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Stat Profile Critical Care Xpress Service Manual

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1. NOVA A8 biomedical Appendix AD6 Insufficient Sample During the last calibration or analysis AD6 detected air when it expected to detect fluid Recommended solutions 1 Recalibrate the analyzer 2 Remove the Reference Sensor from the sensor module remove any moisture with a clean dry lintless tissue and recalibrate 3 Replace the Reference Sensor 4 Contact Nova Biomedical Technical Support BUN Urea Slope The measured difference between the BUN calibrators during the last 2 point calibration did not meet the minimum specifications for a properly performing sensor Recommended solutions 1 Recalibrate the BUN sensor 2 Remove the sensor from the sensor module using a cotton swab verify that the sensor module does not have any old membrane material left behind in the sensor chamber 3 Replace the BUN membrane Replace the BUN sensor 5 Contact Nova Biomedical Technical Support BUN Urea Instability During the last calibration or analysis sequence the BUN sensor measurement did not reach a stable end point Recommended solutions 1 No action required if the message occurs infrequently 2 Replace the BUN membrane 3 Replace the BUN sensor 4 Contact Nova Biomedical Technical Support BUN Urea Drift During the last analysis sequence the performance of the BUN sensor had changed signifi cantly since the last successful 2 point calibration Recommended solutions 1 Recalibrate the BUN sensor 2
2. 3 Contact Nova Biomedical Technical Support Hct ADC During the last analysis or calibration the CCX was unable to obtain a successful measurement reading from the Hct sensor Recommended solutions 1 No action required if the message occurs infrequently 2 Contact Nova Biomedical Technical Support Hb Dependency The Hb measurement requires both a successful SO2 and hematocrit measurement During the last analysis one of these values was unable to be measured Recommended solutions 1 Verify that the SO2 sensor is calibrated does not have an X through it If it is uncalibrated recalibrate the SO2 sensor 2 Verify that the Hct sensor is calibrated does not have an X through it If it is uncalibrated recalibrate the Hct sensor 3 Verify that the SO2 sensor is not locked out does not have a line through it due to a QC range failure If it is locked out recalibrate the SO2 sensor and rerun the failed QC level 4 Verify that the Hct sensor is not locked out does not have a line through it due to a QC range failure If it is locked out recalibrate the Hct sensor and rerun the failed QC level 5 Contact Nova Biomedical Technical Support Hb High Range During the last analysis the measured result exceeded the upper limit of the Hb sensor s measurement range Recommended solutions 1 Repeat the analysis 2 Verify the result on an alternate reference method Hb Low Range During the
3. 4 Troubleshooting Resolving Flow Problems All pumping cycles Start with a Check of the signal from ADT 5 If Reference solution has reached ADT 5 the CCX will generate a BACK FLOW error This error must be cleared before starting any ABG or CO Ox cycle Clearing the Backflow Error code All pump cycles start with a check for Backflow Select MENU SERVICE SYSTEM TEST Move the ABG rotary valve to the Standard F position Open the Reference solenoid valve Select Pump Speed 4 Turn ON the ABG Pump for 1 2 to 1 minute Stop the ABG pump Press the Home soft key to return all assemblies to their Home positions DIY Us dete General Flow troubleshooting There are 6 Air Detectors ADT on the ABG side of the CCX ADT 1 is located in the Probe S line ADT 2 for units with a CO Ox option is located in the stator of the splitter valve ADT 2 for ABG only units is located in the Probe S line ADT 3 is located in the preheater which is attached to the bottom of the sensor module ADT 4 and ADT 5 are located in the sensor module ADT 6 is located in the reference sensor Flow rates not flow times are generated uL sec The time between ADTI and ADT 5 are used to calculate this rate Normal Flow Rate is 85 105 uL sec There are 3 pumping cycles that can be used for troubleshooting ABG Calibration ABG Sample cycle CO Ox or Combined Sample Cycle CO Oximeter calibration use external material The pumping cycle is the same a
4. Analog Boards amp 2 ABG Control Board CO Ox Board Stack Control CPU and Analog Board Mounted to ABG Control Board Power Entry Module Top CO Ox Module Pump Sensor Sampler Hemolyzer CO Ox Cuvette Figure 3 2 Major Assemblies Front Sensor Interface Board 3 2 Host CPU CPU Fan Power Distribution Mounted on side Power Supply Analyzer Fan Space on rear panel for CO Ox Light Fan Back Host CPU CO Ox Pump CO Ox Cuvette Lamp Assembly Spectrophotometer Lamp Power Transistor Figure 3 3 Major Assemblies CO Ox Areas NOVA biomedical 3 Replacement Procedures COM Port to Host CPU ABG Board CO Ox Control Board CO Ox CPU Board CO Ox Analog Board ABG Control Board No CO Ox ABG Control Board With CO Ox Figure 3 4 ABG Control Boards Right Side of Analyzer Cable to Display Shield Figure 3 5 Power Distribution Board Left Side of Analyzer NOVA biomedical 3 3 Stat Profile Critical Care Xpress Service Manual Sampler Pan ABG Board ABG Tubing Individual Tubes ABG QC Tubing CO Ox ABG Rotary Reagent Valve Preheater I O Port Line Input USB Port Figure 3 6 Rear Panel ABG Fluid Pack CO Ox QC Compartment Compartment CO Ox Fluid Pack Metabolite QC Compartment Pack C t t Keyboard DS Mouse Connectors ABG QC Pack Compartment Keyboard Not shown Figure 3 7 Front Panel Bottom NOVA 3 4
5. J 2 PIN 1 Power Fail PIN 2 Ground J 3 to ABG Digital Control Board PIN Voltage Test Points 2 24 VDC FB11 Plus Leg C 4 4 5 VDC FB5 Plus Leg C27 6 12 VDC FB 6 RT3 8 12 VDC FB 3 RT4 J 4 to Seiko Printer Assembly Power PIN Test Points 14 5 VDC FB 8 Plus Leg C19 5 6 24 VDC FB7 Plus Leg C7 8 9 J 5 Printer Signal Interface PIN Number Signal PIN Number Signal 1 Ground 11 ACK 2 STROBE 12 BUSY 3 DO 13 amp 22 5 VDC 4 D1 Test at leg C19 JPR3 installed 5 D2 14 PE 6 D3 15 ERR 7 D4 16 STO 8 D5 17 NC 9 D6 18 ST2 JPR6 jumper it to J6 25 10 D7 19 INIT NOVA biomedical SE Stat Profile Critical Care Xpress Service Manual J 6 Computer Signal LPT PIN Number Signal PIN No Signal 1 STROBE 9 D3 2 AFD 11 D4 3 D O 13 D5 4 ERR 5 D6 5 D1 17 D7 6 INIT 19 ACK 7 D2 21 BUSY 8 SEL_IN TP1 23 PE 10 12 14 16 18 20 22 24 26 GROUND J 7 to CPU Board PIN Voltage 4 5 VDC 10 12 VDC 12 12 VDC 18 5 VDC J 8 to Hard Drive PIN Voltage 1 12 VDC 5 VDC J9 to LCD Back Light Test Points Plus Leg C16 Plus Leg C14 Minus Leg C13 Minus Leg C15 Test Points JPR 9 Plus Leg C26 JPR 10 Plus Leg C20 PIN Voltage Test Points 1 3 12 VDC FB 4 Plus Leg C12 5 7 9 Ground J10 to Touch Screen PIN Voltage Test Points 1 Ground 12 VDC JPR 5 J11 to CO Ox Digital Control Board PIN Voltage Test Points 2 24 VDC FB 10 Plus leg C2 4 5 VDC FB 9 Plus Leg C5 6 12 VDC Res
6. Recommended solutions 1 Ensure there is sufficient sample volume in the sample container repeat the analysis 2 Confirm the correct sample container is selected on the Panel Selection screen repeat the analysis 3 Recalibrate the analyzer Flush the flowpath with deionized water and recalibrate the analyzer 5 Contact Nova Biomedical Technical Support ADS Delta mV s The measured difference between the AD3 calibrators during the last 2 point calibration did not meet the minimum specifications for a properly performing air detector Recommended solutions 1 Recalibrate the analyzer 2 Flush the flowpath with deionized water and recalibrate the analyzer 3 Contact Nova Biomedical Technical Support ADS Overload During the last calibration or analysis sequence the AD5 reading was outside the software s limits Recommended solutions 1 Recalibrate the analyzer 2 Flush the flowpath with deionized water and recalibrate the analyzer 3 Contact Nova Biomedical Technical Support NOVA biomedical AZ Stat Profile Critical Care Xpress Service Manual AD5 ADC During the last analysis or calibration the CCX was unable to obtain a successful measurement reading from the ADS air detector Recommended solutions 1 No action required if the message occurs infrequently 2 Contact Nova Biomedical Technical Support ADS Insufficient Sample During the last calibration or analysis AD5 detected air when it expected to detec
7. Stat Profile Critical Care Xpress Service Manual 3 6 ABG Computer Board CPU Manufactured after June 30 2005 AN UA Se D eg NOTE The CPU PN 40310 requires the PN 40822 Hard drive The CPU PN 36951 requires the PN 37102 Hard drive NOTE Units manufactured after June 30 2005 will have an adapter board mounted above the CPU NOTE If installing a CPU with Adapter board into a unit manufactured before July 1 2005 DO NOT connect 2 wire Audio cable from CN13 to CNI Remove the analyzer cover Remove the ground wire from the shield plate Remove the 3 mounting screws Then remove the shield Disconnect the cable connectors Remove the CPU fan Remove the mounting screws Install the board by reversing the steps above Adapter Cable CPU PN37579 Adapter Board PN38900 Complete Set PN40310 Power Supply Assembly FAN CLIP push and release on rear side Figure 3 12 Host CPU 3 7 ABG CPU CD Drive and Hard Drive Assemblies N circuitry while power is on to the analyzer 3 8 l CAUTION The CPU card does not have a protective coating to ensure all screws washers or other metal pieces do NOT touch any part of the Turn the analyzer off and remove the power cord NOVA biomedical Manufactured before July 1 2005 3 Replacement Procedures 2 Remove the analyzer s cover NOTE On analyzers manufactured after June 30 2005 Access to the rear cabling is made easier by removing th
8. 1 Recalibrate the Creat sensor 2 Remove the sensor from the sensor module using a cotton swab verify that the sensor module does not have any old membrane material left behind in the sensor chamber Replace the Creat membrane Replace the Creat sensor Replace the ABG calibrator cartridge Contact Nova Biomedical Technical Support Qu eoo Creat Drift During the last analysis sequence the performance of the Creat sensor had changed signifi cantly since the last successful 2 point calibration Recommended solutions 1 Recalibrate the Creat sensor 2 Replace the Creat membrane 3 Replace the Creat sensor 4 Contact Nova Biomedical Technical Support Creat High Range During the last analysis the measured result exceeded the upper limit of the Creat sensor s measurement range Recommended solutions 1 Repeat the analysis 2 Verify the result on an alternate reference method Creat Low Range During the last analysis the measured result exceeded the lower limit of the Creat sensor s measurement range Recommended solutions 1 Repeat the analysis 2 Verify the result on an alternate reference method Creat Overload During the last calibration or analysis sequence the Creat sensor reading was outside the software s limits Recommended solutions 1 Recalibrate the Creat sensor 2 Remove the sensor from the sensor module using a cotton swab verify that the sensor module does not have any old membrane mater
9. 2 Confirm the correct sample container is selected on the panels screen repeat the analysis 3 Verify that the AD2 cable is plugged in correctly recalibrate the analyzer Flush the flowpath with deionized water and recalibrate the analyzer 5 Fora CCX analyzer without a COOX module replace the Sample Probe S line and recalibrate 6 Contact Nova Biomedical Technical Support E NOVA biomedical AS Stat Profile Critical Care Xpress Service Manual AD3 Delta mV s The measured difference between the AD3 calibrators during the last 2 point calibration did not meet the minimum specifications for a properly performing air detector Recommended solutions 1 Recalibrate the analyzer 2 Flush the flowpath with deionized water and recalibrate the analyzer 3 Contact Nova Biomedical Technical Support AD3 Overload During the last calibration or analysis sequence the AD3 reading was outside the software s limits Recommended solutions 1 Recalibrate the analyzer 2 Flush the flowpath with deionized water and recalibrate the analyzer 3 Contact Nova Biomedical Technical Support AD3 ADC During the last analysis or calibration the CCX was unable to obtain a successful measurement reading from the AD3 air detector Recommended solutions 1 No action required if the message occurs infrequently 2 Contact Nova Biomedical Technical Support AD3 Insufficient Sample During the last calibration or analysis AD3 detected air whe
10. ABG motors and valves The devices now find their Home position Failure of these lights to operate as described usually indicates a failure of the ABG control board poor connection to the analog boards Heater Indicators A Column of 3 LEDs located on the left side of the ABG Control Board The Top LED 21 light on indicates that the heater in the vertical flowcell is trying to heat The bottom LED 23 light turns on when the heater in the Horizontal Flowcell is trying to heat The middle LED 22 light cycles ON OFF at preset intervals This indicates the preheater is being turned On There is no display of the preheater temperature If both top and bottom temperature on the service screen indicate 37 0 2 C and the Home screen indicates Warming the preheater has failed NOVA biomedical 5 1 5 Adjustments and Maintenance Procedures Adjustments and Maintenance Procedures Installing Software Upgrades Backup Your Database Use the following procedure to make a backup copy of your existing database NOTE This backup copy will only be used to restore your database in the event the normal installation process should fail Caution Failure to backup your database may result in the loss of all Patient and QC data as well as the analyzers setup configuration From the Home screen press System Menu Press Saved Data Press Database Management Press Backup Data Press Perform Backup to create a copy of your datab
11. DESCRIPTION OF CHANGE DRP SIGN DATE Sensor Module Assembi Flowcell Board Flowcell Interface Board AAT Sense J11 Board to Board Connectors AA7 Drive J10 J3 J4 HTR3 J5 HS Le 46 THRM3 THRM3 sco 344 CREAT J15 etu J46 BUN J17 34234 E133 031 J12 Het Air det Flowcell Assembly J2 Heaters J1 so2B4 25518 C133 165 Heaters u P2 Thrmstrs 37596 E133 295 COMPUTER FILE NO t e 2 ABG SUBSYSTEM CONFIDENTIAL DRAWN DATE NOVA B O m ed ica 200 Prospect Street P O Box 9141 Waltham MA 02254 9141 PREL RELEASE DATE Lu e 2 EM o ra E Es Q o o Q a x o uw ONLY DISK NO INTERCONNECT DIAGRAM STP CCX NO COOX DRAWING NUMBER REV PROD RELEASE 4 3 2 1 APPROVED UPDATED REV DESCRIPTION OF CHANGE DRP SIGN DATE PROD REL ECO25842 EPL 06 17 03 6 07 A A 37006 FROM POWER DISTRIBUTION BOARD 37483 CUVETTE Pes ASSY D J36 J29 D SLIDE T HEATER 54 37208 52000 COOX CONTROL BOARD ee SE 35007 METER 29235 J PUMP AMNB TENT uncus 5 19 ASSY TEMP 23 SENSOR 33851 G THESE CABLES J Se ARE PART OF C de VALVE THE MOTOR C ASSEMBLIES TO 37283 HOST RS232 COM CABLE COM E J37 3482 POT SAMPLE J38 3 SPLITTER RESET TALE CABLE 37627 a 37311 QU B E J 437466 HEMO 22 LYZER 36933 HARD DISK 2 lt B FLUID PACKS GE VN iiis 36314 Em d E D 34 i m NE J30 J33 J35 24598 Ba 427096 eT s
12. MACH FILLET RADIUS 015 MAX REL DATE D 125 658 C 2 1 MACH SURF FLAT WITHIN 001 IN PER IN DO NOT SCALE DRAWING SHEET 1 OF 1 INFORMATION CONTAINED HEREIN IS CONSIDERED PROPRIETARY TO NOVA BIOMEDICAL CORPORATION OF THIS INFORMATION 15 TO FACILITATE THE MANUFACTURING SERVICING AND MAINTENANCE OF NOVA BIOMEDICAL CORPORATION EQUIPMENT ONLY MACH SURF PERP PARALLEL WITHIN 001 IN PER IN MACH DIAMETERS CONCENTRIC WITHIN 6 003 F I M MACH SURF y CL 2 THD OR UNDER NO CIRCUMSTANCES SHALL THIS INFORMATION BE TRANSMITTED REPRODUCED DISCLOSED TO USED BY ANY PERSON OR ORGANIZATION OTHER THAN THOSE ENGAGED IN SUCH ACTIVITIES WITHOUT THE EXPRESSED WRITTEN CONSENT OF NOVA BIOMEDICAL CORPORATION NN
13. READY Uncalibrated before proceeding to next step From the Home screen press Home Enter your password then press OK Press System Menu Press Service then press Version List Press Version List a second time If your analyzer does not have a CO Oximeter module confirm the Host Software Version and ABG Module Control Software Version match the version printed on your CD V 2 14 If your analyzer contains a CO Oximeter module confirm the Host Software ABG Module Control Software and CO OX Module Control Software match the version printed on your CD V 2 14 Press Home to return to the Home screen The analyzer should now be running on the new version of software Calibrate your analyzer and run all required Quality Control samples nova biomedical 5 Adjustments and Maintenance Procedures 5 2 Touch Screen Calibration You will need a Keypad to make this adjustment Log off the CCX Analyzer Log on as ADMINISTRATOR No Password is required Select the CONTROL PANEL Pointing Devices Select the Touch Screen only option shown Select Calibration from the TABS across the top On the lower left corner select Calibrate the display will ask you to touch the red X as it appears When complete select OK Log off the system and log back on as CCX User This is case sensitive Return the unit to normal operation cd QN UA PSN SS 3O 0 5 3 Adding Peripheral devices Most peripheral devices will install via pl
14. Repeat the Chemistry Control 4 analysis 2 Verify that Chemistry Control 5 runs properly If Chemistry Control 5 runs properly replace the Chemistry Auto Cartridge QC pack If Chemistry Control 5 exhibits the same error condition proceed to step 3 3 Ifoneofthe upper block sensors was recently replaced verify that the sensors are aligned and installed correctly Also verify that the sensor module latch is locked pushed down 4 Ifone of the lower block sensors was recently replaced verify that the sensor s are installed correctly pushed in completely and that each sensor has a membrane installed onto it 5 Flush the flowpath with deionized water and recalibrate the system 6 Contact Nova Biomedical Technical Support NOVA biomedical A39 Stat Profile Critical Care Xpress Service Manual No Chemistry Control 5 During the last Chemistry Control 5 analysis Control 5 was determined to be flowing incorrectly Recommended solutions 1 Repeat the Chemistry Control 5 analysis 2 Verify that Chemistry Control 4 runs properly If Chemistry Control 4 runs properly replace the Chemistry Auto Cartridge QC pack If Chemistry Control 4 exhibits the same error condition proceed to step 3 3 H one of the upper block sensors was recently replaced verify that the sensors are aligned and installed correctly Also verify that the sensor module latch is locked pushed down 4 Ifone of the lower block sensors was recently repla
15. verify that the sensor module latch is locked pushed down 4 Ifoneofthelowerblock sensors was recently replaced verify that the sensor s are installed correctly pushed in completely and that each sensor has a membrane installed onto it 5 Flush the flowpath with deionized water and recalibrate the system 6 Contact Nova Biomedical Technical Support A38 NOVA biomedical Appendix No Blood Gas Control 3 During the last Blood Gas Control 3 analysis Control 3 was determined to be flowing incorrectly Recommended solutions 1 Repeat the Blood Gas Control 3 analysis 2 Verify that Blood Gas Controls 1 and 2 run properly If Blood Gas Controls 1 and 2 run properly replace the Blood Gas Auto Cartridge QC pack If Blood Gas Controls 1 and 2 also exhibit the same error condition proceed to step 3 3 Ifoneofthe upper block sensors was recently replaced verify that the sensors are aligned and installed correctly Also verify that the sensor module latch is locked pushed down 4 Ifoneofthelowerblock sensors was recently replaced verify that the sensor s are installed correctly pushed in completely and that each sensor has a membrane installed onto it 5 Flush the flowpath with deionized water and recalibrate the system 6 Contact Nova Biomedical Technical Support No Chemistry Control 4 During the last Chemistry Control 4 analysis Control 4 was determined to be flowing incorrectly Recommended solutions 1
16. 13 Sampler Assembly Motor vs eech 3 15 ABG Pump Assembly A A A ee 3 15 ABG Rotary Valve Cleaning and Replacement eee 3 16 Printer Assembly Printer Board eegen tis eder dit 3 17 Display Cegedel 3 17 IER A A A A A A A A A A 3 20 CO Oximeter Assemblies pai as 3 20 3 19 Lamp assembly A A A E d ot edd 3 20 3 19 2 CO 0x Fluid Deck Removal erer 3 22 3 19 3 Fluid Deck Mechanical Replacement eere ense ve nne rete 3 23 S 194 COIE Pump TEE 3 24 3 19 5 CO Oxmmeter Electronic Boards aca 2 ud a 3 24 spectrophototeter Assembly uoces tek taste ORE EA REPOS 3 25 CO Oximeter RE 3 26 Replacing the SO Amp Borda 3 27 nova biomedical PN 33826 Rev B 9 2005 Stat Profile Critical Care Xpress Service Manual 4 Troubleshooting oooooooooooooooooo AN 4 1 Limitations and Dependencies ini ai 4 42 Operational Speciticati ns one pe To A ee shes 4 2 42 Blow Troubleshooung 52 epe ii 4 5 42 1 Instrument Plow Tests y tee Er Debe A A RA EA eaten das 4 5 ADD Operator Vests E 4 6 4 2 3 COOX Flow Obstructions in the Flowpath eene 4 8 4 3 Service MED uada hot ite eee A Ratio 4 9 Aol System Test E 4 10 4 5 2 Analog mv Display cesse er eod la nates etie e beet cadis 4 13 AO Service PLOW Ies iocos ote id idad 4 14 ee EE 4 15 44 Resolving Blow Eesbech gees 4 17 4 4 1 Clearing the Backflow Error code AA 4 17 4 4 2 General Flow troubleshooting esee 4 17 2213 ABOG Cal
17. 3 Replace the Glu sensor 4 Contact Nova Biomedical Technical Support Glu Drift During the last analysis sequence the performance ofthe Glu sensor had changed significantly since the last successful 2 point calibration Recommended solutions 1 Recalibrate the Glu sensor 2 Ifthe Glu sensor has not been polished recently polish the sensor and replace the Glu membrane otherwise just replace the Glu membrane 3 Replace the Glu sensor 4 Contact Nova Biomedical Technical Support NOVA biomedical AIS Stat Profile Critical Care Xpress Service Manual Glu High Range During the last analysis the measured result exceeded the upper limit of the Glu sensor s measurement range Recommended solutions 1 Repeat the analysis 2 Verify the result on an alternate reference method Glu Low Range During the last analysis the measured result exceeded the lower limit of the Glu sensor s measurement range Recommended solutions 1 Repeat the analysis 2 Verify the result on an alternate reference method Glu Overload During the last calibration or analysis sequence the Glu sensor reading was outside the software s limits Recommended solutions 1 Recalibrate the Glu sensor 2 Remove the sensor from the sensor module using a cotton swab verify that the sensor module does not have any old membrane material left behind in the sensor chamber 3 Ifthe Glu sensor has not been polished recently polish the sensor and replace
18. 6 Unplug the display cable from the display 7 To install a new display or new dis play cable the procedure is the same Place the display face down and con nect the touch screen cable Figure 3 29 Display Cable Removed NOVA biomedical 3 Replacement Procedures 8 Inset the display cable onto its connector Let the cable run along the back of the display 9 Install the cable bracket 2 screws See Step 5 above Figure 3 30 Fold the Cable Back Across the Bracket 10 Fold the cable back across the bracket and tie wrap the cable to the bracket Ensure the cable is dressed flat to prevent cramping during remounting P aq Figure 3 31 Tie Wrap the Cable to Bracket 11 Fold the display back across the mounting plate Ensure the display cable is not trapped between the two Reinstall the mounting screws 12 Reconnect the back lighting power supply 13 Remount the display reversing Steps 1 and 2 Figure 3 32 Reconnect the Backlighting Power Supply NOVA biomedical 3 19 Stat Profile Critical Care Xpress Service Manual 3 18 Door Alignment 1 The door alignment is done in 2 parts Each hinge has an adjusting hex screw and lock down screw on the side 2 The hinge part attached to the door have a limited in out adjustment possible The lower door may be adjusted after removing the black reagent pack retention bar 4 When properly aligned the following conditions must be verified a The distance betwee
