili 9 2444 ENANOS NM OUE 9 2 1 9 iten eea 9 2 1 6 C1 Mode Country No 10 2 1 7 C2 Mode Scale No and Decimal point Setting 11 2 1 9 29 Mode Span AUS MENE o tus teda 0 a
14. pace in the 8 location set screws 15 within a specified value Adjust by turning the set screws to the regulations value and apply the screw lock agent if differing from a specified value 3 0 E AAA CN LI L HB EXEC e CRT a Hd sl x ON MNA ES oe ee E Rp E gu H ep Te renna m L a id c E rir TERES Dent pi m LI V E NON ONG ITIN n n A a akg Gkal 6mm me TATA TA ogre a L SR Ta a i 1265 y E i 1 ooo vi 5 E a a ES TEA Pc T M EAE 1 gt ki 4 1 1 Pate a A x X E m xD m eta ae E m a ka 5 ser atate n TR EIN ERE n E is T n a me M ha zl DL fat de E d ade En ren E a ll B Ed THI E n fa d RE El M DEM a EJ 9 Start the test mode and perform the C3 mode span adjustment 24 GAB GAS SHe 0 11 4 2 Assembly Procedure Large Size 15kg e 30 4 2 1 Base Replacement The seal restricts the peel according to the country by a no report and doing as wanting put it Do the procedure in a pertinent country Disassembly procedure 1 2 3 4 9 Remove two dry batteries when
15. pring washers and flat washers which fix the plate support and load cell in two locations both above and under Plate Support lower 7 1 M6x25 Spring Washer dl TE a L 1 1 1 a x ET at Washer gt y gt E i wx wb 4 AT Y zi Y 7 i e L1 ki i p 1 7 ki kat N Plate Sur 5 ort upper Pee E 2 5 Fix a new load cell and fix in four locations on the upper and lower plate support with flat washers spring washers and M6x25 hexagonal bolts order The direction of load cell installation should be carried out on the lower plate support on the cell cable side 6 Confirm whether each cell limit space in the 8 location set screws is within a specified value Adjust by turning the set screws to the regulations value and apply the screw lock agent if differing from a specified value 27 GAB GAS SH e 0711 Li nen Az B Mamaman dz nn 2 i ILL E nn m rrr Bale FA LII IM m ar he IL Ku E EIE 18 47 E Fa Lh s Am Tec H LI L E koe nus n TE Set Screw 4 12 E TETE XE TP TOES E E a 2 DI p C p oy ME L SM RAP xm EE EEE EEE EEEN EEn 4 pen pont 21 ha m cs 1 rr Di erro 15kg 1 bmm 3Uka 2 Omm GAB GAS SH e 07
16. s where the board is fixed The board is fixed with four hooks and one lib as shown in the photo Press down the place shown by the arrow while pulling towards yourself then remove the hook 1 by sliding the entire board to the left and out Perform in reverse order for assembly Then install the base Install dry batteries clear EPROM and perform settings and span adjustment in C1 C2 and C3 modes auem Em ai Load Cell cord GE 22 GAB GAS SH e 0711 4 1 3 Load Cell Replacement Remove the load cell cable and ground cable by using the soldering iron Remove the ST4x10 screw which fixes the cable clamp Remove the four M5x16 screws which fixe the plate support at four case locations Remove the case pose I c 6 e Lj oun pr t F is 1122 23 GAB GAS SH e 0711 6 Remove the M6x25 hexagonal bolts spring washers and flat washers which fix the plate support and load cell in two locations both above and under Plate Support Lower M6 x 25 NC Pe Spring Washer Plate Support Lower U Plate Support Upper Plate Support Upper 7 Fix a new load cell and fix in four locations on the upper and lower plate support with flat washers spring washers and M6x25 hexagonal bolts order The direction of load cell installation should be carried out on the lower plate support on the cell cable side 8 Confirm whether each cell limit s
17. uring conditions and EPROM clear e All data has been fixed according to country specifications e Altering data may not conform to weighing and measuring tests for a country e See 2 1 6 C1 Mode Country No Setting for Measurement Conditions Setup dmm Table REFERENCE 1 Operation Operation Display 1 Stating Test 2 Setting measuring conditions 2 1 Press the TARE key three times 2 2 Press the MODE key The least significant digit blinks Whenever the MODE key is pressed the required digit can be selected 2 3 Whenever the MODE key is pressed the figure of the digit which has blinked does the increment 13 GAB GAS SHe 0 11 3 EPROM clear Any scene of F mode is possible 3 1 Press the ZERO key and MODEkey gt EP C then C1 1 is displayed At this point writing in EPROM of change data in F mode and the default value to EPROM clear has not been completed Push the memory switch EPROM clear initializes Country No Scale No Zero and Span adjustment values t is necessary to set it again 4 Writing in EPROM Push the memory switch to memorize data After EPROM is cleared if writing is performed in EPROM without setting Country No Scale No nor Zero Span adjustment value and the power is turned on Err1 is displayed and it is not possible to use the machine Set C1 C2 and C3 again Scale No 3kg 20 10 Multi interval Decimal point indication 0 NN NE Zero point
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