19. A A 38159 CDROM Dive eret e 37451 Computer Board A BG uni eat ici 36931 Computer Board ABG with adapter board power cable 40310 Computer Boatd CO OX odii tan cioe iia 38163 Control Assembly CO Ox Digital Control Bd CPU Analog 37817 CV ELLE Housing orotan aay Poser Oase Seege 38167 Cuyette Slide Assembly 15i iiec eene tees AEN 38042 Cuvetie Window Kat ieiunii oe Gelee aden edet bae iad 38179 Dieial Board E 38157 Digital Board ABO nac edes qe tete eti la 37449 Display Doot Assembly vt ii 37084 ESAS AE 37087 Plowcell Interface Board EE 37103 Fluid FO EE 20861 Hard DriVe veto da 37102 Hard Drive Assembly st A A A ee ee 40822 Eent EE 38155 VO Plate Ru EE 34932 Internal Keyboard LC 37478 NOVA biomedical 5 5 Stat Profile Critical Care Xpress Service Manual Inverter Board Display is os A el Oe aad 39505 Inverter Board Display ui dida 39506 Keyboard Overlay English eii n eese rad EE 37657 Lamp Assembly COOX yim oclo eege e eege fuels 37815 Optics USE anida ts Eege 38161 Power Distribution Board 4 ooa iden rc teda teet e debole ses dE gd 37101 Power Entry Modules tir 37105 Power E 37104 Preheater Assemb ynni uc epi ebe beenden aetna ices 36465 Printer Assembly A a e ea TE a EE EES 37138 Printer Hed ii 37484 Printer Interface th desen 37485 Pump Assembly ABG V eee in eie i ER ERARE 37092 Pump Assembly CO Ox vivirla deidades 3
20. Figure 5 7 Internal Tubing Kits NOTE Record how each line is routed before removing to ensure the replacement line is routed in the same path Change one set at a time to avoid confusion Each line s fitment is held in place by 2 opposing plates Remove the top plate and loosen the lower plate to facilitate holding one tube while installing the next Feed each line through the front of the analyzer Gently pull on the lines coming out the back of the analyzer This will help to hold each line in place while inserting the fitment into the bracket NOVA 5 8 biomedical 5 Adjustments and Maintenance Procedures Figure 5 8 The Top and Bottom Plates The ABG Fluid Pack kit has seven lines It is difficult to insert the fitments into the bracket Remove both top and bottom brackets This allows the fitments to be placed into the bracket outside the compartment Place small piece of tape on each end of the brackets to hold them together This will hold the halves together while remounting the bracket in the fluid compartment OB Control 3 OB QC 6 Aj O O C Ax OB Control 2 E N O o o O QCV Lvl 5 Ox OB Control 1 re Dien O arza AIR Open T Preheater OB QC Lvl 4 O Qc Bac To Fluid Fountain To Sample Split Rotary Valve Flush QC Air Center roh ABG S Line Flush Soln from COOx pack E ir 2 MM From COOx Rotary Valve O D E calibrator COOx QC1 2 3 or Flush 10 Air 3 COOX Reagent Valve Blood Splitter Valve A
21. Minimum 20 GB drive Operating Voltage 5 VDC 2 2 12R W CD ROM Drive Location Information The R W CD ROM Drive is located at the upper left side from front of CCX chassis and is lying horizontally Main Function s It is a standard computer Read Write R W CD ROM Drive 16x minimum The computer drive can be replaced only with a Windows 200 compatible drive Reads standard CD ROM s and also writes to blank CD s information from Hard Drive Provides long term backup data and information storage for system Operating Voltage 5 VDC NOVA biomedical 3 Replacement Procedures 3 Replacement Procedures 3 1 Cover Removal AN a qe CAUTION Assemblies may have loose hardware mounting Ensure no loose hardware is left in the unit before restoring power to the analyzer WARNING Removal of the analyzer cover exposes the line voltage wiring The Power must be turned off and the Power Cord disconnected before any assembly replacement procedure is performed Turn the unit OFF disconnect the line cord and have the back of the unit facing you Remove the 8 panel mounting screws Slightly spread the bottom sides and lift the cover upward and toward the back Lift the cover off the unit Take care not to damage any cables or wiring during removal Figure 3 1 Cover Mounting Screw Location NOVA biomedical 3 1 Stat Profile Critical Care Xpress Service Manual Major Assembly Location Sampler Assembly
22. QC lockout Ordered A vailable Unavailable Tests Failed Performance Check Test Displays as Normal White Text X out X on test Strike through Test has line through it Green backlit by panel choice Red backlit and flashing Channel ordered on panel possibly X out also if U C Black on white reverse video Channel ordered Flashing red and purple Error Codes Overview Code Groups Summary Group 01 07 pH ABG Group 08 15 pCO2 ABG Group 16 22 pO2 ABG Group 23 36 SO2 ABG Group 37 41 Hb ABG Group 42 40 Hct ABG Group 50 56 Na ABG Group 57 63 K ABG Group 64 70 Cl ABG Group 71 77 Ca ABG Group 78 85 Mg ABG Group 86 93 Glu ABG Group 94 104 Lac ABG Group 105 112 Creat ABG 4 20 Group 113 121 BUN ABG Group 122 125 ADET 1 ABG Group 126 129 ADET 2 ABG Group 130 133 ADET 3 ABG Group 134 137 ADET 4 ABG Group 138 141 ADET 5 ABG Group 142 145 ADET 6 ABG Group 146 149 ADET7 CO Ox Group 150 158 Flow ABG Group 159 164 QC Flow Group 165 179 Hard or Software ABG Group 180 184 ABG Mechanicals Group 185 228 Com Elect ABG Group 229 230 Reagent Flow CO Ox NOVA biomedical 4 6 4 6 1 4 Troubleshooting Resolving Results Problems Flow problems are often accompanied by sensor related problems Do not change sensors or membranes until flow problems have been resolved first Parameter Errors Slope The difference in millivolts between the cal
23. Replace Install Cartridge Cartridge 1 ABG Calibrator 2 Contact Nova Biomedical Technical Support NOVA A 42 biomedical Appendix Expired Calibrators The system detected that the ABG Calibrator pack was expired when it attempted to perform a calibration or analysis Recommended solutions 1 Install a new AB Calibrator Pack by pressing System Menu Maintenance Replace Install Cartridge Cartridge 1 ABG Calibrator 2 Contact Nova Biomedical Technical Support ABG Calibrator O2 Low During the last calibration a low oxygen level was detected with the ABG Calibrator pack Recommended solutions 1 Replace the ABG Calibrator Pack Cartridge 1 by pressing System Menu Maintenance Replace Install Cartridge Cartridge 1 ABG Calibrator 2 Replace the pO2 membrane 3 Contact Nova Biomedical Technical Support Not Present Invalid COOX Calibrator No COOX Calibrator cartridge or an invalid COOX Calibrator cartridge was detected by the analyzer when a COOX module sequence was initiated Recommended solutions 1 Remove and reseat the COOX calibrator cartridge Reinstall the cartridge from the CCX Maintenance Menu by pressing System Menu Maintenance Replace Install Cartridge Cartridge 4 COOX Calibrator 2 Install a new COOX calibrator cartridge 3 Contact Nova Biomedical Technical Support Empty CO Ox Calibrator The system detected that the CO Oximeter Calibrator pack was empty when it attempted to perform a calibration or an
24. Replace the BUN membrane 3 Replace the BUN sensor 4 Contact Nova Biomedical Technical Support BUN Urea High Range During the last analysis the measured result exceeded the upper limit of the BUN sensor s measurement range Recommended solutions 1 Repeat the analysis 2 Verify the result on an alternate reference method NOVA biomedical A9 Stat Profile Critical Care Xpress Service Manual BUN Urea Low Range During the last analysis the measured result exceeded the lower limit of the BUN sensor s measurement range Recommended solutions 1 Repeat the analysis 2 Verify the result on an alternate reference method BUN Urea Overload During the last calibration or analysis sequence the BUN sensor reading was outside the software s limits Recommended solutions 1 Recalibrate the BUN sensor 2 Remove the sensor from the sensor module using a cotton swab verify that the sensor module does not have any old membrane material left behind in the sensor chamber 3 Replace the BUN membrane Replace the BUN sensor 5 Contact Nova Biomedical Technical Support de BUN Urea ADC During the last analysis or calibration the CCX was unable to obtain a successful measurement reading from the BUN sensor Recommended solutions 1 No action required if the message occurs infrequently 2 Contact Nova Biomedical Technical Support Ca Slope The measured difference between the Ca calibrators during the last 2 p
25. biomedical 3 Replacement Procedures 3 2 Sensor Module WARNING The Power must be turned off and the Power Cord discon nected before changing the Sensor Module 1 Remove the S line from the preheater 2 Disconnect the W and R tubing from the reference electrode 3 The sensor module is held in place by 2 locking tabs Turn the thumb screw fully counterclockwise Then pull the sensor module towards you NOTE If reinstalling the sensor module after changing the sensor module Interface Board leave the Interface Board mounting screws loose until the sensor module is in place This ensures proper alignment of the connectors Sensor Module Preheater Holes for the Mounting Tabs Figure 3 8 Sensor Module 4 Reinstall the sensor module Ensure the locking tabs are in the same alignment as the holes on the fluid panel Set the module in place apply a slight pressure to the bottom of the assembly to ensure a good connection between the module and the Interface Board If required tighten the Interface board mounts Reconnect the W R and S line tubing NOVA biomedical 3 5 Stat Profile Critical Care Xpress Service Manual 3 3 Preheater 1 Remove the Sensor Module from the fluid panel Invert the Sensor Module 3 The preheater is mounted by 2 screws NOTE Be careful removing or installing the mounting screws The ground wire can be easily cut or damaged 4 Install the new preheater by reversin
26. for a properly performing sensor Recommended solutions 1 Recalibrate the Lac sensor 2 Remove the sensor from the sensor module using a cotton swab verify that the sensor module does not have any old membrane material left behind in the sensor chamber 3 Ifthe Lac sensor has not been polished recently polish the sensor and replace the Lac membrane otherwise just replace the Lac membrane 4 Replace the Lac sensor Replace the ABG calibrator cartridge 6 Contact Nova Biomedical Technical Support dd Lac Instability During the last calibration or analysis sequence the Lac sensor measurement did not reach a stable end point Recommended solutions 1 No action required if the message occurs infrequently 2 If the Lac sensor has not been polished recently polish the sensor and replace the Lac membrane otherwise just replace the Lac membrane NOVA A 20 biomedical Appendix 3 Replace the Lac sensor 4 Contact Nova Biomedical Technical Support Lac Drift During the last analysis sequence the performance ofthe Lac sensor had changed significantly since the last successful 2 point calibration Recommended solutions 1 Recalibrate the Lac sensor 2 If the Lac sensor has not been polished recently polish the sensor and replace the Lac membrane otherwise just replace the Lac membrane 3 Replace the Lac sensor 4 Contact Nova Biomedical Technical Support Lac High Range During the last analysis the mea
27. iudi eerie A 8 COOX No Solution F A 36 AD6 Delta mye A 8 COOX Not Calibrated A 45 AD6 Insufficient Sample A 9 COOX Results Suspect A 44 ADO OVerloadz i i Eu eet og A 8 COOX Sample Interference A 44 COOX SulfHb High A 44 B COOX System Temperature Failure A 45 BUN Urea ADC Susan A 10 COOX Temperature Drift A 45 Ree A 9 COOX Temperature Failure A 45 BUN Urea High Range s A 9 Creat ADC asilo ice A 15 BUN Urea Instability A 9 Creat Background EEN A 14 BUN Urea Low Range A salad ceases Rena A 10 Creat Drift eret A 14 BUN Urea Overload coocccininiconocnooo o A 10 Creat High Range ee A 14 BUN Urea Slope ie acute ee ie Sah cfc n cx A 9 Creat Instability EE A 13 NOVA biomedical Stat Profile Critical Care Xpress Service Manual Status Code Page Status Code Page Creat Low Range ococoooccccconoccccnonccnnns A 14 K Creat Overload sssssss A 14 Creat SONG ite e aids A 13 5 Soe EEN RES D Kt High Range cooocccccnccccnoccconaccnnnancconnos A 19 Default Nat Value A 26 E des EE ae E E inu tate deserve tinae Mosa A 20 Lee A 19 Empty Blood Gas Controls A 41 Empty Calibrators A 42 L Empty Chemistry Control
28. last calibration or analysis sequence the PO sensor reading was outside the software s limits Recommended solutions 1 Recalibrate the PO sensor 2 Replace the PO membrane 3 Replace the PO sensor 4 Contact Nova Biomedical Technical Support PO Cal Delta Millivolts During the last calibration sequence the PO sensor measured a low Oxygen reading in the ABG Calibrator pack Recommended solutions 1 Recalibrate the PO sensor 2 H he PO membrane was recently replaced remove the sensor shake down the sensor to remove bubbles from behind the membrane Polish the PO sensor replace the PO membrane Replace the ABG calibrator cartridge Replace the PO sensor Contact Nova Biomedical Technical Support NOVA A 30 biomedical DIA en Appendix PO ADC During the last analysis or calibration the CCX was unable to obtain a successful measurement reading from the PO sensor Recommended solutions 1 No action required if the message occurs infrequently 2 Contact Nova Biomedical Technical Support SO2 LED Slope The measured difference between the SO calibrators during the last 2 point calibration did not meet the minimum specifications for a properly performing sensor Recommended solutions 1 Recalibrate the SO2 confirm the calibrator values for each level are entered correctly 2 Remove the SO2 sensor from the sensor module wipe the sensor tip with a 10 bleach solution and recalibrate 3 Repl
29. limits Recommended solutions 1 Verify that the ADI cable is plugged in correctly recalibrate the analyzer 2 Flush the flowpath with deionized water and recalibrate the analyzer 3 Replace the Sample Probe S line and recalibrate 4 Contact Nova Biomedical Technical Support ADI ADC During the last analysis or calibration the CCX was unable to obtain a successful measurement reading from the ADI air detector Recommended solutions 1 No action required if the message occurs infrequently 2 Contact Nova Biomedical Technical Support ADI Insufficient Sample During the last analysis AD1 detected air when it expected to detect fluid Recommended solutions 1 Ensure there is sufficient sample volume in the sample container repeat the analysis 2 Confirm the correct sample container is selected on the Panel Selection screen repeat the analysis Verify that the ADI cable is plugged in correctly recalibrate the analyzer Flush the flowpath with deionized water and recalibrate the analyzer Replace the Sample Probe S line and recalibrate Contact Nova Biomedical Technical Support EOM ee NOVA A4 biomedical Appendix AD2 Delta mV s The measured difference between the AD2 calibrators during the last 2 point calibration did not meet the minimum specifications for a properly performing air detector Recommended solutions 1 Fora CCX analyzer without a COOX module AD2 is located in the Sample Probe S line Verify that t
30. onere WEAGENT CARTRIDGE P Cat 39158 Figure 5 13 Adding the Keyboard NOVA biomedical 5 13 Stat Profile Critical Care Xpress Service Manual 5 9 Adding the Bar Code Reader This is a plug and play device Plug the reader into a USB port at the rear of the analyzer The Bar Code reader tested was IMAGETEAM 3800LX 630NM Visible RED LED Reading Distance 15 2 22 9 cm 100 UPC 7 6 91 4 cm on 40 mil Reading width 15 2 22 9 on 100 UPC 40 6 63 5 cm on 40 mil 5 10 Sampler Syringe Adapter Alignment Starting at the Home Screen select MENU SERVICE SYSTEM TEST Extend the sample probe to either syringe position Loosen the 2 adapter mounting screws one on each side of the plate Pull back the plunger of the syringe to prevent embedding the tip of the probe into the rubber of the plunger Then attach the syringe to the Leur Loc adapter 5 Centerthe bracket such that the probe does not hit either side of the adapter Retighten the mount screws Aug NOTE Glass Syringe openings are too small to assure the probe will not hit the sides Nova Biomedical does not recommend the use of glass syringes on the CCX Analyzer NOVA SIA biomedical A Appendix Appendix A 1 Status Codes Status Code Page Status Code Page A C ABG Back FIOW ite diee BSS Ca e A 11 ABG Calibrator O LOW Bu Ca DORMS es rr dioe OE A 11 ABG FlOW ret tete A 36 Ca High Range oocccccinnnccc
31. several minutes to complete After successfully downloading the ABG Module software the analyzer will shut down and display a message indicating It is Safe to Turn Off Your Computer Locate the power switch in the rear of the analyzer and power down Wait 30 seconds then power the analyzer back on It may take several minutes for the analyzer to reboot and display the Please Wait Warming screen NOTE If your analyzer does not have a CO Oximeter module go to Confirming the Software Installation Once the analyzer reboots it will display a Please Wait screen Within 1 minute it should begin downloading the CO Ox module The down load process takes several minutes to complete After successfully downloading the COOX Module software the analyzer will shut down and display a message indicating It is Safe to Turn Off Your Computer Locate the power switch in the rear of the analyzer and power down Wait 30 seconds then power the analyzer back on It may take several minutes for the analyzer to reboot and display the Please Wait Warming screen It may take several minutes for the analyzer to come up to temperature once the analyzer has restarted Once the temperature has equilibrated the analyzer will display the Home screen Confirm the Software Installation 1 E ES 7 After restarting your analyzer it will take several minutes for the analyzer to reboot and come up to temperature You Must Wait for the Home screen to display NOT
32. the Glu membrane otherwise just replace the Glu membrane 4 Replace the Glu sensor 5 Contact Nova Biomedical Technical Support Glu ADC During the last analysis or calibration the CCX was unable to obtain a successful measurement reading from the Glu sensor Recommended solutions 1 No action required if the message occurs infrequently 2 Contact Nova Biomedical Technical Support Hct Slope The measured difference between the Hct calibrators during the last 2 point calibration did not meet the minimum specifications for a properly performing sensor Recommended solutions 1 Recalibrate the Hct sensor 2 Flush the flowpath with deionized water and recalibrate the Hct sensor 3 Replace the ABG calibrator cartridge 4 Contact Nova Biomedical Technical Support NOVA A 16 biomedical Appendix Hct Dependency The Hct measurement requires a Na measurement The Na was not able to be measured or was determined to be outside the sensor s measurable range Recommended solutions 1 Verify the Na sensor is calibrated does not have an X through it If it is uncalibrated recalibrate the Na sensor 2 Verify that the Na sensor is not locked out does not have a line through it due to a QC range failure If it is locked out recalibrate the Na sensor and rerun the failed QC level 3 Verify the result on an alternate reference method 4 Contact Nova Biomedical Technical Support Hct Drift Durin
33. 1 Under Bracket zd Figure 3 22 ABG Pump Assembly NOVA biomedical 3 15 Stat Profile Critical Care Xpress Service Manual 3 15 ABG Rotary Valve Cleaning and Replacement 1 Remove the analyzer cover 2 Clean the Rotary Valve a The manifold and rotor are held in Thumb place by a spring loaded cap nut Nut The nut is removable by hand b Aftercleaning the ceramic rotor and stator wipe the mating surfaces with Mount Screws the applicator found in the Rotary Valve Lubricant Kit NOTE The manifold is notched to ensure proper alignment CAUTION ONLY LINT FREE MATERIAL is to be used to clean the mating surfaces of the ceramic pieces Any material trapped between the 2 ceramic pieces will cause an air leak into the flowpath CAUTION Inspect the mating surface of each ceramic piece to ensure no pool of oil is present Oil entering the flowpath will desensitize the Air Optical Hct detectors and may Coat the sur faces of the CO Oximeter cuvette NOTE Verify that the 2 holes on the Stator back of the rotor align with the pins on the pinion of the motor P f Rotor 3 Disconnect the motor from the ABG Control Board Figure 3 23 ABG Rotary Valve 4 Therotary valve is held in place by 4 mounting screws The 2 inside screws that are located at the slots in the base only need to be loosened The mount plate of the valve is slotted on the inner side 5 When replacing the Rotary Valve it is
34. 8181 Reference Pinch Valve cete uasa utate aed rtt uoo oc Mo 37089 Rotary Valve EE 37091 Rotary Valve CO OK a osea EE ieee 37849 Rotary Valve EE 37850 Sampler Assembly E 37083 sensor e e 36463 Speaker EE 37085 Spectrophotometer Board tatc e Cone de necedad E YR EE 29401 Touch Screen Driver Board obs 37452 Touchscreen Display 555 otra de Lus 37448 Waste Pinch VVS S 37090 CCX Analyzers built after June 30 2005 use these Part Number replacements 2 2 3 ABG Digital Control Board Location The ABG Digital Control Board is located along the right side of the chassis looking from the front and is accessed from the right side of the analyzer The CO Ox Board Cluster is attached to 1t Main Function s Control of all the mechanical devices on ABG unit Sampler Assembly WIR Pump WIR Solenoid Valves NOVA 2 6 biomedical 2 Product Description ABG Reagent Rotary Valve Controls ABG RMS Reagent Blood Gas and Chemistry QC Manipulates the digitized analog signals from the 2 Analog boards Power Connections to Board Power is delivered to the ABG Digital control board via the J7 Connector Cable Pin 2 424 VDC Pin 6 12 VDC Pin 5 5 VDC VCC Pin 8 12 VDC J3 CPU Board J13 Analog Board J17 RMS J14 Waste Valve J16 ABG Pump 24 VDC power J15 Reference Valve J19 Sampler 24 VDC power J29 Probe J10 ABG Rotary Valve 24 VDC power LED s 6 LED indicators on the board D7 Pro
35. BG Fluid Valve Figure 5 9 The CO Ox Reagent Blood Splitter and ABG Fluid Valves HINTS Cut the ends of the old tubing at the rotary valve leaving the tubing markers on the side remaining attached to the valve This makes removal of the old tubing easier and identifies the tubing port when connecting the new tubing Remove the stator from the rotary valve This allows easier access to push the tubing off of the valve ports NOTE DO NOT pull the tubing off the rotary valve ports Pass the new tubing through the rotary valve cap and compression spring prior to attach ing it to the valve port NOVA biomedical 5 9 Stat Profile Critical Care Xpress Service Manual 5 7 Rotary valve cleaning Perform this procedure if the valve is taken apart to clear the tubing the mating surfaces require cleaning the flowpath has an air leak or replacement ceramic parts are installed WARNING The internal surfaces of the Blood Splitter Valve and the internal surfaces of the sample path tubing are considered contaminated 7 Use proper precautions to protect your skin and eyes while performing HE these procedures CAUTION ONLY LINT FREE MATERIAL is to be used to clean the mating surfaces of the ceramic pieces Any material trapped between the 2 ceramic pieces will cause an air leak into the flowpath CAUTION Excessive lubricant may enter the flowpath and can cause the Air detectors Hct detector and or the CO Ox cuvette to lose sensitivi
36. Board Figure 5 5 Move Jumper EI 6 Ifthe lamp goes out rotate the trim pot fully counterclockwise towards the front of the unit approximately 5 turns If not go to Step 7 NOTE LAMP GAIN should follow LAMP OUT 500 millivolts If not replace the CO Ox Control Board Atthis point adjust rotate the lamp Observe the Service Screen display under the heading LAMP VOLTAGE Carefully hold the lamp bulb at the base close to the socket and close to the fan Rotate the lamp through 90 degrees one way or the other while watching the LAMP VOLTAGE display You are trying to position the lamp so that the displayed LAMP VOLTAGE isat its highest value Allow for a delay between making the adjustment and the display reading change Move the lamp a small amount wait then observe the new voltage reading NOVA biomedical 8 9 10 11 12 13 14 15 5 Adjustments and Maintenance Procedures If the reading starts to decrease turn the lamp in the opposite direction Leave the lamp at the point where the voltage is at its highest reading CAUTION Make sure that the wires and socket are not being pulled or strained Reinstall the cover on the lamp replace the 3 cover mounting screws and mount the lamp back where it was with the 2 knurled screws Be careful not to bend stress or break any wires or fiber optic cables Connect the small 2 pin in line connector for the Main Cooling Fan Return to the C
37. E SYSTEM TEST This should result in the fluidic schematic being displayed 1 Touch the screen in the area of the air detectors 2 A pop up window will appear Press the option that states Air Oscillator 1 ON Select a different air detector and turn on Air Oscillator 2 Then finally change to turn on both oscillators 4 Touch the reference solenoid valve The fluid path lines on either side of the valve will join indicating the reference valve is open 5 Selectthe pump speed to 4 by touching the box to the side of the picture of the pump 6 Touch the fluid line marked C causing the valve to rotate to the align the rotary valve with Standard C 7 Startthe pump by touching the pump picture in the upper right corner of the display The pump should start observe the flowcell to see it fill with Standard C 9 Stopthe pump when a solid liquid in the waste line of the pump appears by touching the pump picture as above 10 Record the millivolt reading of each air detector 11 Start the pump and lift up on the sampler probe 12 When air is seen in the waste line stop the pump 13 Record the millivolt reading of each air detector Gong L NOTE Each air detector is independent of the others A properly operating air detector will have the following parameters a The millivolt reading with fluid in front of the air detector is higher than the millivolt reading with air in front of the air detector b The minimum millivolt
38. IN SUCH ACTIVITIES WITHOUT THE EXPRESS WRITTEN CONSENT OF NOVA BIOMEDICAL CORPORATION NC NC it NC NC NC NC ABG Digital Board Pump J16 J8 PONGIA Waste Valve J14 J7 Power Ref Valve 315 J1 Ser Debug J2 XilinxDebug Analog 1 J 414 J3 Host Analog 2 J12 J4 RS 232 spare J5 JTAG Ang JA J17 RMS Etc Probe J29 J8 Sample Door Sampler 319 Rot Valve J 4 0 33811 E132 656 Manifold Block Manifold Block Unused pins of P17 support optical door switch and SW controlled 24V lamp YEL THRM3 BLU THRMS3 Manifold Block Manifold Block I i 1 i l i 1 i F 1 Pump Ass ABG PERISTALTIC PUMP Motor Wire Colors VEXTA TECO 1 GRN RED E 2 J BK wr 3 BLU BLU pp bie 4 RED YEL me R 6 WASTE Solenoid Valve Analog Board 1 Jt Data 02 etc J4 Sensors Ref JG Sensors J7 Sensors J8 Diagnostic Data GND SCREW E127 827 J J5A 23823 Analog Board 2 J1 Data P32 J3 24V In etc Sensors Ref JG Sensors J7 NE Ws A Diagnostic ag e GND_SCREW 3x36202 23823 E127 827 P1 Ji E AirDet 31 Co P2 J2 1 1 e To second air detector in S Line AirDet 2 Co Sampler Ass 1 RED e H Si Cr O 34902 D132 318 Ground Straps To first air detector in S Line P29 6 DEVE 1 Ps Ui 10 NC Home V Sensor l 2 1 APPROVED UPDATED REV
39. N OF CHANGE ECO 26021 ABG Subsystem Power Peripheral Chassis Ass Printer Interface Bd Printer Mechanism ABG Subsystem Serial Data 2 3 4 5 P4 6 COOX Subsystem Serial Data Not used 9 10 HOST SUBSYSTEM E Sa 9 JJ zg PIN 35942 85 CONFIDENTIAL 3 1 APPROVED UPDATED se o o Z uj iL x uj E gt a z o o DRAWN DATE A Waltham MA 02254 9141 DRAWING TITLE CHECKED DATE PREL RELEASE DATE PROD RELEASE H INTERCONNECT DIAGRAM STP CCX NO COOX DRAWING NUMBER REV 134 325 A LAST MODIFIED ON SHEET 4 OF 2 4 PGND 2 24V To Power Dist Bd 34822 To Page 1 P7 D 4 ABG CONNECT 2 DTR ABG RS To Computer RS 232 5 RXD To Page 1 P3 Note 8 ABG FAIL DCD 1 if connected RI 1 if ABG fail 10 SHIELD 34826 PART_OF_36314 Not connected for COOX PART_OF_36314 Manifold Block amp jo Jo zz OO P17 jo IN Oo o o mg 000000 INFORMATION CONTAINED HEREIN IS CONSIDERED PROPRIETARY TO NOVA BIOMEDICAL CORPORATION RELEASE OF THIS INFORMATION IS TO FACILITATE THE MANUFACTURING SERVICING AND MAINTENANCE OF NOVA BIOMEDICAL CORPORATION EQUIPMENT ONLY UNDER NO CIRCUMSTANCES SHALL THIS INFORMATION BE TRANSMITTED REPRODUCED DISCLOSED TO OR USED BY ANY PERSON OR ORGANIZATION OTHER THAN THOSE ENGAGED
40. NOVA A46 biomedical Appendix COHb High Range During the last analysis the measured result exceeded the upper limit of the CO Oximeter Module s COHb measurement range Recommended solutions 1 Repeat the analysis 2 Verify the result on an alternate reference method MetHb Low Range During the last analysis the measured result exceeded the lower limit of the CO Oximeter Module s MetHb measurement range Recommended solutions 1 Repeat the analysis 2 Verify the result on an alternate reference method MetHb High Range During the last analysis the measured result exceeded the upper limit of the CO Oximeter Module s MetHb measurement range Recommended solutions 1 Repeat the analysis 2 Verify the result on an alternate reference method MetHb Interference During the last analysis an interference was detected with the measurement of the MetHb fraction on the CO Oximeter Module Recommended solutions 1 Repeat the analysis 2 Verify the result on an alternate reference method HHb Low Range During the last analysis the measured result exceeded the lower limit of the CO Oximeter Module s HHb measurement range Recommended solutions 1 Repeat the analysis 2 Verify the result on an alternate reference method HHb High Range During the last analysis the measured result exceeded the upper limit of the CO Oximeter Module s HHb measurement range Recommended solutions 1 Repeat the analysis 2 Verify the resul
41. O Ox Control Board and move the E1 jumper back to the upper 2 pins as shown below PC 104 CPU board Trim Pot El Figure 5 6 El Jumper Back to the Upper 2 Pins The final step in this procedure will cause the software to automatically test the light levels in the spectrophotometer and adjust the DAC Select MENU FLOWPATH MAINTENANCE WASH COOX FLOWPATH You will hear pumps running After several seconds the COOX WASH cycle will complete At this point return to the SERVICE SCREEN The new values are displayed in the 4 LAMP Parameter sections as well as the DAC setting The LAMP VOLTAGE will be between 5 and 7 5 volts and the DAC setting display should be below 100 If the displayed values are higher than these limits one or more of these could be the reason e Cuvette requires cleaning e The Lamp is dim and needs replacement e Check for loose or poorly positioned optical cables e Cuvette optical calibration was not successful NOVA biomedical 5 7 Stat Profile Critical Care Xpress Service Manual 5 6 Internal Tube Replacement Each Tubing kitcomes with the individualtubing lines needed for a unique part ofthe analyzer ABG P N CO Ox P N Fluid Pack 36467 Fluid Pack 38815 ABG QC pH Gases 36454 QC COOX 36453 ABG QC Chemistry 36461 Splitter Valve 40094 Common Line 36408 Splitter to preheater ABG Rotary to fountain as ABG Waste and Reference tubing AR g From ABG fluid Pack to the ABG Pump F
42. OHb MetHb HHb 000 nv 0 00 eV 0 00 mv 0 00 ev 0 00 wiv 000 nV 0 00 mv 0 00 wv Td 0 00 e 0 00 V Ge 0 00 nv 0 00 mv 0 00 ev 0 00 mV 0 00 wiv 0 00 mv 0 00 wiv o Home Si o Cl sed O OCH Lvl 5 o Tj Preheater o Air t4 o Std B AIR Open To Sample Split Rotary Valve O Flush QC Air Center OB ac O o ABG S Line ia o td c To Fluid Fountain Flush Soln from COOx pack S E Ce Te 00x Hemolyzer Mi ir 2 Std D From COOx Pump 4 From COOx Rotary Valve O D E calibrator COOx QC1 2 3 or Flush bu 10 Air 3 CO Ox Rotary Valve Splitter Valve ABG Rotary Valve Figure 2 3 The CO Ox Reagent Blood Splitter and ABG Fluid Valves The analyzer is designed to calibrate using internal Reagent packs The exceptions being the CO Ox calibration and the SO and Hb channels on the ABG side which require external calibration standards NOVA biomedical 2 3 Stat Profile Critical Care Xpress Service Manual 2 1 1 2 1 2 24 CO Oximeter The CO Ox side of the CCX is comprised of 2 rotary valves a blood detector cuvette preheater assembly and pump assembly The sample enters the CCX through the sample probe The first segment of the sample passes through a Blood Splitter Valve PN 37850 and is positioned in front of the Blood Gas Electrolyte Metabolite sensors The Blood Splitter valve then rotates aligning the sample path with the CO Oximeter side ofthe analyzer The CO Oximeter flui
43. RG E V Pee eye ado 2 4 2 1 2 ABG Electrolyte Metabolite Blood Gast 2 4 2 2 Electronic Assemblies iii e eie Et e EN TEN EVANS 2 5 2 2 1 Power Distribution cononnooononnnnnononnnnonononononnononnnn nn E E i E 2 5 2 2 2 Spare Parts Description Part Number ANA 2 5 2 2 3 ABG Digital Control Board viii ii ees A da 2 6 2 2 4 CO Ox Digital Control Board CPU Analog Board 2 8 212 55 AB CPI BOSE decens abe Aide utah I ee 2 10 22 0 ABE Anglos EE 2 11 2 2 7 Flowcell Interface Board sess nnne 2 12 2 2 8 Power Distribution Board 2 13 222 9 Power S pply Assembly nece ee de e hd textus eise duas 2 15 2 2 10 Power Entry Module unit li A is 2 15 2 2 LT Hard Disk Drive i eere eere re eoe tr ees de esa 2 16 2 24 12 RAW CD ROM DEG o sd Eegen 2 16 NOVA PN 33826 Rev B 9 2005 biomedical TOC Table of Contents 3 TOC2 Replacement Procedures Sl 3 1 A 33 34 3 5 3 6 3 7 3 8 3 9 3 10 3 11 3 12 3 13 3 14 3 15 3 16 3 17 3 18 3 19 3 20 3 21 3 22 Cover Removal a A AA 3 1 sensor Mod A E E A ta 3 5 Po E 3 6 Sensor Module Interface BO da 3 6 Analog EE 3 7 ABG Computer Board GPL nai e eductus oe exe aen do ee gea a aee unus 3 8 ABG CPU CD Drive and Hard Drive Assemblies eene 3 8 Ee EE 3 11 Power Distribution Board uci e is 3 11 Fluid Pack A CA E E 3 12 Simpler Assembly ans EE 3 12 Capillary Adapter ET EE 3
44. Service Manual argum Critical Care Xpress biomedical Preface Stat Profile Critical Care Xpress Service Manual Nova Stat Profile Critical Care Xpress Service Manual Part Number and Ordering Information The Stat Profile Critical Care Xpress Service Manual PN 33826 can be ordered from Nova Biomedical Order Services Write or call Nova Biomedical 200 Prospect Street Waltham MA 02454 9141 U S A Telephone 1 800 458 5813 FAX 781 893 6998 in the U S A or 781 899 0417 outside the U S A Technical Assistance For technical assistance call Nova Biomedical Technical Services at Telephone 1 800 545 NOVA or 781 894 0800 FAX 781 894 0585 Trademarks and Patents Stat Profile is a registered trademark of Nova Biomedical The Stat Profile Critical Care Xpress Analyzer is covered by the following patents U S Patent No 4 686 479 U S Patent No 5 578 194 Copyright Printed in the U S A Copyright 2005 Nova Biomedical Waltham MA 02454 9141 nova biomedical Preface Stat Profile Critical Care Xpress Service Manual ii biomedical Stat Profile Critical Care Xpress Service Manual Contents 1 1 TACA A a Ea a EENES 1 1 1 2 Operational idad sonia 1 2 1 3 Cautions a az e e es 1 3 L t Required cts la 1 4 2 Product Description oooooooooooooooo 2 1 2 1 Mechanical Assemblies sess eese ener nee E A e 2 2 2 1 1 COLOR Melide ete tec e E
45. VICE then SYSTEM MENU Press menu and turn ON the millivolts displays In the upper left corner is a list of CO Ox Operating Parameters the first 4 of these are relevant to the Lamp Lamp Voltage Lamp Current etc CAUTION Be careful not to stress bend or break any fiber optic cables or wires attached to the lamp housing 2 Remove theanalyzer s cover there are 8 screws in the back Locate the main cooling fan at the left rear of the analyzer Disconnect the small 2 pin in line connector NOVA biomedical a Stat Profile Critical Care Xpress Service Manual 5 6 3 Locate the 2 large knurled screws holding the lamp housing in place and loosen the screws until the lamp can be lifted up then out of the analyzer s chassis When completely free the lamp housing may be gently placed on top of the analyzer resting on the 2 vertical walls with the 3 cover screws facing up Remove the screws and lift the metal cover from the lamp housing this exposes the fan and lamp bulb Looking from the front the CO Ox Control Board is located on the right hand side of the analyzer Along the lower edge of the control board locate a round trim pot 247 and a 3 pin JUMPER El Remove the jumper from El and install it onto the lower 2 pins as shown in the following figure PC104 COMPUTER BOARD Move Jumper DOW J34 Trimpot E TP1 o TP52 J25 J30 J33 J35 COOXimeter Control
46. a the CN9 connector The Voltages are shown below Pins 4 6 19 20 5 VDC Pin 10 12 VDC Pin 12 12 VDC Pin 18 5 VDC NOVA 2 10 biomedical 2 Product Description 2 2 6 ABG Analog Boards Location Information NOTE Two identical boards used on system same part s The ABG Analog Boards are located at middle of analyzer directly behind the flowcell area The boards are mounted vertically to the chassis and are connected by cables to the sensor module flowcell Interconnect The boards are identical except for jumper changes Board 1 Right from front Board 2 Left from front NOTE The CCX Basic uses only Analog Board 1 Main Function s The CCX utilizes 2 identical Analog Boards This board is also used on the pHOx Plus and pHOx Plus L models The board receives the sensor output and performs the A D conversion The digitized signal is then passed to the ABG digital control board for processing The replacement board will require setting 6 jumpers to the correct positions based on use See chart below Analog Board Jumper positions Jumper O 0 or O o 1 2 3 4 Jumper pHOx L CCX Basic CCX Board 1 CCX Board 2 JPR 1 3to4 1to2 3to4 3to4 JPR 2 3to4 1to2 3to4 1 to2 JPR 3 3to4 1to2 3to4 1 to2 JPR 4 3to4 3to4 3to4 1 to2 JPR 5 3to4 3to4 1 to2 3to4 JPR 6 3to4 3to4 1 to2 3to4 NOVA biomedical 2 11 Stat Profile Critical Care Xpress Service Manual The individual analyte board and channel assi
47. ace the SO2 sensor 4 Contact Nova Biomedical Technical Support SO2 Dependency The SO measurement requires a Hct value Hematocrit was unable to report a value Recommended solutions 1 Verify the Hct sensor is calibrated does not have an X through it If it is uncalibrated recalibrate the Hct sensor 2 Verify that the Hct sensor is not locked out does not have a line through it due to a QC range failure If it is locked out recalibrate the Hct sensor and rerun the failed QC level 3 Contact Nova Biomedical Technical Support SO2 LED Drift During the last analysis sequence the performance of the SO sensor had changed signifi cantly since the last successful 2 point calibration Recommended solutions 1 Recalibrate the SO2 sensor 2 Replace the SO2 sensor 3 Contact Nova Biomedical Technical Support SO2 Hemolysis During the last analysis the K value was determined to be above 8 0 mmol L which may indicate hemolysis of the sample Hemolysis interferes with the SO measurement Recommended solutions 1 Repeat the analysis 2 Verify the sample is not hemolyzed 3 Verify the result on an alternate reference method 4 Contact Nova Biomedical Technical Support NOVA biomedical A31 Stat Profile Critical Care Xpress Service Manual SO2 LED Instability During the last calibration or analysis sequence the SO sensor measurement did not reach a stable end point Recommended
48. aining in Calibrator Pack 1 If the pack indicates less than 10 remaining replace Calibrator Pack 1 If Calibrator Pack 1 was recently replaced remove the calibrator pack from the analyzer verify that the calibrator pack fitments are correctly seated in their respective positions then reinstall the calibrator pack If one of the upper block sensors was recently replaced verify that the sensors are aligned and installed correctly Also verify that the sensor module latch is locked pushed down If one of the lower block sensors was recently replaced verify that the sensor s are installed correctly pushed in completely and that each sensor has a membrane installed onto it Flush the flowpath with deionized water and recalibrate the system Contact Nova Biomedical Technical Support During the last sequence that the ABG Module attempted to run reference solution was detected in the sensor module To prevent reference solution from flowing backwards through the system all calibration analysis and maintenance sequences are terminated Recommended solutions 1 From the Service Menu select Flow Test then Operator Flow Test Once the sample probe has extended verify fluid is not dripping from the probe tip If fluid is dripping from the probe press done or cancel and proceed to step 3 If fluid is not dripping out of the probe proceed to step 2 With the probe extended present deionized water to the probe for 15 seconds to
49. al Support PCOd Slope The measured difference between the PCO calibrators during the last 2 point calibration did not meet the minimum specification for a properly performing sensor Recommended solutions 1 Recalibrate the PCO sensor 2 Replace the PCO membrane 3 Replace the PCO sensor 4 Replace the WIR pump tubing 5 Replace the ABG calibrator cartridge 6 Contact Nova Biomedical Technical Support PCO Instability During the last calibration or analysis sequence the PCO sensor measurement did not reach a Stable end point Recommended solutions 1 No action required if the message occurs infrequently 2 Ifthe PCO membrane was recently replaced remove the sensor shake down the sensor to remove bubbles from behind the membrane Replace the PCO2 membrane Replace the PCO sensor Replace the W R pump tubing Contact Nova Biomedical Technical Support Sy Pu p PCO Drift During the last analysis sequence the performance of the PCO sensor had changed signifi cantly since the last successful 2 point calibration Recommended solutions 1 Recalibrate the PCO sensor 2 Ifthe PCO2 membrane was recently replaced remove the sensor shake down the sensor to remove bubbles from behind the membrane NOVA A 26 biomedical Appendix 3 Replace the PCO membrane 4 Replace the PCO sensor 5 Replace the W R pump tubing 6 Contact Nova Biomedical Technical Support PCO High Range During the las
50. allow water to be aspirated into the flowcell washing out the reference solution Press done or cancel when completed then recalibrate the ABG Module If one of the upper block sensors was recently replaced verify that the sensors are aligned and installed correctly Also verify that the sensor module latch is locked pushed down If one of the lower block sensors was recently replaced verify that the sensor s are installed correctly pushed in completely and that each sensor has a membrane installed onto it Flush the flowpath with deionized water and recalibrate the system Contact Nova Biomedical Technical Support NOVA biomedical A33 Stat Profile Critical Care Xpress Service Manual No Calibrator A During the last calibration or analysis Calibrator A in ABG Calibrator Pack 1 was determined to be flowing incorrectly Recommended solutions 1 Verify the of reagent remaining in Calibrator Pack 1 If the pack indicates less than 10 remaining replace Calibrator Pack 1 2 If Calibrator Pack 1 was recently replaced remove the calibrator pack from the analyzer verify that the calibrator pack fitments are correctly seated in their respective positions then reinstall the calibrator pack 3 The Calibrator A fitment on the pack may be defective replace Calibrator Pack 1 Flush the flowpath with deionized water and recalibrate the system 5 Contact Nova Biomedical Technical Support No Calibrator B During the l
51. alog Board is the same as for CO Ox Digital Board as all power and signals come from direct connection to CO Ox Digital Board J1 S2000 Spectrophotometer special cable CO Ox CPU Board Location The CO Ox CPU Board is located along the right side of the chassis looking from the front Itis mounted directly to CO Ox Digital Control Board that is above the CO Ox Analog Board Main Function s Communicates with Hard Drive for data acquisition and storage Does all calculations and algorithms for CO Ox module Process digitized signal from CO Ox Analog Board Houses main CO Ox Pentium Processor Minimum Celeron PC 366 MHz NOVA biomedical 2 9 Stat Profile Critical Care Xpress Service Manual 2 2 5 ABG CPU Board Location Information The ABG CPU Board is located along top left section of analyzer laying flat side up There are multiple source manufacturers possible The current board is the PCM 6890B FC Socket 370 Celeron Pentium single board computer with LCD Ethernet Audio and 4 COMs Min Processor Speed MHz Min Pentium Rating Pentium III Main Function s Controls basic analyzer s functions devices CD R Drive Keyboard Mouse Display Audio Keyboard Mouse I O ports Celeron Main CPU Processor Calculations Output Devices Ports Ethernet Serial Comm PCMCIA Card USB Houses Ports Directly on Board Serial Comm Ethernet USB PCM 6890B Power Connections to Board The Power Supply connects vi
52. alysis Recommended solutions 1 Install a new CO Oximeter Calibrator pack by pressing System Menu Mainte nance Replace Install Cartridge Cartridge 4 CO Ox Calibrator 2 Contact Nova Biomedical Technical Support Expired CO Ox Calibrator The system detected that the CO Oximeter Calibrator pack was expired when it attempted to perform a calibration or analysis Recommended solutions 1 Install a new CO Oximeter Calibrator pack by pressing System Menu Mainte nance Replace Install Cartridge Cartridge 4 CO Ox Calibrator 2 Contact Nova Biomedical Technical Support NOVA biomedical A43 Stat Profile Critical Care Xpress Service Manual COOX ADC During the last analysis or calibration the CCX COOX module was unable to obtain a successful measurement reading Recommended solutions 1 No action required if the message occurs infrequently 2 Contact Nova Biomedical Technical Support COOX SulfHb High During the last sample analysis the SulfHb value was measured as greater than 1 5 Recommended solutions 1 Repeat the analysis 2 Verify the result on an alternate reference method 3 Call Nova Biomedical Technical Support if problem exists on all samples COOX Sample Interference During the last sample analysis the concentration of lipids was measured as greater than 3 0 Recommended solutions 1 Repeat the analysis 2 Verify the result on an alternate reference method 3 Contact Nova Biomedical Technical Support i
53. ary 4 3 Service Menu To display the Service Menu press touch SYSTEM MENU then press touch the SER VICE button on the System Menu The Service Menu allows access to the following options Flow Test e System Test Data e Error Log e Versions List e COOX Optical Cal NOVA biomedical 49 Stat Profile Critical Care Xpress Service Manual 4 3 1 System Test Screen CO Ox Section ABG Section pH pCO2p02 SO2 Hct Hb Nat K UL Cart Moi Glu Lac BUN Creat TCO2tHb O2Hb COHb MetHb HHb 172 5741 ADT 6 Lamp V Loy snm y a ABG W Valve Lamp Out 24 74 Lamp Gain 8 34 Sch de T ABG Pump Heater 54 75 Na 95 92 mV CuvetteT 59 6 E Mg 2550 mV FlushT 77 0 BUN 56 78 mV ABG Ref Valve Sample T 37 4 t Glu 5044 mV System T E L H t eater HorizontalFlowcell BP 0 0 mmHg a ABG Rgnts QC Rotary Valve Heater Vertical Flowcell Sampler ADET s 1 5 bottom to top pH pC02p02 02 D Nar Ke Cl Catt Mon Lamp i 02Hb COHb MetHb HHb Lamp V 75 66 Y pl 2 Lamp 1216 A B 51 94 Lamp Contr ol Lamp Out 24 74 Ce E my On Off Lamp Gain 8 34 Ca 86 54 mv Heater 54 75 Na 95 92 mV Hemolyzer CuvetteT 596 C Mg 2550 mV Flush T 7 0 E BUN 5578 mV Sample T 37 4 E Glu 5044 mV CO Ox Pump amp SystemT 629 C Lac 8458 mV More Creat 3 91 my Control i ADET 7 Barometer Reading CO Ox Rgnts Rotary Valve Sample Split Rotary Valve Arr
54. ase Press Home to return to the Main screen NUI Install the New CCX Software Once the database has been backed up you can install the new CCX operating software 1 Open the analyzer s front door then press the CD ROM s open close button to extend the CD tray 2 Place the CCX Software CD in the tray label side up then press the open close button to retract the CD tray Allow 15 seconds for the CD to come up to speed before proceeding From the Main screen press touch System Menu Press Service Press Version List Press Installation A pop up window will appear prompting you to press Yes to proceed with the installation process or No to abort the installation process Press Yes 8 A pop up will be displayed prompting you to press Install to continue the installation process or Cancel to abort the process Press Install 9 The Install Shield Wizard will be displayed Press NEXT to continue with the installation 10 You will be asked if you wish to retain your existing database Press Yes 11 Once the software has finished loading the Install Shield Wizard Completed pop up will be displayed Press Finish The analyzer will reboot SON AE 3 NOVA biomedical 5 Stat Profile Critical Care Xpress Service Manual 5 2 12 13 14 15 16 17 Once the analyzer reboots it will display a Please Wait screen Within 1 minute it should begin downloading the ABG module The down load process takes
55. ast calibration or analysis Calibrator B in ABG Calibrator Pack 1 was determined to be flowing incorrectly Recommended solutions 1 Verify the of reagent remaining in Calibrator Pack 1 If the pack indicates less than 10 remaining replace Calibrator Pack 1 2 If Calibrator Pack 1 was recently replaced remove the calibrator pack from the analyzer verify that the calibrator pack fitments are correctly seated in their respective positions then reinstall the calibrator pack 3 The Calibrator B fitment on the pack may be defective replace Calibrator Pack 1 Flush the flowpath with deionized water and recalibrate the system 5 Contact Nova Biomedical Technical Support D No Calibrator C During the last calibration or analysis Calibrator C in ABG Calibrator Pack 1 was determined to be flowing incorrectly Recommended solutions 1 Verify the of reagent remaining in Calibrator Pack 1 If the pack indicates less than 10 remaining replace Calibrator Pack 1 2 If Calibrator Pack 1 was recently replaced remove the calibrator pack from the analyzer verify that the calibrator pack fitments are correctly seated in their respective positions then reinstall the calibrator pack 3 The Calibrator C fitment on the pack may be defective replace Calibrator Pack 1 Flush the flowpath with deionized water and recalibrate the system 5 Contact Nova Biomedical Technical Support de NOVA A 34 biomedical Appendix N
56. between the Capillary Adapter and the body of the Sampler Assembly Align the Illuminated Capillary Adapter Mount such that the Capillary Adapter mount is on the smooth side labeled Front on the diagram below and the spring support is on the side having a raised section labeled Back on the diagram below using the 2 crosshead screws NOVA biomedical 3 13 Stat Profile Critical Care Xpress Service Manual em ip 8 fa Slide PN34896 smooth side up L Shoulder Screws PN34910 w Spring PN35738 Illuminated Capillary y Y Block PN38566 4 Back Slide Guide Pioni Crosshead Screws Spring Figure 3 20 Capillary Adapter Light 6 Insert the spring into the recess on the back of the Capillary Adapter mount 7 Mount the new Slide Guide with illuminated adapter onto the sampler using the 2 shoulder screws Rotate the wheel on the top of the sampler to lower the sample needle holder to a mid position to make this step easier 8 Snugly Tie wrap the illuminated capillary adapter cable to the tie wrap anchor Tie wrap the motor cables to the illuminated capillary adapter cable such that they run together The tie wraps along the 2 sampler mount cables should be loose enough to allow some movement 9 Reinstall the sampler and connect the illuminator cable into the ABG control board J8 which is located at the bottom left corner of the ABG control board 11 Exercise the sampler to assure the cable
57. c 0 3 Creat 0 2 20 0 mg dL C0 0Ox tHb 5 0 30 0 gm dL O Hb 0 SO 0 100 FO Hb 0 COHb O 100 MetHb 0 HHb O 100 O Ct 0 0 O Cap 0 0 34 75 vol Slope Limits ABG Measured Channels pH 91 11 6 PCO 7 9 PO 15 0 1 6 Nat 8 8 Me 9 5 15 0 K 8 3 Hb ABG 40 98 Ca 8 3 Hct 14 0 45 0 Glu 5 0 Cl 7 7 13 2 Lac 6 0 BUN 9 3 12 9 Creat 3 0 Wavelengths Measured and Used CO Ox Module Measurement 557 577 597 605 624 630 650 nm NOVA biomedical 10 0 100 24 0 14 9 70 20 0 200 500 27 75 20 0 100 1 00 100 34 75 12 6 11 0 12 1 12 6 45 0 100 0 25 0 nmol L g d mmol L mmol L mmol L mg dl mmol L mmol L vol 4 Troubleshooting Measuring Technology Ion Selective Nat K Cl Ca Mg pH BUN Urea PCO Amperometric PO Glu Lac Creat Conductivity Hct Reflectance SO ABG Module Conductivity Reflectance Hb ABG Module Spectrophotometric Hb Fractions CO Ox Module Air Detector Information Total Number 7 ABG 6 CO Ox 1 ABG Module Air Detectors Air Det Location Detection Use 1 Probe S Line Micro Sample ABG Plus Neonate Panels ABG 50 uL 2 Probe S Line Micro Sample Full Panel ABG 100 uL 2 Splitter Valve CO Ox Option Part of Splitter Valve 3 ABG Preheater Normal Sample Full Panel Reagent ABG 150 uL 4 Lower Flowcell Vertical Flowcell Sample Positioning Insufficient sample trailing edge 5 Upper Flowcell Vertical Flowcell To
58. cccnnnnncccccnnnss A 11 ABG Reference Flow A 36 Cat Instability Au A 10 ADT DG i cas edet IU Ee A 4 Ca Low Range eee A 11 AD1 Delta mye A 4 Ca Overload eeesesss A 11 AD1 Insufficient Sample A 4 Ca Slope eiser Eiere teens A 10 Te Ae DEE Beas TOPADO oie A 13 ADA ADO tarta ebriedad A A A venice A 12 AD2 Delta mye A 5 CT High Range sss A 12 AD2 Insufficient Sample A 5 GT Instability eee A 12 Eet Elie eege a is A 5 CP Low Range sete ot oett test A 13 PDS ADO caste seta tu A 6 Cl Overload AE A 13 ADS Delta mye A 6 CI SIODO coe teeth treten et A 12 ADS Insufficient Sample A 6 COHb High Range occcccicnccccccccnncnccccnnns A 47 AD3 OVerloau EE A 6 COHb Low Range occcccccnncccccccnnnnnicccnnns A 46 AD REN AER GOOKADG casi eee A 44 ADA Delta mye A 6 COOX Data Suspect A 46 ADA Insufficient Sample A 7 COOX Drift esse A 44 AD4 O verlo social A 7 COOX Flowtaet A 37 ADS ADO eet A A 8 COOX Flow Glow A 37 AD5 Delta mye A 7 COOX Insufficient Sample A 45 AD5 Insufficient Sample A 8 COOX No Calibrator A 36 ADS OVS load cia Ere et niet pde A 7 COOX No Sample coocccccnnnccccccccocccnccnnns A 37 ADO AD ege Pasce x eet
59. ce therefore the results were determined to be potentially erroneous Recommended solutions 1 Repeat the analysis 2 Verify the result on an alternate reference method 3 Contact Nova Biomedical Technical Support if problem exists on all samples tHb Low Range During the last analysis the measured result exceeded the lower limit of the CO Oximeter Module s THb measurement range Recommended solutions 1 Repeat the analysis 2 Verify the result on an alternate reference method tHb High Range During the last analysis the measured result exceeded the upper limit of the CO Oximeter Module s THb measurement range Recommended solutions 1 Repeat the analysis 2 Verify the result on an alternate reference method O2Hb Low Range During the last analysis the measured result exceeded the lower limit of the CO Oximeter Module s O Hb measurement range Recommended solutions 1 Repeat the analysis 2 Verify the result on an alternate reference method O2Hb High Range During the last analysis the measured result exceeded the upper limit of the CO Oximeter Module s O Hb measurement range Recommended solutions 1 Repeat the analysis 2 Verify the result on an alternate reference method COHb Low Range During the last analysis the measured result exceeded the lower limit of the CO Oximeter Module s COHb measurement range Recommended solutions 1 Repeat the analysis 2 Verify the result on an alternate reference method
60. ced verify that the sensor s are installed correctly pushed in completely and that each sensor has a membrane installed onto it 5 Flush the flowpath with deionized water and recalibrate the system 6 Contact Nova Biomedical Technical Support No Performance Check Solution During the last Performance Check Solution analysis Performance Check Solution was determined to be flowing incorrectly Recommended solutions 1 Ze Repeat the Performance Check Solution analysis Verify that Chemistry Control 5 runs properly If Chemistry Control 5 runs properly replace the Chemistry Auto Cartridge QC pack If Chemistry Control 5 exhibits the same error condition proceed to step 3 If one of the upper block sensors was recently replaced verify that the sensors are aligned and installed correctly Also verify that the sensor module latch is locked pushed down If one of the lower block sensors was recently replaced verify that the sensor s are installed correctly pushed in completely and that each sensor has a membrane installed onto it Flush the flowpath with deionized water and recalibrate the system Contact Nova Biomedical Technical Support Not Present Invalid Blood Gas Controls The system detected that the Auto Cartridge QC pack was not present or was invalid when it attempted to analyze Blood Gas Control levels 1 2 or 3 Recommended solutions A40 1 2 Verify that the Blood Gas Auto Cartridge Pack is corre
61. ckt ia hon a ete au A 1 Drawings Interconnect Diagram CCX NO COOX Pg1 Interconnect Diagram CCX NO COOX Pg2 Wiring Diagram CCX COOX Calibration Tool PN20951 NOVA 1 1 Introduction This manual contains information and procedures used in servicing the Stat Profile CCX Analyzer The intent is to supplement the information provided in the CCX Instructions for Use Manual PN 39344 and the CCX Advanced User Applications Manual PN 38343 This manual does not supercede any current performance specification claims expendable main tenance procedures or warranty criteria as outlined in the reference manual The Analyzer Environmental Ambient Temperature 15 32 C 59 86 P Ambient Humidity 096 9596 Non condensing Energy consumption Air Conditioning Load Peak 80 BTU Hour Power Consumption 240 watts peak Power requirements 100 120 230 240 VAC 50 60 Hz 4 Amp Time Delay SB 2A or T2A at 100 120VAC line Physical Dimensions Weight 22 kg 53 lbs Dimensions 41 cm high 16 in x 41cm 16 in wide x 56cm 22 in depth Regulatory Compliance The analyzer is tested and acceptable to attach the CSA TUV GS Europe JIS Japan and CE self declaration safety marks and complete with ENG1010 1 ENG55011 and IEC 801 2 Refer to Instruction for Use Manual Location Place on a stable stationary surface e 8cm 3 in clearance to a wall or adjacent instrumentation e Not intended for operating
62. critical to ensure the reagent tubing is reconnected to the correct port The tubing starts at lower bottom and moves clockwise NOTE There are 3 Rotary Valves on this unit The stator and rotor are unique to each valve NOVA 3 16 biomedical 3 16 Printer Assembly Printer Board 1 The Printer is mounted on the back of the left side front door by 2 thumb tab screws These screws must be turned fully counterclockwise to align the tabs with the mounting holes 2 While removing the Printer be careful not to damage the wires coming from the Power Distribution and Host Computer Boards NOTE To fit the Printer Cable connector P4 through the front panel remove the connector cap and dress the wire along the grooves in the connector See Figure 3 24 3 Install the new assembly by reversing the above steps 3 17 Display Assembly 1 Remove the Printer As sembly to access the mounting screws 2 The Display is attached to the door by 4 mount screws CAUTION Support the heavy display while removing the last screw NOVA biomedical 3 Replacement Procedures Mount Screws Figure 3 25 Removal 4 Mounting Screws Stat Profile Critical Care Xpress Service Manual 4 Unfold the display assembly from Mount Screws Figure 3 26 Removal 4 Mounting Screws 3 Disconnect the Backlight power supply cable the door 5 Remove the 2 screws from the display cable bracket 2 Mount Screws
63. ctly inserted into its slot Reinstall the Blood Gas Auto Cartridge QC Pack by pressing System Menu Maintenance Replace Install Cartridge Cartridge 2 Blood Gas Controls Contact Nova Biomedical Technical Support nova biomedical Appendix Empty Blood Gas Controls The system detected that the Blood Gas Auto Cartridge QC pack was empty when it attempted to analyze Blood Gas Control levels 1 2 or 3 Recommended solutions 1 Reinstall a new Blood Gas Auto Cartridge QC Pack by pressing System Menu Maintenance Replace Install Cartridge Cartridge 2 Blood Gas Controls 2 Contact Nova Biomedical Technical Support Expired Blood Gas Controls The system detected that the Blood Gas Auto Cartridge QC pack was expired when it attempted to analyze Blood Gas Control levels 1 2 or 3 Recommended solutions 1 Reinstall a new Blood Gas Auto Cartridge QC Pack by pressing System Menu Maintenance Replace Install Cartridge Cartridge 2 Blood Gas Controls 2 Contact Nova Biomedical Technical Support Not Present Invalid Chemistry Controls The system detected that the Auto Cartridge QC pack was not present or was invalid when it attempted to analyze Chemistry Control levels 4 5 or 6 Recommended solutions 1 Verify that the Chemistry Auto Cartridge Pack is correctly inserted into its slot 2 Reinstall the Chemistry Auto Cartridge QC Pack by pressing System Menu Maintenance Replace Install Cartridge Cartridge 3 Chemistry Control
64. d by pressing Display Flow Test Data pH pCO2 pO2 SO2 Hct Hb Nat K CL Cat Mgt Glu Lac BUN Creat TCO2 tHb O2Hb COHb MetHb HHb OGOFF ERROR LOG gt gt gt SAVED DATA VERSION LIST COOX OPTICAL CAL Figure 4 1 Service Menu Screen NOVA biomedical 45 Stat Profile Critical Care Xpress Service Manual K CL Catt Matt O2Hb COHb MetHb HHb DATA Figure 4 2 Flow Test Menu Screen 4 2 2 Operator Tests NOTE This procedure will not access the COOX option flowpath F Figure 4 3 Flushing Flowpath with Syringe filled with Water NOVA 46 biomedical 4 Troubleshooting Operator Flow Test raises the probe opens the waste solenoid and turns on the pump It is designed to isolate the problem After entering the test proceed as follows 1 Place the sample tip into a cup of water If there is aspiration the problem have a cause earlier in the flow path Here are the possibilities Poor seal between the capillary adapter and fluid fountain Malfunction of the rotary valve Plug in the Common line rotary valve to fluid fountain Plug in an individual calibrator QC tubing 2 No Aspiration through Flowpath a Remove the inlet tubing to the preheater Observe the Waste line from the pump and flowcell and look for flow or place tubing on the preheater inlet and into a water source No Aspiration indicates the Probe S line is clear Aspiration does occur in anon COOX Analyzer Probe S Li
65. d pump aspirates the sample through a T fitting where a lysing agent is added 6 1 ratio sample to lyse The sample then passes through an optical detector a hemolyzer PN 38155 a sample preheater PN 36465 and then pauses in the optical cuvette PN 38167 A white light is passed through the sample The light escaping absorption is transported to a spectrophotometer via a light pipe The sample is the aspirated through the CO Oximeter pump to the waste The Blood Splitter valve rotates to the flush position to clean the flowpath behind the sample The flowpath between the sample probe and the Blood Splitter valve is flushed by the blood gas flush solution The cuvette is washed at the end of the sample cycle The splitter valve assembly rotates to the CO Ox rotary valve position The CO Ox Rotary Valve PN 37849 has 5 positions One position is to the CO Ox flush solution that cleans the system ABG Electrolyte Metabolite Blood Gas The ABG sample enters the analyzer through the sample probe If the analyzer does not have a CO Oximeter option the sample passes through 2 air detectors on its way to a sample preheater Ifthe analyzer does have a CO Oximeter option the sample is aspirated through one in line air detector The second air detector is part of the blood splitter valve The home position of this valve aligns the sample probe with the ABG sample preheater There are 3 heaters on the ABG side of the unit one is bolted to the bottom o
66. difference between the liquid and air phase is 400 mV A failure to meet the above criteria will require cleaning or replacement of the air detector This assumes no flow obstruction or air leak into the flow path exists NOVA 4 22 biomedical 4 Troubleshooting 4 6 3 Calibration Standards Nominal Millivolt Differences 4 6 4 Sensor Standards Used in Approximate Delta mV Calibration Slope between standards pH A amp B 30 Stds C amp D Check for PCO Bicarb Nat C amp B 17 K C amp B 24 Cu C amp B 12 Cl C amp B 15 PO Room Air Electronic 0 12 Ratio PO signal Air to Std C for 2 pt Cal 1 PCO C amp B 14 Hct amp ADET s C amp B gt 500 Adt 3 Het all ADET s ideal gt 800 SO External Stds 1 amp 2 LED 1 Std 1 2 gt 1000 LED 2 Std 1 2 lt 50 Glu B amp C 38 55 Internal QC Level 6 Performance Check 700 2000 Lac D amp C 20 60 Linearity Check A 15 2 mmol L Me C amp B 13 BUN D amp C 28 Creat C amp D gt 70 Intl QC Level 6 Perf Check 0 2 1 9 mg dL Each Standard is checked for PO signal to Air ratio gt 90 Else generate Air Error Contaminated Pack Analog Channel by Analyte Analyte Channel Analyte Channel Analyte Channel Calcium 1 Bar Pressure 7 BUN 41 Potassium 2 Creatinine 13 Peak 16 Magnesium 45 Sodium 3 Lactate 14 Peak 17 PO2 54 pH 4 Glucose 15 Peak 18 ADT 6 12 Chloride 5 SO LED1 21 ADT 3 13 PCO 6 SO LED2 22 ADT 1 76 ADT 5 32 used for Back Flow
67. difference between the pH H calibrators during the last 2 point calibration did not meet the minimum specification for a properly performing sensor Recommended solutions 1 Recalibrate the pH H sensor 2 Replace the pH H sensor 3 Replace the ABG Calibrator pack 4 Replace the WIR pump tubing 5 Replace the Reference sensor 6 Contact Nova Biomedical Technical Support pH H Instability During the last calibration or analysis sequence the pH H sensor measurement did not reach a stable end point Recommended solutions 1 No action required if the message occurs infrequently 2 Confirm the pH H sensor is correctly seated in the sensor module 3 Recalibrate the pH H sensor 4 Replace the pH H sensor 5 Replace the W R pump tubing 6 Contact Nova Biomedical Technical Support pH H Drift During the last analysis sequence the performance of the pH H sensor had changed signifi cantly since the last successful 2 point calibration Recommended solutions 1 Recalibrate the pH H sensor 2 Confirm the pH H sensor is correctly seated in the sensor module 3 Replace the pH H sensor 4 Replace the WIR pump tubing 5 Replace the Reference sensor 6 Contact Nova Biomedical Technical Support pH H High Range During the last analysis the measured result exceeded the upper limit of the pH H sensor s measurement range Recommended solutions 1 Repeat the analysis 2 Verify the result on an alternate re
68. e board 4 Reverse the steps to mount the new board Figure 3 17 Mounting Screws NOVA biomedical 3 11 Stat Profile Critical Care Xpress Service Manual 3 10 Fluid Pack RMS Cables 1 Remove the analyzer cover 2 Each fluid pack RMS cable is mounted by a bracket attached with screws to the fluidic compartment RMS Cable Harnesses Figure 3 18 RMS Cable Harnesses 3 11 Sampler Assembly 1 Remove the analyzer cover 2 Remove the tubing from the Sampler Assembly Remove the sample probe Remove the cover plate located at the bottom front of the Sampler Assembly to allow access to the C line Fluid Fountain connection 2 hex key screws NOVA 3 12 biomedical d 3 Replacement Procedures Unplug the sampler motors from the ABG Controller Board The sampler is mounted by 2 screws at the front of the assembly and 2 screws at the rear of the assembly The rear inside mount is slotted The hex key screw are only loosened After removing the other 3 screws slide the assembly forward and lift it from the chassis Install the assembly by reversing Steps 2 through 5 Slotted Hex Screw Mount Figure 3 19 Sampler Assembly 3 12 Capillary Adapter Light p p em Shutdown the analyzer and remove the Sample Probe Remove the Sampler Assembly Rotate the gears manually to raise the probe to the capillary position Remove the 2 shoulder screws and the slide guide from the sampler NOTE There is a spring
69. e sample probe 2 Het Hb Nat K CL Catt Mgt at TCO2 tHb O2Hb COHb MetHb HHb Nat K CL Cat OHb Met Figure 4 4 Main Menu to Flowpath Maintenance Screen 2 Disconnect the tubing coming from the blood detector to the upper fluid deck port at the fluid deck end Figure 4 5 Flowpath Flush Areas NOVA 4 8 biomedical 4 Troubleshooting 3 Connectasyringe filled with water to this free end of the tubing Apply a slight pressure a Ifwater flows freely out the Sample Probe tip the problem is in the Cuvette COOX Preheater b If Water does NOT flow freely the problem is the splitter valve or probe Disconnect the hemolyzer tubing line from the splitter valve c If water starts to flow the splitter valve is plugged or cannot move to the correct position d Ifano flow condition still exists disconnect the sample probe Then flush or replace it Blood detector splitter valve probe checked clear of obstruction e Disconnect the cuvette outlet tubing from the lower fluid deck port f Connect a syringe of water to this free end of the tubing Apply a slight pressure Flow should come out of the cuvette port that would attach to the hemolyzer tubing g If not a plug exist in the cuvette or preheater removed the cuvette h Remove the cuvette slide and inspect the cuvette for obstruction i Remove the tubing from the cuvette to the preheater Connect the syringe to the preheater and flush Clean or replace as necess
70. e slot on the side of the manifold with the anti rotation pin of the valve housing NOTE The Blood Splitter Valve uses the outlet port to the preheater inlet as its anti rotation device c Place the compression spring against the Manifold d Install the hand nut by rotating clockwise until tight NOTE Do not over tighten the hand nut 6 Reinstall all tubing connections and restore the CCX Analyzer to normal operation NOVA 5 12 biomedical 5 Adjustments and Maintenance Procedures 5 8 Adding the Keypad Option Je DM eS M Pres Retaining Clip Open the bottom front panel door Remove the 8 mounting screws from the black panel Place the keypad onto the door with the connecting cable to the left Reinstall the 7 mounting screws The keypad does not have a mount screw hole in the middle along the front edge of the door Plug the keypad into the lower connector on the left side of the front panel Each mounting screw has a corresponding detent on the bottom side of the overlay Align the overlay and press down onto the mounting screws The side closest to you does not have a middle mount screw A black clip has been provided to hold the overlay to keep it from falling off the door when closed It is held to the door with tape Remove the backing Align the clip and press it into place Reboot the system after plugging in the Keypad Bottom door back plate removed Keypad Overlay Keypad CO Qo
71. e speaker assembly from the fan Speaker removal procedure a The speaker is mounted to the top 2 fan mounting screws b The speaker is plugged into the Distribution Board J17 It will be easier to lay the speaker to the side If removed verify that the cable lays along the same path as it did before being removed Speaker Mount Screws Figure 3 13 Speaker Removal a Remove the ground wire from the shield plate Remove the 3 mounting screws Then remove the shield 5 Disconnect the connector from the CPU Board Note how the cable is routed i e the sound wire is routed under the CPU 6 Remove the ABG CPU Card 7 If replacing this assembly mount the replacement by reversing the above steps 8 The CD and Hard Drives are mounted to one chassis bracket The bracket is held to the chassis by 2 screws on the side closest to the edge of the analyzer and one accessed from the middle of the analyzer 9 Afterremoving these screws the bracket and drives may be removed out the top of the analyzer 10 The individual drive is held to the bracket by screws on each side not keyed are attached to each device Severe damage may occur if not connected CAUTION Pay strict attention to how the flat data cable and the display cable N correctly in particular the Drive Data flat cable Connector on the ABG CPU nova biomedical 3 9 Stat Profile Critical Care Xpress Service Manual NOTE Red wire is to the Left looking f
72. e the Lac membrane otherwise just replace the Lac membrane 4 Replace the Lac sensor 5 Contact Nova Biomedical Technical Support Lac Linear Range During the last analysis the measured result exceeded the upper limit of the Lac sensor s measurement range Recommended solutions 1 Repeat the analysis 2 Verify the result on an alternate reference method Lac Overload During the last calibration or analysis sequence the Lac sensor reading was outside the software s limits Recommended solutions 1 Recalibrate the Lac sensor 2 Remove the sensor from the sensor module using a cotton swab verify that the sensor module does not have any old membrane material left behind in the sensor chamber 3 Ifthe Lac sensor has not been polished recently polish the sensor and replace the Lac membrane otherwise just replace the Lac membrane 4 Replace the Lac sensor 5 Contact Nova Biomedical Technical Support Lac ADC During the last analysis or calibration the CCX was unable to obtain a successful measurement reading from the Lac sensor Recommended solutions 1 No action required if the message occurs infrequently 2 Contact Nova Biomedical Technical Support Mg Slope The measured difference between the Me calibrators during the last 2 point calibration did not meet the minimum specifications for a properly performing sensor Recommended solutions 1 Recalibrate the Mg sensor Confirm the Mg sensor is cor
73. ed correctly 3 Contact Nova Biomedical Technical Support COOX Temperature Failure Indicates the COOX cuvette temperature exceeds the software s acceptable limits Recommended solutions 1 Reseat the COOX Cuvette assembly 2 Replace the COOX Cuvette assembly 3 Contact Nova Biomedical Technical Support COOX System Temperature Failure A system temperature failure occurs if the internal system temperature falls below 15 C orrises above 38 5 C Recommended solutions 1 Insure ambient room temperature is within the analyzer s operating specifications 2 Contact Nova Biomedical Technical Support COOX Insufficient Sample During the last analysis ADI detected air when it expected to detect fluid Recommended solutions 1 Insure there is sufficient sample volume in the sample container repeat the analysis 2 Confirm the correct sample container is selected on the Panel Selection screen repeat the analysis 3 Verify that the ADI cable is plugged in correctly recalibrate the analyzer Flush the flowpath with deionized water and recalibrate the analyzer 5 Clean the flowpath using the Deproteinize COOX Flowpath maintenance proce dure 6 Replace the Sample Probe S line and recalibrate 7 Contact Nova Biomedical Technical Support NOVA biomedical A45 Stat Profile Critical Care Xpress Service Manual COOX Data Suspect During the last sample analysis the CO Oximeter measured fractions exhibited an unknown interferen
74. error ADT 4 33 Reference 23 63 ADT 2 36 NOVA biomedical 4 23 Stat Profile Critical Care Xpress Service Manual 4 7 4 24 Power On Sequences When power is applied a single beep is heard This indicates the ABG CPU processor has started If a CO Oximeter option is present a second single beep will be heard indicating the CO Ox CPU has started NOTE The single beep of the CO Ox CPU is the only indication of a proper start up Multiple beeps means the CPU start up has failed requiring a reload of the program or replacement of the CPU The ABG control board has 3 sets of LED indicators l Memory At the bottom behind the RAM memory card there is a column of 5 LEDs They will all come on and as the board performs its own memory check 1 light will go out then on starting at the bottom After the memory check all of these will go out If they stay lit they are waiting command from the ABG CPU There is no communication between the ABG CPU and the ABG Control board ABG I O A row of 3 LEDs found at the upper right corner of the ABG Control board All three will come on The inside LED LED7 monitors the I O access to the processor and appears to go dim The middle LED LED8 monitors the I O bus and appears to remain on Full The outside light LED9 monitors the communication to the analog boards Once this communication has been established the light goes off This also enables all the mechanical devices i e the Heater
75. f problem exists on all samples COOX Results Suspect During the last sample analysis the CO Oximeter measured fractions exhibited an unknown interference therefore the results were determined to be potentially erroneous Recommended solutions 1 Repeat the analysis 2 Verify the result on an alternate reference method 3 Contact Nova Biomedical Technical Support if problem exists on all samples COOX Drift During the last analysis sequence the performance of the CO Oximeter had changed signifi cantly since the last successful calibration Recommended solutions 1 Recalibrate the CO Oximeter 2 Replace the COOX pump tubing 3 Clean the flowpath using the Deproteinize COOX Flowpath maintenance proce dure 4 Contact Nova Biomedical Technical Support NOVA A44 biomedical Appendix COOX Temperature Drift A temperature drift occurs if the internal system temperature changes by more than 50 C since the last successful calibration Recommended solutions 1 Recalibrate the CO Oximeter module 2 Large temperature fluctuations in the analyzer s location may cause this to occur Stabilizing the temperature in the surrounding area can eliminate the problem 3 Contact Nova Biomedical Technical Support COOX Not Calibrated Indicates an unsuccessful calibration cycle occurred Recommended solutions 1 Recalibrate the CO Oximeter module up to three times 2 If using external calibrator confirm the Calibrator lot number is enter
76. f the sensor module one is in the sample path for the PO PCO sensors and one is in the flow through sensor section for the pH measurement There are 6 air detectors 2 on the S Line if the splitter valve is present the S Line has one and the valve the other 2 ADTs in the flow cell ADT3 is used for the Hct measurement and a fifth ADT in the reference electrode Flow control on the ABG side is done with one pump and 2 solenoid valves The Waste solenoid is normally open and the Reference is a normally closed solenoid valve NOVA biomedical 2 Product Description 2 2 Electronic Assemblies 2 2 1 Power Distribution The analyzer connects to wall power via an Input Module The main fuses are located on the rear panel left side looking from the front of the instrument directly above the power cord inlet The access door rotates downward exposing the 2 fuses The fuse rating is 4 0 Amp for 100 120 Vac and for 220 240 Vac operation The Line Voltage Input module feeds the universal switching power supply The secondary outputs of the Power supply assembly are distributed either directly for the Analog and Control Boards or to a Distribution Board located on the left side of the analyzer 2 2 2 Spare Parts Description Part Number ABG Digital Control Board ceca eae eae 37449 Analog Board 2 per Unit identical eee 33390 Analog Beard CODA e A os 38165 Bar Code Reader usura 37624 Blood Detectors
77. ference method pH H Low Range During the last analysis the measured result exceeded the lower limit of the pH H sensor s measurement range Recommended solutions NOVA A 28 biomedical Appendix 1 Repeat the analysis 2 Verify the result on an alternate reference method pH H Overload During the last calibration or analysis sequence the pH H sensor reading was outside the software s limits Recommended solutions 1 Recalibrate the pH H sensor 2 Confirm the pH H sensor is correctly seated in the sensor module 3 Replace the pH H sensor 4 Contact Nova Biomedical Technical Support pH H ADC During the last analysis or calibration the CCX was unable to obtain a successful measurement reading from the pH H sensor Recommended solutions 1 No action required if the message occurs infrequently 2 Recalibrate the pH H sensor 3 Contact Nova Biomedical Technical Support PO Slope The measured difference between the PO calibrators during the last 2 point calibration did not meet the minimum specifications for a properly performing sensor Recommended solutions 1 Recalibrate the PO sensor 2 Ifthe PO membrane was recently replaced remove the sensor shake down the sensor to remove bubbles from behind the membrane 3 Polish the PO sensor replace the PO membrane 4 Replace the PO sensor 5 Replace the ABG calibrator cartridge 6 Contact Nova Biomedical Technical Support PO Instabilit
78. g the last analysis sequence the performance of the Hct sensor had changed significantly since the last successful 2 point calibration Recommended solutions 1 Recalibrate the Hct sensor 2 Flush the flowpath with deionized water and recalibrate the Hct sensor 3 Contact Nova Biomedical Technical Support Hct Instability During the last calibration or analysis sequence the Hct sensor measurement did not reach a stable end point Recommended solutions 1 No action required if the message occurs infrequently 2 Recalibrate the Hct sensor 3 Hlush the flowpath with deionized water and recalibrate the Hct sensor 4 Contact Nova Biomedical Technical Support Hct High Range During the last analysis the measured result exceeded the upper limit of the Hct sensor s measurement range Recommended solutions 1 Repeat the analysis 2 Verify the result on an alternate reference method Hct Low Range During the last analysis the measured result exceeded the lower limit of the Hct sensor s measurement range Recommended solutions 1 Repeat the analysis 2 Verify the result on an alternate reference method NOVA biomedical A17 Stat Profile Critical Care Xpress Service Manual Hct Overload During the last calibration or analysis sequence the Hct sensor reading was outside the software s limits Recommended solutions 1 Recalibrate the Hct sensor 2 Flush the flowpath with deionized water and recalibrate the Hct sensor
79. g these steps Mount Screws Preheater Figure 3 9 Preheater 3 4 Sensor Module Interface Board The Interface Board is mounted inside and behind the sensor module 1 Remove the analyzer cover and the sensor module 2 Disconnect the cables from the Interface Board NOTE The Analog Boards are only different due to jumper positioning Verify that you matched the labels where each cable is connected 3 Install the Interface Board leaving the mounting screws loose enough to allow some movement 4 Mount the sensor module to align the Interface Board with the Sensor Module 5 Tighten the interface mounting screws Interface Board Analog Boards 1 and 2 x M Figure 3 10 Sensor Module Interface Board NOVA 3 6 biomedical 3 5 Analog Boards 1 Remove the analyzer cover 2 The Analog Boards are slid into the card holder with no mounting hardware Disconnect the cables and slide the board upward 3 Verify that the jumper settings are correct before installing the new board Jumper Jumper pHOx L CCX Basic CCX Bd 1 JPR 1 JPR 2 JPR 3 JPR 4 JPR 5 JPR 6 Analog Board 2 3 to 4 3 to 4 3 to 4 3 to 4 3 to 4 3 to 4 1 to2 1 to2 1 to2 3 to 4 3 to 4 3 to 4 N 0 Wo 3 to 4 3 to 4 3 to 4 3 to 4 1 to2 1 to2 3 Replacement Procedures O 3 to 4 1 to2 1 to2 1 to2 3 to 4 3 to 4 Figure 3 11 Analog Boards I and 2 nova biomedical CCX Bd 2 Analog Board 1 3 7
80. gnments are as follows Analyte Board 1 Channel Analyte Board 2 Channel Calcium 1 BUN 41 Potassium 2 Magnesium 45 Sodium 3 PO 54 pH 4 ADT 6 Ref 72 Chloride 5 ADT 3 Preheater 73 PCO 6 ADT 1 S line 76 Barometric Pressure 7 Creatinine 13 Reference 23 63 Lactate 14 Glucose 15 SO LED1 21 SO LED2 22 ADT 5 Flowcell 32 ADT 4 Flowcell 33 ADT 2 S line 36 Reference 23 2 2 7 Flowcell Interface Board The Flowcell Interface Board connects the sensor module with the appropriate Analog Board Location Information The Flowcell Interface Board is directly behind flowcell sensor module and connects to the flowcell Main Function s It connects the flowcell sensor inputs to the Analog Boards There are no active components test points or LED s on this board NOVA 2 12 biomedical 2 Product Description 2 2 8 Power Distribution Board Location Information The Power Distribution Board is mounted to the left side of the analyzer looking from the front Main Function s The Power Distribution Board receives input voltages from power supply assembly and distributes the regulated voltages to the instrument circuit boards Each line is protected by a thermal fusister self resetting The voltage for each board may be detected by placing a probe on the metal top of the fusister FB as this is the output to the peripheral boards Power Connections to from Board Connections for Peripheral Devices
81. gram Load Bright during program load then remains dimly lit D8 Processor On Clock processor brightly lit relating to clock speed D9 Drivers On for loading of mechanical devices program and then OFF NOTE When D9 goes out the 24 VDC is enabled to the ABG mechanical devices Each device moves to its Home position D22 Heater 1 ON when Heater 1 is turned ON sensor module D23 Heater 2 ON when Heater 2 is turned ON preheater NOTE The preheater is turned ON OFF in a timed cycle independent of temperature D24 Heater 3 ON when Heater 3 is turned ON pH Main Chips Information There are no serviceable replaceable components on this board U3 U4 Pump Control U25 Clock Q3 Heater Driver U46 47 Probe Motor U29 CPU Q4 Q6 Valve Driver U5 U6 Sampler Motor U51 Temperature Control U20 COM2 U2 U7 Rotary Valve U30 COM 3 U32 Power Reset U12 Motor Control I O Multiplexer NOVA biomedical 27 Stat Profile Critical Care Xpress Service Manual 2 2 4 CO Ox Digital Control Board CPU Analog Board 2 8 CO 0x Digital Control Board Location The CO Ox Digital Control Board is located along the right side of the chassis looking from the front It is attached to ABG Digital Control Board The CO Ox CPU and Analog boards are attached and electronically connected to the CO Ox Digital Control Board Main Function s Controls powers the mechanical and elect
82. he AD2 cable is plugged in correctly recalibrate the analyzer 2 Replace the Sample Probe S line and recalibrate 3 Contact Nova Biomedical Technical Support 1 Fora CCX analyzer with a COOX module AD2 is located in the Splitter Valve Verify that the AD2 cable is plugged in correctly recalibrate the analyzer 2 Contact Nova Biomedical Technical Support AD2 Overload During the last calibration or analysis sequence the AD2 reading was outside the software s limits Recommended solutions 1 ForaCCX analyzer without a COOX module AD2 is located in the Sample Probe S line Verify that the AD2 cable is plugged in correctly recalibrate the analyzer 2 Replace the Sample Probe S line and recalibrate 3 Call Nova Biomedical Technical Support 1 Fora CCX analyzer with a COOX module AD2 is located in the Splitter Valve Verify that the AD2 cable is plugged in correctly recalibrate the analyzer 2 Contact Nova Biomedical Technical Support AD2 ADC During the last analysis or calibration the CCX was unable to obtain a successful measurement reading from the AD2 air detector Recommended solutions 1 No action required if the message occurs infrequently 2 Contact Nova Biomedical Technical Support AD2 Insufficient Sample During the last calibration or analysis AD2 detected air when it expected to detect fluid Recommended solutions 1 Ensure there is sufficient sample volume in the sample container repeat the analysis
83. ial ABG Chemistry Panel 210 uL Metabolite Cap Colors Glucose Black Lactate Tan BUN Blue Creat Green Interface Information Ports at Rear Side of Analyzer USB 2 Serial 1 COM3 LAN Ethernet 1 Keyboard Lower connector accessed from front bottom left side Mouse Upper connector accessed from front bottom left side Data Format Output HL 7 and ASTM HL 7 output formats available Bidirectional interface NOVA biomedical 4 Troubleshooting 4 2 Flow Troubleshooting 4 2 1 Instrument Flow Tests All flow tests are accessible from the Service Screens WARNING Use appropriate protective face shield gloves etc when A attempting to flush clean or handle any components of the analyzer that NW come in contact with blood specimens CAUTION Care should be taken while using a syringe to flush the flowpath A syringe may exert enough force to rupture a membrane or break the seal between flow through sensors allowing fluids to splash onto the surfaces of the flow cell components The Flow test may be used to isolate flow problems quickly From the Service Menu screen select Flow Test to display the Flow Test Menu Operator Flow Test Display Flow Test Data Run ABG Flow Test and Run COOX Flow Test Press Operator Flow Test to initiate this procedure Run ABG and COOX Flow Tests are internally run functions for advanced diagnostic testing of the CCX Analyzer The data from this diagnostic test is viewe
84. ial left behind in the sensor chamber NOVA A 14 biomedical Appendix 3 Replace the Creat membrane 4 Replace the Creat sensor 5 Contact Nova Biomedical Technical Support Creat ADC During the last analysis or calibration the CCX was unable to obtain a successful measurement reading from the Creat sensor Recommended solutions 1 No action required if the message occurs infrequently 2 Contact Nova Biomedical Technical Support Glu Slope The measured difference between the Glu calibrators during the last 2 point calibration did not meet the minimum specifications for a properly performing sensor Recommended solutions 1 Recalibrate the Glu sensor 2 Remove the sensor from the sensor module using a cotton swab verify that the sensor module does not have any old membrane material left behind in the sensor chamber 3 Ifthe Glu sensor has not been polished recently polish the sensor and replace the Glu membrane otherwise just replace the Glu membrane 4 Replace the Glu sensor Replace the ABG calibrator cartridge 6 Contact Nova Biomedical Technical Support yi Glu Instability During the last calibration or analysis sequence the Glu sensor measurement did not reach a stable end point Recommended solutions 1 No action required if the message occurs infrequently 2 Ifthe Glu sensor has not been polished recently polish the sensor and replace the Glu membrane otherwise just replace the Glu membrane
85. ibrating standards resulted in a slope value below or above acceptable limits Instability During the sample period the difference between the minimum and maximum value was to high This is usually a function of the sensor or membrane Range Error Result is outside the entered QC or reference range usually due to improperly entered value or units of measure a membrane depleted or sensor reaching the end of life or control material use after its expiration date Overload The signal strength was to strong This is usually membrane or sensor related E 0 Drift The last 1 point calibration signal does not compare with the signal generated by the same standard at the time of the last 2 point calibration Analog to DigitalThis is usually a communication failure between the analog board and the Converter CPU Math Error The analyzer is unable to perform a calculation This is usually due to one or more of the needed values are missing Dependency Error An error or missing result from a dependent Analyte i e pH is needed for a PCO2 result NOVA biomedical 4 21 Stat Profile Critical Care Xpress Service Manual 4 6 2 Air Detector testing General The air detectors are spilt between the 2 analog boards Each analog board generates the excitation for it own set of air detectors ADT 1 3 6 operate from analog board 2 and ADT 2 4 5 operate from Analog Board 1 This procedure is performed from the Service Menu SYSTEM MENU SERVIC
86. ibration Eyels viii a e a 4 18 Z4 ABG Sample Cyele ti A Bee 4 18 4 4 5 Combined or CO Oximeter Sampling Cycle sss 4 19 4A 6 Micro Sample la id 4 20 4 5 itor COS uoo od eio ilu Rit ead ket eG eae 4 20 46 gt Resolving Results Problems ees ege 4 21 40 1 Parameter EE 4 21 4 0 2 Air Detector ESO eese e vecti dette ped dna desea od AA 4 22 4 6 3 Calibration Standards Nominal Millivolt Differences 4 23 4 6 4 Analog Channel by Analyte cion tdi 4 23 4 7 Power On Sequences coii m ob A ege 4 24 5 Adjustments and Maintenance Procedures 5 1 5 1 Installing Software Upgrades iii iei iate dee Ree REN PE ENEE oro 5 1 5 4 Touch Screen Calibration ioc ae Dae ER UST ORIS S QUIS SI il stars 5 3 5 3 Adding Peripheral devices iet tet aora Pene th ase e A eau eech 5 3 5 4 Spectrophotometer Optical Calibration ooooonnncccnoncccnononcnonnnononcnononccnnnnccnnnnccnnnos 5 3 5 5 CO Oximeter Lamp Intensity iii etin eet nba tet Ie eae Nee gc 5 5 5 6 Internal Tube Replacement aede t dan aen S ORAN o EES ZE 5 8 5 7 Rotary Valve Clear 5 10 5 8 Adding the Keypad Option 5 iui tet retten deed 5 13 5 9 Adding the Bar Code Reader iti ernsa eh Ie eeu tet eere eR eh d 5 14 5 10 Sampler Syringe Adapter Alignment eese 5 14 NOVA PN 33826 Rev B 9 2005 biomedical TOC3 Table of Contents A Appendix io cat eb er awe cesses Mel A l Error C Odes ibt sion cete Post cbe eiae ae a aa Pa
87. ibrator 25 35 mL sec COOX Internal Control 35 45 mL sec e Fast or slow rate on an individual fluid indicates a restriction in that fluids tubing e Fast or slow rates in multiple fluids indicate an air leak or plug in the common flow path in the capillary adapter to fluid fountain connection or a rotary valve problem e All flow times fast or slow is indicative of poor pump tubings e COOX If the hemolyzer does not start the blood detector did not see the sample e COOX Ifthe sample does not stop in the cuvette for one second the cuvette is dirty the flow reversed though the cuvette check tubing or the light source is out e Slow Calibration rate and normal analysis rate indicate a poor seal between capillary adapter and fluid fountain or rotary valve positioning errors 4 3 4 Sensor Sub Systems From the Menu press SERVICE DATA then SENSOR SUBSYSTEM The Calibration Data screen appears Here is the interpretation of the screen data e PO doesnotuse any fluid calibrator The millivolts developed are the same as Room Air A decrease in the PO millivolts indicates that calibrator is contaminated Refer to Section 4 5 3 for the normal millivolt spread for successful calibration Elevated millivolts on the I S E channels pH and BUN indicate an aging reference electrode e An individual channel millivolt level extremely high or low indicates an aging sensor or membrane e Lactate uses Standard A as a linearit
88. ical 3 Replacement Procedures 3 22 Replacing the SO Amp Board It is feasible to change the SO Amp Board without affecting any other components inside of the Sensor Module It is important to note that none of the cables connected to any other component should be moved Note This procedure applies only to Sensor Modules with lot number 306671 or higher Sensor Modules prior to this specified lot require re placement of the entire sensor module All international warranty claims must include Sensor Module lot number for approval PROCEDURE E Lione eoo cb ON QUES 19 SES Perform a Purge Flowpath procedure on the maintenance menu Turn the analyzer off Remove the Sensor Module from the analyzer Then remove the SO sensor Remove the back plate and disconnect the cable from the SO Amp Board Remove the rubber spacer behind the SO Amp Board Remove the defective board and replace with a new one PN 38114 SO Amp Board Reinstall the rubber spacer Connect the cable and reinstall the SO sensor The sensor holds the board in place Reinstall the back plate Install the Sensor Module back onto the analyzer Then reboot the analyzer After calibrating the SO and Hb channel verify that the mv for LED 1 Light is greater than 10 mv only if replacing the SO board for an LEDI failure NOVA biomedical 3 27 Stat Profile Critical Care Xpress Service Manual 3 28 biomedical 4 1 4 Troubleshooting T
89. ify the result on an alternate reference method Catt Low Range During the last analysis the measured result exceeded the lower limit of the Ca sensor s measurement range Recommended solutions 1 Repeat the analysis 2 Verify the result on an alternate reference method Catt Overload During the last calibration or analysis sequence the Ca sensor reading was outside the software s limits Recommended solutions 1 Recalibrate the Ca sensor 2 Confirm the Ca sensor is correctly seated in the sensor module 3 Replace the Ca sensor 4 Contact Nova Biomedical Technical Support Ca ADC During the last analysis or calibration the CCX was unable to obtain a successful measurement reading from the Ca sensor Recommended solutions 1 No action required if the message occurs infrequently 2 Contact Nova Biomedical Technical Support NOVA biomedical A11 Stat Profile Critical Care Xpress Service Manual Cl Slope The measured difference between the Cl calibrators during the last 2 point calibration did not meet the minimum specifications for a properly performing sensor Recommended solutions 1 Recalibrate the Cl sensor Confirm the CT sensor is correctly seated in the sensor module Replace the Cl sensor Replace the ABG calibrator cartridge Replace the W R pump tubing Replace the Reference sensor Contact Nova Biomedical Technical Support pv Rot CT Instability During the last calibration or anal
90. ile CCX Analyzer is 2 instruments placed into one chassis The right side contains the sensors and assemblies used for the measurement of the Blood Gas pH PO PCO electrolyte Na K Cl iCa iMg and Metabolite Glucose Urea Lactate Creatinine analytes The left side of the instrument contains the assemblies needed to determine the CO Oximeter tHb O Hb COHb HHB Met HB SO measurements NOVA biomedical 2 Stat Profile Critical Care Xpress Service Manual 2 1 Mechanical Assemblies Cen em Figure 2 1 Analytical Compartment la Waste Line Blood Gas BG 6b 1b Waste Line CO Ox 6c 2 Reference Line 7 3 Pinch Valve Reference 8 4a Pump and Pump Tubing BG 9a 4b Pump and Pump Tubing CO Ox 5a Reagent Pack Opening BG 9b 5b Reagent Pack Opening CO Ox 6a Control Pack Opening BG 10 11 12 NOVA 2 2 biomedical Chem Control Opening BG Control Pack Opening CO Ox Sampler Printer Sensor Module Flow by Sensors BUN Lac PCO SO Glu Creat PO Sensor Module Flow thru Sensors Mg Kt Ca Nat pH Cl Reference Sensor Pinch Valve Waste CD ROM 2 Product Description There are 2 separate fluidic systems joined by one common valve splitter valve On units without the CO Oximeter option the splitter valve is not present In its place there is an S Line with 2 Air detectors pH pCO2 pO2 SO2 Hct Hb Nat K CL Catt Mgt Glu Lac BUN Creat TCO2 tHb O2Hb C
91. imeter pump is started to draw air up to the blood detector e The pump is slowed down when the sample reaches ADT 4 instead of ADT 3 and stopped at ADT 5 e When the sample reaches ADT 6 the splitter valve rotates to align the sample line with the CO Oximeter flowpath The ABG sample proceeds the same as shown above The CO Oximeter pump then draws the sample to the blood detector NOTE If this requires more than 8 seconds a no Sample error code is generated and the sample is terminated e The sample is then drawn through the hemolyzer to the cuvette The pump is stopped for 1 second to take the cuvette reading NOTE If the sample is not seen in the cuvette within 12 seconds a NO Sample error code is generated and the sample is terminated e The splitter valve returns to its home position splitting the 2 Flowpaths This allows Flush from the CO Oximeter fluid pack to be aspirated to wash out the old sample NOVA biomedical 4 19 Stat Profile Critical Care Xpress Service Manual 4 4 6 Micro Sample Cycle The Start of this cycle is the same as a normal ABG sample except the Pump starts to slow at ADT 4 instead of ADT3 and stops at ADT 5 e ADT 4 is rechecked to verify for Insufficient Sample e The PO and PCO readings are taken e The sample is aspirate to ADT 6 and the pH reading is taken e The sample is flushed out as normal 4 5 Error Codes Sensor Status Calibrated Sensor Uncalibrated Sensor Failed
92. irm the K sensor is correctly seated in the sensor module Reseat the R line in the R pinch valve Replace the K sensor Replace the W R pump tubing Replace the Reference sensor Contact Nova Biomedical Technical Support During the last analysis the measured result exceeded the upper limit of the K sensor s measurement range Recommended solutions 1 2 Repeat the analysis Verify the result on an alternate reference method NOVA biomedical A19 Stat Profile Critical Care Xpress Service Manual K Low Range During the last analysis the measured result exceeded the lower limit of the K sensor s measurement range Recommended solutions 1 Repeat the analysis 2 Verify the result on an alternate reference method K Overload During the last calibration or analysis sequence the K sensor reading was outside the software s limits Recommended solutions 1 Recalibrate the K sensor 2 Confirm the K sensor is correctly seated in the sensor module 3 Replace the K sensor 4 Contact Nova Biomedical Technical Support K ADC During the last analysis or calibration the CCX was unable to obtain a successful measurement reading from the K sensor Recommended solutions 1 No action required if the message occurs infrequently 2 Contact Nova Biomedical Technical Support Lac Slope The measured difference between the Lac calibrators during the last 2 point calibration did not meet the minimum specifications
93. is high check for proper R solution flow 4 Replace the Na sensor 5 Replace the ABG calibrator cartridge 6 Replace the W R pump tubing 7 Replace the Reference sensor 8 Contact Nova Biomedical Technical Support Na Instability During the last calibration or analysis sequence the Na sensor measurement did not reach a stable end point Recommended solutions 1 No action required if the message occurs infrequently Confirm the Na sensor is correctly seated in the sensor module Recalibrate the Na sensor Replace the Na sensor Replace the W R pump tubing Contact Nova Biomedical Technical Support SN ee NOVA A 24 biomedical Appendix Nat Drift During the last analysis sequence the performance of the Na sensor had changed significantly since the last successful 2 point calibration Recommended solutions 1 Recalibrate the Na sensor 2 Confirm the Na sensor is correctly seated in the sensor module 3 Replace the Na sensor 4 Replace the WIR pump tubing 5 Replace the Reference sensor 6 Contact Nova Biomedical Technical Support Na High Range During the last analysis the measured result exceeded the upper limit of the Na sensor s measurement range Recommended solutions 1 Repeat the analysis 2 Verify the result on an alternate reference method Na Low Range During the last analysis the measured result exceeded the lower limit of the Na sensor s measurement range Recommended solutio
94. istor RT1 8 12 VDC Resistor RT2 nova 2 14 biomedical 2 2 9 J16 Audio In Pin 1 Ground Pin 2 J17 Audio Out Pin 1 Ground Pin 2 Printer Status LED s D2 STI D4 ST2 D3 STO D5 ERR Power Supply Assembly Location Information Located at rear base of analyzer near power line input Main Function s 2 Product Description D6 PE The Universal Power Supply is 100 240 VAC 50 60 Hz and Medical grade The Universal Switching Power Supply accepts 92 232 VAC converts AC voltages to DC voltages and supplies secondary voltages to the Power Distribution Board Power Connections from Assembly to Power Distribution Board J1 Ground Neutral J2 to Power Distribution Board J2 On Distribution Bd J 1 On Distribution Bd PIN Voltage Test Points 1 Ground Power Fault Pins 1 2 12 VDC 2 3 12 VDC 3 4 9 Voltage return lines 4 9 10 13 24 VDC 10 13 14 17 5 VDC 14 17 LED s None 2 2 10 Power Entry Module Location Information The Power Entry Module is located at rear base wall of analyzer Main Function s It accepts wall AC power NOVA biomedical Stat Profile Critical Care Xpress Service Manual 2 2 11 Hard Disk Drive Location Information The Hard Disk Drive is located on the central left side from front of CCX chassis Main Function s It stores the analyzers program as well as analysis data and QC and can read write information from to the R W CD ROM drive
95. l sources of r4 NOTE This International Caution Label appears on the rear of the CCX Analyzer and means refer to the manual It is the responsibility of the service representative to decontaminate any assembly or analyzer being returned to Nova for repair or warranty claim Decontamination of external surface of the flow path may be accomplished by a wipe down with cleaning agent or 10 bleach solution The Internal surfaces of the flow path and tubing should always be considered contaminated Prior to removal from the analyzer ensure the flowpath and tubing are emptied WARNING Internal surfaces may have sharp edges Care should be EES taken to avoid cuts and scrapes when accessing internal assemblies Used tubing bio sensors electrodes reagents controls etc may be disposed by Ww normal laboratory waste procedures NOVA biomedical 128 Stat Profile Critical Care Xpress Service Manual 1 4 Required tools The analyzer is designed to require no unique or special tools Flow path cleaning wires kits are provided in the accessory kit Avoid metal wires or other material that may scratch the internal surfaces of the flow path Digital Volt Meter 2 decimal accuracy e Phillips screwdriver cross head preferably one with 15 cm 6 in shank Pliers Needle nose or small snub nose e CO Ox calibration tool Hex key set American sizing NOVA biomedical 2 Product Description Product Description The Stat Prof
96. last analysis the measured result exceeded the lower limit of the Hb sensor s measurement range Recommended solutions 1 Repeat the analysis 2 Verify the result on an alternate reference method NOVA A 18 biomedical K Slope Appendix The measured difference between the K calibrators during the last 2 point calibration did not meet the minimum specifications for a properly performing sensor Recommended solutions 1 Rel Qy en duo p K Instability Recalibrate the K sensor Confirm the K sensor is correctly seated in the sensor module Reseat the R line in the R pinch valve Replace the K sensor Replace the ABG calibrator cartridge Replace the W R pump tubing Replace the Reference sensor Contact Nova Biomedical Technical Support During the last calibration or analysis sequence the K sensor measurement did not reach a stable end point Recommended solutions 1 Oey eS K Drift No action required if the message occurs infrequently Confirm the K sensor is correctly seated in the sensor module Reseat the R line in the R pinch valve Recalibrate the K sensor Replace the K sensor Replace the W R pump tubing Contact Nova Biomedical Technical Support During the last analysis sequence the performance of the K sensor had changed significantly since the last successful 2 point calibration Recommended solutions 1 SO ee ek K High Range Recalibrate the K sensor Conf
97. mbly Removal Light Connector Light slides into mount Reference Detector Fiber Optic Cable Lamp Cover Figure 3 35 Lamp Assembly NOVA biomedical 3 21 Stat Profile Critical Care Xpress Service Manual 3 19 2 CO Ox Fluid Deck Removal CAUTION The Fiber optic cable connecting the cuvette to 3 22 10 the spectrophotometer is a single strand and easily damaged Open the front panel doors Removal of the Sensor Module is recommended be fore starting Remove the bottom door latch bracket This bracket is slotted thus only loosen the 2 screws Loosen the fluid deck lower mounting screws 2 Loosen the internal fluid deck internal mounting screw Be careful as this is a NOT captive nut Disconnect all motors and the hemolyzer etc CAUTION These cables route passed the Analog Boards They MUST Be routed along the same path when reinstalled to prevent electronic instabilities on the analog boards Remove the 4 cuvette mounting screws one in each corner Pull the cuvette forward enough to al low access to the optical light pipes Loosen the hex screws one on each light pipe Slide the light pipe out of the back of the assembly Remove the 2 fluid deck front panel screws and slide the fluid deck out the front of the analyzer NOVA biomedical Figure 3 36 Fluid Deck Removal 3 Replacement Procedures 3 19 3 Fluid Deck Mechanical Replacement Pump Assembly Splitter Rotary Valve He
98. module 3 Replace the CI sensor 4 Contact Nova Biomedical Technical Support Cl ADC During the last analysis or calibration the CCX was unable to obtain a successful measurement reading from the CI sensor Recommended solutions 1 No action required if the message occurs infrequently 2 Contact Nova Biomedical Technical Support Creat Slope The measured difference between the Creat calibrators during the last 2 point calibration did not meet the minimum specifications for a properly performing sensor Recommended solutions 1 Recalibrate the Creat sensor 2 Remove the sensor from the sensor module using a cotton swab verify that the sensor module does not have any old membrane material left behind in the sensor chamber 3 Replace the Creat membrane 4 Replace the Creat sensor 5 Replace the ABG calibrator cartridge 6 Contact Nova Biomedical Technical Support Creat Instability During the last calibration or analysis sequence the Creat sensor measurement did not reach a stable end point Recommended solutions 1 No action required if the message occurs infrequently 2 Replace the Creat membrane 3 Replace the Creat sensor 4 Contact Nova Biomedical Technical Support NOVA biomedical A13 Stat Profile Critical Care Xpress Service Manual Creat Background During the last 2 point calibration sequence the Creatinine sensor readings were out of the software specifications Recommended Solutions
99. molyzer CO Ox Fluid Rotary Valve 1 Remove the fluid deck and lie it face down on the work surface 2 Remove the 3 mounting screws to remove the valve bracket 3 The Blood splitter valve bracket is mounted to the CO Ox valve bracket by 3 screws 4 The Hemolyzer is held to fluid deck by 4 mounting screws NOTE Ensure the cables between these assemblies and the CO Ox control board retrace their original routing Figure 3 37 Mechanized Fluid Deck Replacements NOVA biomedical 3 23 Stat Profile Critical Care Xpress Service Manual 3 19 4 CO Ox Pump Assembly 1 The CO Ox pump optical detector must be removed prior to remov ing the pump The optical detector is mounted to analyzer chassis below the pump Remove the mounting screws at the bracket The pump assembly is mounted from the front panel Remove the corner hex key mounting screws Remove the pump out the rear of the unit 3 19 5 CO Oximeter Electronic Boards 3 24 Figure 3 38 CO Ox Pump Assembly There are 3 individual electronic boards the CPU and Analog Boards are socketed to the CO Ox Control Board The nested set of CO Oximeter boards is mounted over the ABG Control board These are located on the right side of the analyzer looking from the front Review the wiring routing prior to disconnecting them from each board NOVA biomedical 3 Replacement Procedures 3 20 Spectrophotometer Assembly 1 Thespectrophotometer is mo
100. move freely without crimping or rubbing then reinstall the instrument cover nova 3 14 biomedical 3 13 Sampler Assembly Motors 3 Replacement Procedures Remove the sampler assembly The probe motoris mounted to the top plate Remove the top plate mounting screws that are located on the side of the plate Lift the motor and lead screw from the assembly The motor is attached to the lead screw by set screws and to the top plate by 2 mounting screws at the top The tilt motor requires the mechanism to be tilted by hand to expose the 4 mounting screws The motor and worm gear are one assembly Reverse Steps 2 through 5 to install the new motors Figure 3 21 Sampler Assembly Motors 3 14 ABG Pump Assembly E E a 4 Mounting Screws to Remove Pump and Solenoid Remove all tubing from the pump assembly Remove the analyzer cover Remove the 4 mounting screws for the solenoid and pump assembly Detach the 3 electrical connectors The solenoid valve are snapped in place from the rear each with an electrical connector Unplug the valve from the ABG Control Board Move the clip toward the outside of the unit Push the valve from the front of the unit The pump assembly is held in by 3 mounting screws and the pivot point thumb screw of the tension arm Remove the tension arm and mount screws hold the motor from the rear Install the new pump assembly by reversing the above steps 4 Mounting Screws for Pump Motor
101. n it expected to detect fluid Recommended solutions 1 Ensure there is sufficient sample volume in the sample container repeat the analysis 2 Confirm the correct sample container is selected on the Panels Selection screen repeat the analysis 3 Recalibrate the analyzer Flush the flowpath with deionized water and recalibrate the analyzer 5 Contact Nova Biomedical Technical Support D AD4 Delta mV s The measured difference between the AD3 calibrators during the last 2 point calibration did not meet the minimum specifications for a properly performing air detector Recommended solutions 1 Recalibrate the analyzer 2 Flush the flowpath with deionized water and recalibrate the analyzer 3 Contact Nova Biomedical Technical Support NOVA A6 biomedical Appendix AD4 Overload During the last calibration or analysis sequence the AD4 reading was outside the software s limits Recommended solutions 1 Recalibrate the analyzer 2 Flush the flowpath with deionized water and recalibrate the analyzer 3 Contact Nova Biomedical Technical Support AD4 ADC During the last analysis or calibration the CCX was unable to obtain a successful measurement reading from the AD4 air detector Recommended solutions 1 No action required if the message occurs infrequently 2 Contact Nova Biomedical Technical Support AD4 Insufficient Sample During the last calibration or analysis AD4 detected air when it expected to detect fluid
102. n port COM 1 The CO Ox control board communicates with the HOST CPU via the communication port COM4 The touch screen communicates with the HOST CPU via the communication port COM2 Shows UNUSED in the Setup Menus There is one RS 232 connector COM3 utilizing ASTM protocol The display is a back lit liquid crystal LCD with type that is CCFT back lit with 320x480 pixel resolution The internal printer is a 40 column thermal international font xx dot graphics printer with 10 cm 4 in wide paper NOTE The circuit boards use fine pitch surface mount technology Field repair of these circuit boards is not possible DO NOT attempt to repair any components mounted on the board NOVA biomedical 1 3 Cautions and Hazards There are NO user serviceable assemblies inside the analyzer Only a trained authorized service representative should remove the cover of the CCX Analyzer WARNING Removal of the top cover allows access to power supply voltages Care should be taken to avoid electrical shock When possible remove the power cord prior to accessing any internal assemblies hepatitis and other infectious agents Handle all blood products and flow Na path components waste line capillary adapter probe sensor module etc X with care Gloves and protective clothing are recommended When perform ing maintenance and troubleshooting procedures also use protective eyewear WARNING Blood samples and blood products are potentia
103. n the bottom door and the 2 upper doors will be consistent at 1 2 mm 0 040 0 081 in b The space between the 2 upper doors will be consistent c The2 upper doors will close left side first with no obstructions p Wat A Left Side Right Hand Door Right Side Adjustment Lock Screw Figure 3 33 Door Alignment 3 19 CO Oximeter Assemblies The major assemblies for the CO Oximeter option are located in the middle of the analyzer The lamp assembly and spectrophotometer are mounted to the chassis The pump cuvette hemolyzer blood splitter valve CO Ox fluid valve and blood detector are mounted to the fluid deck 3 19 1 Lamp assembly 1 Remove the analyzer cover 2 The lamp assembly is located at the rear and to the right when looking at the back of the analyzer NOVA 3 20 biomedical 3 Replacement Procedures WARNING The Lamp may be hot Avoid contact with the bulb and its shield WARNING Avoid contact with the main chassis and CO Ox lamp fan blades CAUTION The Lamp optical cable connects to the Cuvette Ensure this cable does not become crimped or strained ia Disconnect the reference detector board from the front of the Lamp 4 The Lamp assembly is held to the chassis by 2 thumb screws These screw are held captive to the chassis Ensure that you support the Lamp assembly while removing the mounting screws 5 Remove the 3 Lamp cover mounting screws 6 Remove the cover Figure 3 34 Lamp Asse
104. nded solutions 1 Repeat the analysis 2 Verify the result on an alternate reference method Mg Overload During the last calibration or analysis sequence the Mg sensor reading was outside the software s limits Recommended solutions 1 Recalibrate the Mg sensor 2 Confirm the Mg sensor is correctly seated in the sensor module 3 Replace the Mg sensor 4 Contact Nova Biomedical Technical Support NOVA biomedical A23 Stat Profile Critical Care Xpress Service Manual Mg ADC During the last analysis or calibration the CCX was unable to obtain a successful measurement reading from the Mg sensor Recommended solutions 1 No action required if the message occurs infrequently 2 Contact Nova Biomedical Technical Support Mg Dependency During the analysis or calibration the CCX was unable to obtain a successful measurement reading from the Ca sensor Without a successful Ca measurement the Mg can not be calculated Recommended solutions 1 No action required if the message occurs infrequently 2 Resolve the associated Ca status message 3 Contact Nova Biomedical Technical Support Na Slope The measured difference between the Na calibrators during the last 2 point calibration did not meet the minimum specifications for a properly performing sensor Recommended solutions 1 Recalibrate the Na sensor 2 Confirm the Na sensor is correctly seated in the sensor module 3 Ifthe Na slope
105. ne is plugged backflush or replace For CCX Analyzers with a COOX option remove the Probe S line from the Blood Splitter Valve e Backflush the Probe S line with water f If water flows freely from the probe the problem is either a failed Blood Splitter Valve plugged Blood Splitter valve inlet outlet port or an air leak between the ceramic haves g Clean the appropriate component or replace the Blood Splitter Valve 3 Continued lack of flow through the flowcells a b Disconnect the tubing from the reference valve outlet port Place it into water A lack of flow indicates a failed pump tubing or a plug in the waste line Connect a syringe of water to the fluid deck waste line port Flush water through the port to the waste bottle If the line flushes easily replace the pump tubing set If placing the pump inlet tubing in water indicates good flow Replace the horizontal electrodes with the flushing tool and back flush the vertical flowcell If the flowcell flushes easily the problem is either a crack in a flow through sensor or a plug in one of the electrode s flowpath ports Flush each electrode starting with the reference as itis the most likely place a plug will form nova biomedical AZ Stat Profile Critical Care Xpress Service Manual 4 2 3 COOX Flow Obstructions in the Flowpath 1 Toaccess the CO Oximeter flowpath enter Maintenance and Flush COOX This will align the splitter valve and raise th
106. ng will generate a PO Delta MV error code requiring a pack change ABG Sample Cyde At the Start of the cycle the analyzer checks the following ADT 5 for a backflow Reads the barometric pressure Reads sensor module temperature When the probe lifts to the selected sample position air is aspirated until it is detected at ADT 1 Press ANALYZE to start the pump The air segment reaching ADT 3 causes the pump to slow down The leading edge of the sample detected at ADT 3 causes the probe to retract and ADT 1 checked If no fluid is detected a NO SAMPLE error code is generated The sample moves until the trailing edge is detected at ADT 2 stopping the pump NOVA biomedical 4 4 5 4 Troubleshooting ADT 3 is sampled for the Hematocrit reading The pump starts moving the leading edge of the sample to ADT 6 The pump is stopped ADT 4 is sampled for liquid If air is detected an Insufficient Sample error code is generated but the cycle continues with the flagged results If ADT 4 detects sample the readings for each channel are taken The sample is washed out with Flush solution During the flush cycle air is introduced to ADT 1 and the flow rate is established based on the time for the air to reach ADT 5 Combined or CO Oximeter Sampling Cycle The cycle is started the same as on the ABG sample cycle above with the following exceptions e Atthe same time the ABG sampler is introducing air up to ADT 1 the CO Ox
107. ns 1 Repeat the analysis 2 Verify the result on an alternate reference method Na Overload During the last calibration or analysis sequence the Na sensor reading was outside the software s limits Recommended solutions 1 Recalibrate the Na sensor 2 Confirm the Na sensor is correctly seated in the sensor module 3 Replace the Na sensor 4 Contact Nova Biomedical Technical Support Na ADC During the last analysis or calibration the CCX was unable to obtain a successful measurement reading from the Na sensor Recommended solutions 1 No action required if the message occurs infrequently 2 Contact Nova Biomedical Technical Support NOVA biomedical A25 Stat Profile Critical Care Xpress Service Manual Default Nat Value During the last analysis a measured Na value was not successfully reported As a result all parameters indicated by an asterisk were calculated using a default Na value of 140 mmol L in the measured result calculation Recommended solutions 1 No action required if the message occurs infrequently 2 Verify that the Na sensor is calibrated Does not have an X through it If it is uncalibrated recalibrate the Na sensor 3 Verify that the Na sensor is not locked out Does not have a line through it due to a QC range failure If it is locked out recalibrate the Na sensor and rerun the failed QC level 4 Replace the Na sensor 5 Contact Nova Biomedical Technic
108. nstalled correctly pushed in completely and that each sensor has a membrane installed onto it 5 Flush the flowpath with deionized water and recalibrate the system 6 Contact Nova Biomedical Technical Support No Sample During the last analysis sequence no sample was detected by the system Recommended solutions 1 If analyzing a whole blood sample verify that the sample is not clotted If the sample is clotted Nova Biomedical recommends that the sample be redrawn or that a clot catcher be utilized prior to repeating the analysis 2 If analyzing an external QC sample repeat the analysis If the problem reoccurs proceed to step 3 3 Aclot may have been aspirated in the flowpath flush the flowpath with deionized water and recalibrate the system 4 Contact Nova Biomedical Technical Support NOVA biomedical A35 Stat Profile Critical Care Xpress Service Manual ABG Flow During the last calibration the rate of internal calibrator flow on the ABG Module exceeded the acceptable software limits to ensure an accurate calibration Recommended solutions 1 No action required if the message occurs infrequently 2 Flush the flowpath with deionized water and recalibrate the system 3 Replace the pump tubing segments 4 Contact Nova Biomedical Technical Support ABG Reference Flow During the last calibration or analysis the flow of reference solution on the ABG Module was determined to be incorrect Recommended solutions 1 N
109. ntenance Procedures Het Hb Nat K CL Catt Mgt 202 tHb O2Hb COHb MetHb HHb COOX Optical Calibration Wait until system has finished purging the flowpath Detach the tubing from the cuvette Remove the cuvette from the housing Turn on the calibrationb lamp and Insert the adapter into the cuvette housing Press the Calibrate button 6 Wait for the system to finish calibrating Repeat as necessary from 5 7 Remove the calibration lamp from the cuvette housing Return the cuvette to the housing 9 Reattach the tubing to the cuvette 10 Press the Dong button Figure 5 4 COOX Optical Calibration Screen CO Oximeter Lamp Intensity This procedure may be required when the optical Calibration passes and the fluidic calibration continues to fail or the Lamp or Lamp assembly has been changed or the Spectrophotometer has been replaced Briefly the procedure works by forcing the servo set point to its maximum value Rotate the lamp bulb until the servo output lamp voltage is at its maximum point approximately 9 9 5 volts After the lamp has been positioned correctly a jumper is moved that turns servo control to the CO Ox software This procedure does not require any special tools WARNING Open lamp assembly presents 2 hazards the exposed fan and the exposed base and socket of the lamp Care should be taken to prevent burns from the hot lamp assembly and trauma by the fan blades 1 From the HOME screen touch SYSTEM MENU SER
110. nual No Blood Gas Control 1 During the last Blood Gas Control 1 analysis Control 1 was determined to be flowing incorrectly Recommended solutions 1 Repeat the Blood Gas Control 1 analysis 2 Verify that Blood Gas Controls 2 and 3 run properly If Blood Gas Controls 2 and 3 run properly replace the Blood Gas Auto Cartridge QC pack If Blood Gas Controls 2 and 3 also exhibit the same error condition proceed to step 3 3 Ifoneofthe upper block sensors was recently replaced verify that the sensors are aligned and installed correctly Also verify that the sensor module latch is locked pushed down 4 Ifoneofthelowerblock sensors was recently replaced verify that the sensor s are installed correctly pushed in completely and that each sensor has a membrane installed onto it 5 Flush the flowpath with deionized water and recalibrate the system 6 Contact Nova Biomedical Technical Support No Blood Gas Control 2 During the last Blood Gas Control 2 analysis Control 2 was determined to be flowing incorrectly Recommended solutions 1 Repeat the Blood Gas Control 2 analysis 2 Verify that Blood Gas Controls 1 and 3 run properly If Blood Gas Controls 1 and 3 run properly replace the Blood Gas Auto Cartridge QC pack If Blood Gas Controls 1 and 3 also exhibit the same error condition proceed to step 3 3 Ifoneofthe upper block sensors was recently replaced verify that the sensors are aligned and installed correctly Also
111. o Calibrator D During the last calibration or analysis Calibrator D in ABG Calibrator Pack 1 was determined to be flowing incorrectly Recommended solutions 1 Verify the of reagent remaining in Calibrator Pack 1 If the pack indicates less than 10 remaining replace Calibrator Pack 1 2 H Calibrator Pack 1 was recently replaced remove the calibrator pack from the analyzer verify that the calibrator pack fitments are correctly seated in their respective positions then reinstall the calibrator pack 3 The Calibrator D fitment on the pack may be defective replace Calibrator Pack 1 Flush the flowpath with deionized water and recalibrate the system 5 Contact Nova Biomedical Technical Support No Air During the last calibration or analysis sequence no air was detected by the system when air was expected Recommended solutions 1 If analyzing a whole blood sample verify that the sample is not clotted If the sample is clotted Nova Biomedical recommends that the sample be redrawn or that a clot catcher be utilized prior to repeating the analysis 2 If analyzing an external QC sample repeat the analysis If the problem reoccurs proceed to step 5 3 H one of the upper block sensors was recently replaced verify that the sensors are aligned and installed correctly Also verify that the sensor module latch is locked pushed down 4 Ifone of the lower block sensors was recently replaced verify that the sensor s are i
112. o action required if the message occurs infrequently 2 Replace the pump tubing segments 3 Contact Nova Biomedical Technical Support COOX No Solution F During the last calibration or analysis Solution F in the CO Oximeter Calibrator Pack 4 was determined to be flowing incorrectly Recommended solutions 1 Verify the of reagent remaining in Calibrator Pack 4 If the pack indicates less than 10 remaining replace Calibrator Pack 4 2 If Calibrator Pack 4 was recently replaced remove the calibrator pack from the analyzer verify that the calibrator pack fitments are correctly seated in their respective positions then reinstall the calibrator pack 3 Flush the CO Ox flowpath with deionized water 4 Clean the flowpath using the Deproteinize COOX Flowpath maintenance proce dure 5 Replace the CO Ox Pump Tubing 6 Contact Nova Biomedical Technical Support COOX No Calibrator During the last CO Oximeter Calibration the CO Oximeter calibrator solution was deter mined to be flowing incorrectly Recommended solutions 1 Repeat the CO Oximeter calibration 2 Replace the CO Oximeter calibrator pack 3 Flush the CO Ox flowpath with deionized water 4 Clean the flowpath using the Deproteinize COOX Flowpath maintenance proce dure Replace the CO Ox Pump Tubing 6 Contact Nova Biomedical Technical Support S NOVA A 36 biomedical Appendix COOX No Sample During the last sample analysis no sample was detected ei
113. oint calibration did not meet the minimum specifications for a properly performing sensor Recommended solutions 1 Recalibrate the Ca sensor 2 Confirm the Ca sensor is correctly seated in the sensor module 3 Replace the Ca sensor 4 Replace the ABG calibrator cartridge 5 Replace the W R pump tubing 6 Replace the Reference sensor 7 Contact Nova Biomedical Technical Support Ca Instability During the last calibration or analysis sequence the Ca sensor measurement did not reach a stable end point Recommended solutions 1 No action required if the message occurs infrequently 2 Confirm the Ca sensor is correctly seated in the sensor module NOVA A10 biomedical Appendix Recalibrate the Ca sensor Replace the Ca sensor Replace the W R pump tubing Contact Nova Biomedical Technical Support DUM Ca Drift During the last analysis sequence the performance of the Ca sensor had changed signifi cantly since the last successful 2 point calibration Recommended solutions 1 Recalibrate the Catt sensor 2 Confirm the Ca sensor is correctly seated in the sensor module 3 Replace the Ca sensor 4 Replace the WIR pump tubing 5 Replace the Reference sensor 6 Contact Nova Biomedical Technical Support Ca High Range During the last analysis the measured result exceeded the upper limit of the Ca sensor s measurement range Recommended solutions 1 Repeat the analysis 2 Ver
114. ows Controls ns Figure 4 6 System Test Screen NOVA 4 10 biomedical 4 Troubleshooting Manual control of all mechanical devices is applied thru the System Test screen There are two ways to take control of the mechanical devices 1 Use the icons on the mechanical schematic Pump speeds are selected by multiple pressing of the square beside icon ADTs must have the excitation turned ON to read their millivolts The millivolt displays must be turned ON to be displayed 2 Touse the text control of the mechanical devices press the MENU button then press the Device Control Button to display the Device Control screen From this screen there is control of the following devices Sampler ABG Rotary Valve ABG Pump Close Open ABG Waste Valve Open Close ABG Reference Valve COOX Rotary Valve COOX Splitter Valve COOX Pump COOX Hemolyzer ON OFF pH pCO2 pO2 SO2 Hct Hb Nat K CL Catt Mgt Glu Lac N Creat TCO2 tHb O2Hb COHb MetHb HHb MENU Button Figure 4 7 System Test Screen Menu Button NOVA biomedical 4 11 Stat Profile Critical Care Xpress Service Manual Press the Device Control Button Device Control Device Scan OFF 02 LEDs OFF GET ABG ERRORS GET COOX ERRORS EXIT 0 00 y 000 V 000 Y Figure 4 8 System Test Screen with Menu Displayed System Menu Glu Lac BUN Creat TCO2 tHb O2Hb COHb MetHb HHb Flow to ABG bo A Close ABG Was
115. p Sample Positioning Back flow error detector 6 Reference Sensor Leading edge of sample positioning end of horizontal section CO Ox Module Air Detector Air Detector 7 or CO Ox Air Detector 1 Air Det Location Detection Use 7 Precuvette Flowpath Sample amp Reagents CO Ox 50 55 uL Flow Information General Flow Limits All Standards amp QC internal Nominal 85 105 uL sec Sample blood Nominal 85 105 uL sec Flow Service Test Service Menu Nominal Value 85 105 uL sec Default Valves in Set Up OHb 14 5 g dL Range 10 0 to 20 0 g dL Temperature 37 C Range 10 0 to 40 0 C FIO 20 9 room air Range 20 to 100 0 96 NOVA biomedical 4 3 Stat Profile Critical Care Xpress Service Manual 4 4 One Point Cal Modes ABG Module Mode A One point fluid and gas cal First sample then with first sample after 30 or 45 min interval except when creatinine or iMg are selected as tests Mode B One point fluid amp gas cal done with EACH analysis Sample Type Selections Arterial Venous Capillary Serum Plasma Mixed Venous Quality Controls Proficiency Sample Volumes ABG Module Sample Volumes Only Regular Mode Full or Partial ABG Chemistry Panel 150 uL Micro Mode ABG Plus Panel 50uL pH PO PCO CO Ox Module Sample Volumes Only CO Ox Stand Alone Sample Volume 110 uL not run with ABG sample Combined ABG amp CO Ox Sampling CO Ox amp Full or Part
116. rectly seated in the sensor module Replace the Mg sensor Replace the ABG calibrator cartridge Replace the W R pump tubing Replace the Reference sensor Contact Nova Biomedical Technical Support NOVA A 22 biomedical A e E 0 P9 Appendix Mg Instability During the last calibration or analysis sequence the Mg sensor measurement did not reach a stable end point Recommended solutions 1 No action required if the message occurs infrequently Confirm the Mg sensor is correctly seated in the sensor module Recalibrate the Mg sensor Replace the Mg sensor Replace the W R pump tubing Contact Nova Biomedical Technical Support DEA AN Mg Drift During the last analysis sequence the performance of the Mg sensor had changed signifi cantly since the last successful 2 point calibration Recommended solutions 1 Recalibrate the Mg sensor 2 Confirm the Mg sensor is correctly seated in the sensor module 3 Replace the Mg sensor 4 Replace the WIR pump tubing 5 Replace the Reference sensor 6 Contact Nova Biomedical Technical Support Mg High Range During the last analysis the measured result exceeded the upper limit of the Mg sensor s measurement range Recommended solutions 1 Repeat the analysis 2 Verify the result on an alternate reference method Mg Low Range During the last analysis the measured result exceeded the lower limit of the Mg sensor s measurement range Recomme
117. rom the rear of the analyzer NOTE There are no guides Ensure all the pins of the Board Connector are inside the Cable Connector A XXI i i 3 a I Qi B amp OU Az 22 4 e The Red Wire Figure 3 14 The Red Wire is to the Left 11 Each drive has a power cable flat data cable and a jumper connector Ensure the Red Wire of the Data Cable is on the right side when connected as seen from the rear of the analyzer ABG CPU Board Red Wire on Left CD Drive E I Hard Drive Red Wire on Right Figure 3 15 The Drives 12 The CD Drive and Hard Drive have jumpers to direct their address signals from the CPU Ensure the replacement Drive Jumper is in the same place as the one being replaced 13 Reverse Steps 1 10 to reinstall the Disks Drives and ABG CPU 14 Restorethe analyzerto normal operation Figure 3 16 Jumper Middle Pins NOVA 3 10 biomedical 3 Replacement Procedures 3 8 Power Supply Assembly 1 Remove the analyzer cover The power supply is mounted to the chassis behind the CPU The mounting screws are located on the chassis above to the left and one behind the Power Distribution Board 3 Disconnect the connectors remove the mounting screws and lift the assembly out the top of the unit 4 Reverse the steps to install the Power Supply 3 9 Power Distribution Board 1 Remove the analyzer cover 2 Disconnect the cables Mounting 3 Remove the mounting Screws screws freeing th
118. ronic assemblies of the CO Ox module CO Ox Pump CO Ox Reagent Rotary Valve CO Ox ADET Sample Split Rotary Valve Hemolyzer CO Ox Cuvette Preheater Controls CO Ox RMS Reagent and CO Ox QC monitoring Control monitor and powers the Spectrophotometer Manipulates the digitized analog signal from the CO Ox Analog board Power Connections to Board Power is delivered to the CO Ox Digital control board via J29 Connector Cable Pin 2 24 VDC Pin5 45 VDC Pin 6 12 VDC Pin 8 12 VDC Connectors J19 CO Ox Pump 24 VDC power J25 Lamp Adjust Spectrophotometer J20 CO Ox Reagent Rotary Valve J26 RMS CMS CO Ox Reagent amp QC 24 VDC power J29 Power IN J21 Sample Split Rotary Valve 24 VDC power J22 Hemolyzer 24 VDC power J30 Lamp Voltage Feedback J23 Ambient thermistor Cuvette J33 Lamp Fan Power 6 25 VDC Lamp 12 VDC Fan power J24 Cuvette Housing Blood Detector J36 Reagent Preheater 24 VDC power NOVA biomedical 2 Product Description CO 0x Analog Board Location The CO Ox Analog Board is located along the right side of the chassis looking from the front Itis mounted to the CO Ox Digital Control Board that is directly below the CO Ox CPU Board Main Function s Transmitted Light from the Cuvette sample is measured at 7 wavelengths The 7 wavelength signals are digitized on the Analog Board and the result signal is processed on the CO Ox CPU Connectors NOTE Power to An
119. room use e Not intended for use on vibrating helicopter etc surface Placement on a cart is acceptable if the cart is stationary during operation NOVA biomedical t Stat Profile Critical Care Xpress Service Manual 1 2 Operational The analyzer is designed to be on at all times It may be turned off without special procedure or consideration for up to hour with no detrimental effect on the sensors or fluidics The tubing should be flushed and the pump tubing relaxed prior to extended shutdown periods Any shutdown period will require a 2 point calibration and verification by control material upon restarting operation The analyzer utilizes 3 control boards One for the Blood Gas Electrolyte Metabolite function ABG one for the CO Oximeter function and a central Host control processor The Host CPU is an Intel Pentium II processor The ABG and CO Ox control board utilize a 586 CPU chip The Blood Gas Electrolyte and Metabolite sensor circuitry consists of 2 identical analog circuit boards Jumper positions on each board select the channel to be processed All analog to digital conversions takes place on the analog boards The CO Oximeter is a PC2000 spectrophotometer which converts the absorbance readings to an analog signal The digital conversion and processing of the signals is done by an analog and CPU board mounted on the CO Ox control board The ABG control board communicates with the HOST CPU via the communicatio
120. roubleshooting This chapter assumes the reader is familiar with the operation of the CCX Analyzer and has read the user manuals Limitations and Dependencies Model Specific programming The Hard Drive ABG Digital Control Board and Host CPU are labeled by software to be model specific Tn the rare occasion that all three Host CPU ABG Digital Control Board and Hard Drive require replacement call NOVA Technical Service You may change only one of the above items at one time without restriction The newly installed assembly will assume the model specific labeling of the other 2 assemblies regardless of any previous programming Analyte Dependencies Analyte Requirement Default BUN Nat and K installed and calibrated Entered by user Hb ABG Hct requires Na amp SO reporting 14 5 g dL Hct Na installed and Calibrated iMg iCa installed and calibrated PCO pH calibrated SO2 Hct calibrated Nat Cl iCa Reference Electrode iMg BUN pH NOTE Suppression of a channel will suppress any dependent channel NOVA biomedical 4 1 Stat Profile Critical Care Xpress Service Manual 4 2 42 Operational Specifications Linear Measurement Ranges ABG pH 6 50 8 00 pH units H 316 23 PCO 3 0 200 mmHg SO 30 0 4 26 7 kPa Hb 4 PO O 800 mmHg 2 5 0 0 106 7 kPa Hct 12 Na 80 200 mmol L K 1 0 Car 0 1 5 0 mmol L Cl 50 0 4 10 8 mg dL Glu 5 Me 0 1 2 5 mmol L 0 83 BUN 3 0 100 0 mg dL La
121. s A 41 E Empty CO Ox Calibrator A 43 E DIETER A hp a eet Mee Empty CO Ox Controls A 42 qeu CMM O A 21 Expired Blood Gas Controls A 41 pu High Range e ass VOR e te t A 21 Expired Calibrators A 43 EE TPAD IIE acces crea tnter arca rtt A 20 Expired CO Ox Calibrator A 43 tac Li ear See EE Ree E A 22 Expired CO Ox Controls A 42 Lac Low Range A 21 G Lac Membrane Failure A 21 Lac Overload AAA A 22 Glu ADC coetus e e EU A 16 Lac EE cpi A 20 Gil KS A 15 Glu High Range ococonoccocononinincnninininno A36 M Glu Instability cm ce ror arae A 15 MetHb High Range A 47 Em SC E EE ne MetHb Interference A 47 u Overload E BEE A 47 CS e e a A 15 Mg ADC A 24 H Mg Dependency A 24 Mo Dritt eos ca ce aa Re A 23 Hb Dependency sete aie Ee teehee A 18 Mg High Range cccccocconccciinncnocnncnanons A 23 Hb High Range A 18 Mg Instability A 23 Hb Low Range eie ees A 18 Mg Low Range ococccoconicciioncnoconcnnnoos A 23 FICE ADC os iius a A 18 Mo Overload cccccciccionicncnncnnonconcnioiinns A 23 Het Dependency en A 17 E vonaaaasaonioninosorseoreernrrererenen A 22 PICU DM S Scio Dt ens A 17 Het High Range cccoconoccccocononcncnnnnoninonos A 37 N Hcet Instability it d
122. s 3 Contact Nova Biomedical Technical Support Empty Chemistry Controls The system detected that the Chemistry Auto Cartridge QC pack was empty when it attempted to analyze Chemistry Control levels 4 5 or 6 Recommended solutions 1 Reinstall a new Chemistry Auto Cartridge QC Pack by pressing System Menu Maintenance Replace Install Cartridge Cartridge 3 Chemistry Controls 2 Contact Nova Biomedical Technical Support Expired Blood Gas Controls The system detected that the Blood Gas Auto Cartridge QC pack was expired when it attempted to analyze Blood Gas Control levels 1 2 or 3 Recommended solutions 1 Reinstall a new Blood Gas Auto Cartridge QC Pack by pressing System Menu Maintenance Replace Install Cartridge Cartridge 2 Blood Gas Controls 2 Contact Nova Biomedical Technical Support NOVA biomedical A 4 Stat Profile Critical Care Xpress Service Manual Not Present Invalid COOX Controls No COOX Control cartridge or an invalid COOX Control cartridge was detected by the analyzer when a COOX Internal QC sequence was initiated Recommended solutions 1 Remove and reseat the COOX control cartridge Reinstall the cartridge from the CCX Maintenance Menu by pressing System Menu Maintenance Replace Install Cartridge Cartridge 5 COOX Control 2 Install a new COOX Control cartridge 3 Contact Nova Biomedical Technical Support Empty CO Ox Controls The system detected that the CO Oximeter Control pack was empt
123. s a NOT USED LAMP aa PASS z 2 ASSY TRANSISTOR ES og 37424 S gt UNLESS OTHERWISE SPECIFIED DIMENSIONS ARE IN INCHES THE BELOW LISTED TOLERANCES APPLY INCLUDING PLATING THICKNESS EPL 10 22 02 OUd 200 Prospect Street A TOLERANCES CHECKED DATE iCal Waltham MA 02454 9141 A poU A X ETE XX ee XXX ANGLES o TER Wd WIRING DIAGRAM BREAK ALL SHARP EDGES 015 MAX CCX COOX INFORMATION CONTAINED DESEN a HEEN ERUN BEA SERVICING AND MAINTENANCE MACH EET RADIUS ae nca ute OF NOVA BIOMEDICAL CORPORATION EQUIPMENT ONLY j NEEN El DNS NO 135 382 UNDER NO CIRCUMSTANCES SHALL THIS INFORMATION BE TRANSMITTED REPRODUCED Mie en MN MACH DIAMETERS CONCENTRIC WITHIN 9 003 EIN at C KE eA IRTTTEN CONSENT OF NOVA BIOMEDICAL CORPORATION TT MACH SURF 3 CE 2 THO NONE DO NOT SCALE DRAWING SHEET ior 1 2 APPROVED UPDATED REV DESCRIPTION OF CHANGE DRP SIGN DATE A PROD REL ECO 16816 W i E 19 17 97 B JECO 23799 CM 04 17 02 4 25 02 ECO 25901 CM 06 20 03 Ac 1620 EPOXY ALL AROUND PERIMETER MIRRORED gt SURFACE MATT SIDE 125658 01 C Q Z Lu d pud te r LO E D a o O P N 20951 NOVA 200 Prospect Street biomedical Weitham MA 02454 9141 FOR DOC CONTROL USE ONLY DISK NO On UNLESS OTHERWISE SPECIFIED DIMENSIONS ARE IN OR DATE TOLERANCES XXX CHECKED A 8 TS DME ASSY CALIBRATOR SPECTROMETER COOX REPL T
124. s the sample cycle NOVA biomedical 4 17 Stat Profile Critical Care Xpress Service Manual 4 4 3 ABG Calibration Cycle 4 4 4 The standards are pumped in this order C D Air A and B Each time a Standard is aspirated the rotary valve will shift between the standard and the closest air position several times This washes the flowpath to ensure a clean sample of the standard is in front of the sensors If the system has been idle an additional wash cycle is added to the start of the calibration cycles Standard C is pumped similar to the cycle mentioned above During the Standard C cycle of the calibration the sodium signal is read twice A change in the signal greater than 2 mV generates a reference flow error and ends the calibration Each standard is aspirated the same way separated by aspirations of the flush solution The reference valve opens and the pump starts The valve movement is Standard Air Standard Air Standard Air ADT 6 is turned ON and if liquid is detected at ADT 6 the pump stops ADT 4 is sampled for Liquid If no liquid is detected at ADT 4 a NO Standard error code is generated Standard C is used for pH PCO Na K Ca Mg Glu BUN Crea Hct Standard D is used for pH PCO Glu Lac BUN Creat Air Position 3 is used for PO Standard A is used for pH Lac Standard B is used for Na K Ca Mg pH Hct AII Standards read the PO channel as a check for contamination A low readi
125. solutions 1 No action required if the message occurs infrequently 2 Replace the SO2 sensor 3 Contact Nova Biomedical Technical Support SO2 High Range During the last analysis the measured result exceeded the upper limit of the SO sensor s measurement range Recommended solutions 1 Repeat the analysis 2 Verify the result on an alternate reference method SO2 Low Range During the last analysis the measured result exceeded the lower limit of the SO sensor s measurement range Recommended solutions 1 Repeat the analysis 2 Verify the result on an alternate reference method SO2 LED s The SO LED signal was outside the software s limits Recommended solutions 1 Repeat the analysis 2 Contact Nova Biomedical Technical Support SO2 LED Overload The SO LED signal was outside the software s limits Recommended solutions 1 Repeat the analysis 2 Contact Nova Biomedical Technical Support SO2 LED ADC During the last analysis or calibration the CCX was unable to obtain a successful measurement reading from the SO sensor Recommended solutions 1 No action required if the message occurs infrequently 2 Contact Nova Biomedical Technical Support NOVA A 32 biomedical No Solution F Appendix During the last calibration or analysis Solution F in ABG Calibrator Pack 1 was determined to be flowing incorrectly Recommended solutions 1 2 ABG Back Flow Verify the of reagent rem
126. spring is compressed against the ceramics by a plastic nut This nut does not require any tools to be removed or tightened CAUTION ONLY LINT FREE MATERIAL is to be used to clean the mating surfaces of the ceramic pieces Any material trapped between the 2 ceramic pieces will cause an air leak into the flowpath CAUTION Excessive lubricant may enter the flowpath and can cause the Air detectors Hct detector and or the CO Ox cuvette to lose sensitivity NOVA biomedical 5 11 Stat Profile Critical Care Xpress Service Manual CO Ox Fluid Valve Blood Splitter Valve Anti Rotation Pin Drive Motor Shaft ieee Anti Rotation Slot Rotor Manifold Spring Figure 5 12 CO Ox Blood Splitter and Fluid Valve Apart 4 Washing the ceramic pieces remove of the lubricant from the mating surfaces The surfaces that touch each other The analyzer accessory kit and replacement ceramic kits contain a Ceramic Lubricant Kit The kit contains an applicator with a sponge end that is saturated with the correct lubricant Before rebuilding the valve wipe the touching faces with this applicator NOTE The lubricant may not be visible to the naked eye Avoid over lubricating the surfaces pooling of the lubricant 5 Rebuild the valves as follows CAUTION Ensure the touching ceramic surfaces remain free of lint or other foreign material a Insert the Rotor aligning the 2 detents with the matching pins on the motor drive shaft b Align th
127. sured result exceeded the upper limit of the Lac sensor s measurement range Recommended solutions 1 Repeat the analysis 2 Verify the result on an alternate reference method Lac Low Range During the last analysis the measured result exceeded the lower limit of the Lac sensor s measurement range Recommended solutions 1 Repeat the analysis 2 Verify the result on an alternate reference method Lac Background During the last 2 point calibration the sensor readings were outside the software s limits Recommended Solutions 1 Recalibrate the Lac sensor 2 Remove the sensor from the sensor module using a cotton swab verify that the sensor module does not have any old membrane material left behind in the sensor chamber 3 Ifthe Lac sensor has not been polished recently polish the sensor and replace the Lac membrane otherwise just replace the Lac membrane 4 Replace the Lac sensor 5 Contact Nova Biomedical Technical Support Lac Membrane Failure During the last 2 point calibration the sensor readings were outside the software s limits Recommended Solutions 1 Recalibrate the Lac sensor 2 Remove the sensor from the sensor module using a cotton swab verify that the NOVA biomedical A21 Stat Profile Critical Care Xpress Service Manual sensor module does not have any old membrane material left behind in the sensor chamber 3 Ifthe Lac sensor has not been polished recently polish the sensor and replac
128. t analysis the measured result exceeded the upper limit of the PCO sensor s measurement range Recommended solutions 1 Repeat the analysis 2 Verify the result on an alternate reference method PCO Low Range During the last analysis the measured result exceeded the lower limit of the PCO sensor s measurement range Recommended solutions 1 Repeat the analysis 2 Verify the result on an alternate reference method PCO Overload During the last calibration or analysis sequence the PCO sensor reading was outside the software s limits Recommended solutions 1 Recalibrate the PCO sensor 2 Replace the PCO2 membrane 3 Replace the PCO sensor 4 Contact Nova Biomedical Technical Support PCO ADC During the last analysis or calibration the CCX was unable to obtain a successful measurement reading from the PCO sensor Recommended solutions 1 No action required if the message occurs infrequently 2 Contact Nova Biomedical Technical Support PCO Dependency During the analysis or calibration the CCX was unable to obtain a successful measurement reading from the pH sensor Without a successful pH measurement the PCO can not be calculated Recommended solutions 1 No action required if the message occurs infrequently 2 Resolve the associated pH status message 3 Contact Nova Biomedical Technical Support NOVA biomedical A27 Stat Profile Critical Care Xpress Service Manual pH H Slope The measured
129. t fluid Recommended solutions 1 Ensure there is sufficient sample volume in the sample container repeat the analysis 2 Confirm the correct sample container is selected on the Panel Selection screen repeat the analysis 3 Recalibrate the analyzer Flush the flowpath with deionized water and recalibrate the analyzer 5 Contact Nova Biomedical Technical Support D AD6 Delta mV s The measured difference between the AD6 calibrators during the last 2 point calibration did not meet the minimum specifications for a properly performing air detector Recommended solutions 1 Recalibrate the analyzer 2 Remove the Reference Sensor from the sensor module remove any moisture with a clean dry lintless tissue and recalibrate 3 Replace the Reference Sensor 4 Contact Nova Biomedical Technical Support AD6 Overload During the last calibration or analysis sequence the AD6 reading was outside the software s limits Recommended solutions 1 Recalibrate the analyzer 2 Remove the Reference Sensor from the sensor module remove any moisture with a clean dry lintless tissue and recalibrate 3 Replace the Reference Sensor 4 Contact Nova Biomedical Technical Support AD6 ADC During the last analysis or calibration the CCX was unable to obtain a successful measurement reading from the AD6 air detector Recommended solutions 1 No action required if the message occurs infrequently 2 Contact Nova Biomedical Technical Support
130. t on an alternate reference method NOVA biomedical A47 Stat Profile Critical Care Xpress Service Manual A48 biomedical 24V Fan 20747 Power Suppl Power Enty 2480 34818 PWR OUT 33852 PFD 33983 A132 818 Rear Panel AUDIO RS 232 USB1 Printer USB2 ETHERNET 100BaseT VGA KEYBOARD ASSY Front KBDATA 1 36745 36120 S 37425 J1 P1 KBD 36122 J1 36761 D134 714 37478 INFORMATION CONTAINED HEREIN IS CONSIDERED PROPRIETARY TO NOVA BIOMEDICAL CORPORATION RELEASE OF THIS INFORMATION IS TO FACILITATE THE MANUFACTURING SERVICING AND MAINTENANCE OF NOVA BIOMEDICAL CORPORATION EQUIPMENT ONLY GE NO CIRCUMSTANCES SHALL THIS INFORMATION BE TRANSMITTED REPRODUCED DISCLOSED TO OR SED BY ANY PERSON OR ORGANIZATION OTHER THAN THOSE ENGAGED IN SUCH ACTIVITIES WITHOUT THE EXPRESS WRITTEN CONSENT OF NOVA BIOMEDICAL CORPORATION Power Distribution Board OOX Control Bd J14 J1 Pap lo P S J2 Pro ABG DigitalBd J3 34811 J PRN DATA J5 Computer Bd Printer Bd J7 pwr pwr J4 J10 Ts 84 JQ LCD Backlight Drives J8 316 Audio In AMP Audio Out J17 Audio Out J18 D132 426 3 4799 OUCh Screen Controller LCD and Touchscreen BACKLIGHT 35620 38019 CN10 CN17 LCD Floppy Disk CN4 CN9 ATX PWR CDROM CN6 CN12 BE id CN16 CN15 Ser al 100BaseT CN14 CN3 Printer E CN13 CN11 Audio Kbd PS 2Mouse 33206 34811 A132 205 NC 3 2 REV DESCRIPTIO
131. te Valve COOX Hemolyzer ON Open ABG Reference Valve Figure 4 9 Device Control Screen NOVA 4 12 biomedical Stat Profile Critical Care Xpress Service Manual 4 3 3 Service Flow Test From the Menu press SERVICE FLOW TEST then RUN ABG FLOW TEST or RUN COOX FLOW TEST At the end of the test the Results screen appears If the last flow test results are needed press DISPLAY FLOW TEST DATA Het Hb Nat K CL Cat reat TCO2 thb O2Hb COHb MetHb HHb K CL Catt Mgt O2Hb COHb MetHb HHb COOX Flow Tests Calbrator A Calbeator B Calbeator C Calbralor D Figure 4 11 ABG and COOX Flow Tests Data Screen NOVA 4 14 biomedical Stat Profile Critical Care Xpress Service Manual 4 3 3 Service Flow Test From the Menu press SERVICE FLOW TEST then RUN ABG FLOW TEST or RUN COOX FLOW TEST At the end of the test the Results screen appears If the last flow test results are needed press DISPLAY FLOW TEST DATA Catt Matt tHb O2Hb COHb MetHb HHb FLOW TEST RUN ABG FLOW TEST RUN COOX FLOW TEST Calbeator A Calbralor B 1765 Calbeator C 628 Calbralor D Figure 4 11 ABG and COOX Flow Tests Data Screen NOVA 4 14 biomedical 4 Troubleshooting Here is the interpretation of the results e Typical performance will yield a Calibration Analysis ABG Flow Rate between 85 100 mL sec COOX Flow Rate Flush 50 65 mL sec External calibrator 45 60 mL sec Internal Cal
132. ther at air detector 1 Sample Probe S Line or the COOX fluid detector Recommended solutions 1 If analyzing a whole blood sample verify the sample is not clotted If the sample is clotted Nova Biomedical recommends that the sample be redrawn or that a clot catched be utilized prior to repeating the analysis 2 If analyzing an external QC sample repeat the analysis If the problem reoccurs proceed to step 3 3 Aclot may have been aspirated in the flowpath flush the flowpath with deionized water and recalibrate 4 Contact Nova Biomedical Technical Support COOX Flow Fast During the last calibration or analysis the COOX flow time exceeded the software s acceptable limits Recommended solutions 1 No action required if message occurs infrequently 2 Flush the COOX flowpath with deionized water 3 Clean the flowpath using the Deproteinize COOX Flowpath maintenance proce dure 4 Replace the COOX Pump tubing 5 Contact Nova Biomedical Technical Support COOX Flow Slow During the last calibration or analysis the COOX flow time exceeded the software acceptable limits Recommended solutions 1 No action required if message occurs infrequently 2 Hlush the COOX flowpath with deionized water 3 Clean the flowpath using the Deproteinize COOX Flowpath maintenance proce dure 4 Replace the COOX Pump tubing 5 Contact Nova Biomedical Technical Support NOVA biomedical A37 Stat Profile Critical Care Xpress Service Ma
133. trols A 42 S O SOY Dependency A 31 O Hb High Hanger eese A 46 S0 So Hemolysis cortinas dices A 31 O Hb Low Range aedes A 46 SO High Range uiis A 32 P SO LED ADE i iet A 32 SO LED Dios i teeth tees A 31 PCO ADO unica iibi dad A 27 SO LED Instability A 32 PCO Dependency dese ee et tes D A 27 SO 6 LED Overload A 32 PCO Drifter dct those Padi A 26 SO LED Slope EE A 31 PCO High Range E te Sate UY A 27 SO 6 EE DEE A 32 ER A 26 SO Low Range E A 32 PCO Low Range A 27 T PCO Oval A 27 O E A 26 tHb High Range ect one A 46 tHb Low Range A 46 NOVA biomedical A3 Stat Profile Critical Care Xpress Service Manual ADI Delta mV s The measured difference between the AD1 calibrators during the last 2 point calibration did not meet the minimum specifications for a properly performing air detector ADI is located in the Sample Probe S line Recommended solutions 1 Verify that the ADI cable is plugged in correctly recalibrate the analyzer Run the ABG Flow Test and verify that Calibrator Std s B amp C are flowing properly Flush the flowpath with deionized water and recalibrate the analyzer Replace the Sample Probe S line and recalibrate Contact Nova Biomedical Technical Support ABRAS ADI Overload During the last calibration or analysis sequence the AD1 reading was outside the software s
134. ts A 17 x Hcet Low Range ssepe es coe eg A 17 dl e Ce EE E lege le A 18 wa High Range VES ANO RH I QUE A 25 Het SOD ea a ee ire A 16 Nat Instability e A 24 EE A 47 Mer Low Hago ceste ES A 25 EE AAT Nat Overload sisissieisiieinn A 25 Nat SIODG sira theists ha eer A 24 E A 35 No Blood Gas Control 1 A 38 nova A2 biomedical Status Code Page Status Code Page No Blood Gas Control 2 A 38 pH H ADO suas A 29 No Blood Gas Control 3 A 39 DEU EISIPIUS ecd tec ee tants tented A 28 No Calibrator EE A 34 pH H High Range A 28 No Calibrator B A A 34 pH H Instability coso da A 28 No Calibrator C e dete A 34 pH H Low Range occcooocccccnoccccccnnnnccnno A 28 No Calibrator D iicet tears A 35 pH H Overload ctetuer A 29 No Chemistry Control A 39 Ao A 28 No Chemistry Control 5 A 40 PO ADO nct ipe ett A 31 No Performance Check Solution A 40 PO Cal Delta Millivolts A 30 ll A 35 POD ira A 30 No Solution F asis A 33 PO High ange ee citet pesas A 30 Not Present Invalid Blood Gas Controls A 40 FO Eet eeg A 29 Not Present Invalid Calibrators A 42 PO Low Range eroe A 30 Not Present Invalid Chemistry Controls A 41 PQ Overload renei tiet e A 30 Not Present Invalid COOX Calibrator A 43 FO SIODG sriain A 29 Not Present Invalid COOX Con
135. ty Access to the ABG Rotary Valve requires the removal of the analyzer cover Refer to Chapter 3 of this manual Access to the CO Ox Rotary Valve requires the removal of the bottom door chassis latch Open the lower door and loosen the 2 mounting screws coming up from the bottom of the chassis door latch Figure 5 10 Removing the 2 Mounting Screws NOVA 5 10 biomedical 5 Adjustments and Maintenance Procedures Access to the Blood splitter Valve is available from the front panel Blood Splitter Hemolyzer CO Ox Fluid Valve Figure 5 11 CO Ox Blood Splitter and Fluid Valve Valve Construction 1 All3 valves are of similar construction One ceramic piece accepts the tubing from the fluid pack or connects to the sample path This piece is prevented from rotating by a slot and housing pin or by the sample path tubing This is referred to as the manifold The other ceramic piece has grooves cut into the surface that faces the manifold This is called the rotor 2 The rotor surface that does not face the manifold has 2 detents One in the middle of the surface and the other an elongated detent between the middle and the edge These align with 2 pins on the motor drive shaft The Blood Splitter Valve has a shaft that passes through the manifold to help make this alignment during reassembly 3 The 2 ceramic pieces must have an air tight seal between the surfaces that come together This is accomplished by spring pressure The
136. ug and play similar to most computers Adding printers Bar Code readers etc that do not automatically install at boot up may require access to the Control Panel Log off as the CCX User and log in as ADMINISTRATOR no password This will allow access to the base program menus 5 4 Spectrophotometer Optical Calibration Use the Optical Calibration Tool PN20591 t 1 From the Home screen select System Menu Service ON OFF COOX Optical Calibration WARNING DO NOT look directly at the light source of the calibration tool Extended exposure to this light can cause damage to the eye To check that the light source is lit point it towards a white surface NOTE The calibration tool should have a fresh 9 Volt battery or line power to assure proper operation Figure 5 1 Optical Calibration Tool NOVA biomedical 5 3 Stat Profile Critical Care Xpress Service Manual 2 Remove the COOX cuvette slide Insert the calibration tool The open port on the brass adapter faces right 4 Perform the calibration S CAUTION Do not move the calibration tool during the calibration cycle 5 Remove the tool from the cuvette slide housing Turn the light source OFF 6 Reinsert the COOX Cuvette slide and restore the analyzer to operation 2 Het Hb Nat K CL Catt Mgt t TCO2 tHb O2Hb COHb MetHb HHb Glu Lac BUN Creat TCO2 tHb Figure 5 3 Main Menu Screen to Service Menu Screen NOVA 5 4 biomedical 5 Adjustments and Mai
137. unted to the chassis by 3 screws that are accessed on the rear of the analyzer 2 The optical cable coming from the cuvette is held by a hex screw Care should be taken when removing the single strand cable Any crimping or breakage will cause a failure to calibrate Mounting Screws Figure 3 40 Spectrophotometer Assembly NOVA biomedical 3 25 Stat Profile Critical Care Xpress Service Manual 3 21 CO Oximeter Cuvette 1 The Cuvette may be accessed from the front panel 2 Oncethecapis unscrewed the individual parts easily separated Shown below going clockwise from bottom to top Assembly hints The D washer has a flat side which goes against the outer glass The silicone washer has 2 cones that seal the inlet and outlet ports facing into the cuvette Over tightening of the cap will cause the cuvette to crack NOTE Cones point Cuvette Slide Complete Assy PN38042 toward window 3 r Cuvette Gasket PN37909 o O E Cuvette Bottom Window PN37897 Preheater PN38178 Q Spacer PN37416 not part of PN38042 E f Bottom Ring 0 3 Anti torque PN38058 l Washer PN37157 Compliant Washer D shaped A Wi PN37475 Pi Cuvette Window PN37635 NOT SUPPLIED NOTE Round side of washer fits into the Compression Cap PN37633 channel on the NOT SUPPLIED bottom window NOTE Tabs ears on the anti torque washer align with the slots in the cuvette slide Figure 3 41 CO Oximeter Cuvette NOVA 3 26 biomed
138. y During the last calibration or analysis sequence the PO sensor measurement did not reach a stable end point Recommended solutions 1 No action required if the message occurs infrequently 2 H he PO membrane was recently replaced remove the sensor shake down the sensor to remove bubbles from behind the membrane Replace the PO membrane Replace the PO sensor Replace the W R pump tubing Contact Nova Biomedical Technical Support Que e NOVA biomedical A29 Stat Profile Critical Care Xpress Service Manual PO Drift During the last analysis sequence the performance of the PO sensor had changed significantly since the last successful 2 point calibration Recommended solutions 1 Recalibrate the PO sensor 2 H the PO membrane was recently replaced remove the sensor shake down the sensor to remove bubbles from behind the membrane 3 Replace the PO membrane Replace the PO sensor 5 Contact Nova Biomedical Technical Support m PO High Range During the last analysis the measured result exceeded the upper limit of the PO sensor s measurement range Recommended solutions 1 Repeat the analysis 2 Verify the result on an alternate reference method PO Low Range During the last analysis the measured result exceeded the lower limit of the PO sensor s measurement range Recommended solutions 1 Repeat the analysis 2 Verify the result on an alternate reference method PO Overload During the
139. y check The calibration points are at 2 and 6 mg dL e The Std A millivolts displayed will be 2 75 to 3 75 times the change between that of Std D Std C e The last 3 columns deal with sample information Sample displays the sample millivolts This is only used check for an over range condition NOVA biomedical 4 15 Stat Profile Critical Care Xpress Service Manual e CAL Cis displayed in 2 columns The left column is the result of a 2 point calibration The right column is the post sample 1 point calibration valve The difference between the two is the loss of the ability of the sensor to recover sample to sample e Concentration shows the actual results and is used to determine if a dilution is needed Het Hb Nat CALA K CI ERROR LOG VERSION LIST COOX OPTICAL CAL Het Hb Nat ABG Calibration Data CALB CALC CALD FLOW TEST DATA ANALOG INPUT REAL TIME mV d K CL Cat Mg 2Hb COHb MetHb HHb Sample Data Ai Slope Sample 4 05 166 72 34 48 167 02 840 82 21 97 436 93 50 13 71 14 51 4 28 12341 161 86 1 456 54 39 46 18 77 70 46 25 20 2 07 36 64 34 07 26 31 9 17 2 66 137 48 159 34 9 68 9 90 8 51 18 66 9 85 10 20 10 18 11 22 11 70 38 23 86 18 11 21 11 45 14522 Next Page P SSES o Figure 4 12 ABG Calibration Data and Sample Data Screen NOVA biomedical 4 4 4 4 1 4 4 2
140. y when it attempted to analyze CO Oximeter Control levels 7 8 or 9 Recommended solutions 1 Reinstall anew CO Oximeter Auto Cartridge QC Pack by pressing System Menu Maintenance Replace Install Cartridge Cartridge 5 CO Ox Controls 2 Contact Nova Biomedical Technical Support Expired CO Ox Controls The system detected that the CO Oximeter Control pack was expired when it attempted to analyze CO Oximeter Control levels 7 8 or 9 Recommended solutions 1 Reinstall anew CO Oximeter Auto Cartridge QC Pack by pressing System Menu Maintenance Replace Install Cartridge Cartridge 5 CO Ox Controls 2 Contact Nova Biomedical Technical Support Not Present Invalid Calibrators The system detected that the ABG Calibrator pack was not present or was invalid when it attempted to perform a calibration or analysis Recommended solutions 1 Verify that the ABG Calibrator Pack is correctly inserted into its slot 2 Reinstall the ABG Calibrator Pack by pressing System Menu Maintenance Replace Install Cartridge Cartridge 1 ABG Calibrator 3 Install anew ABG Calibrator Pack and then press Menu Maintenance Replace Install Cartridge Cartridge 1 ABG Calibrator 4 Contact Nova Biomedical Technical Support Empty Calibrators The system detected that the ABG Calibrator pack was empty when it attempted to perform a calibration or analysis Recommended solutions 1 Install a new ABG Calibrator Pack by pressing System Menu Maintenance
141. ysis sequence the CI sensor measurement did not reach a stable end point Recommended solutions 1 No action required if the message occurs infrequently Confirm the CT sensor is correctly seated in the sensor module Replace the CT sensor Replace the W R pump tubing Contact Nova Biomedical Technical Support re as CT Drift During the last analysis sequence the performance of the Cl sensor had changed significantly since the last successful 2 point calibration Recommended solutions 1 Recalibrate the Cl sensor Confirm the CT sensor is correctly seated in the sensor module Replace the CT sensor Replace the W R pump tubing Replace the Reference sensor Contact Nova Biomedical Technical Support E eor Cl High Range During the last analysis the measured result exceeded the upper limit of the CI sensor s measurement range Recommended solutions 1 Repeat the analysis 2 Verify the result on an alternate reference method NOVA A12 biomedical Appendix CT Low Range During the last analysis the measured result exceeded the lower limit of the Cl sensor s measurement range Recommended solutions 1 Repeat the analysis 2 Verify the result on an alternate reference method CT Overload During the last calibration or analysis sequence the Cl sensor reading was outside the software s limits Recommended solutions 1 Recalibrate the CT sensor 2 Confirm the CI sensor is correctly seated in the sensor

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