Bard CritiCore 000002 User Manual Download

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Summary of Contents for CritiCore 000002

Page 1: ...Bard CritiCore Monitor Service Manual Model Number 000002 Issued June 1 1997 Pl 3336 BANA C R Bard Inc Covington GA 30014...

Page 2: ...nction with the Bard CritiCore Monitor Operators Manual Be sure to read these Manuais and become familiar with their contents before attempting to disassemble or repair the Bard CritiCore Monitor Plea...

Page 3: ...een Details of Electrical Operation Fluid Output Electronics Temperature Measurement Electronics Microcontroller Details Display Electronics Keyboard Electronics Power Management sie Electronic Testin...

Page 4: ......

Page 5: ...ade by either Bard or the CBET use the Functional Checkout procedure to verify correct operation before returning the Bard CritiCore Monitor for general use 5 Electronic Testing and Calibration Proced...

Page 6: ...ported problem Was ihe Monitor used on a patient when the problem occurred Paiient status and type of intervention required if applicable If you are advised to return the Monitor to a Bard designated...

Page 7: ...r at the fluid air interface The transducer also functions as receiver detecting the return of the transmitted burst The microcontroller within the CritiCore Monitor will measure the time the energy b...

Page 8: ...in which the Bard Urotrack Model 210 Monitor communicates its data Flow rate and container volume are transmitted in this mode 220 Emulation mode Emulates the manner in which the Bard Urotrack Model...

Page 9: ...Figure 3 CritiCore Monitor with CCM Installed Bard CritiCore Monitor Service Manual Page 6...

Page 10: ......

Page 11: ...er and the silicone rubber transducer cap located at the bottom of the cavity Note Use a soft non abrasive cloth dampened with warm water and mild detergent alcohol or a non staining disinfectant 4 Op...

Page 12: ...emperature window displays and that the Check Probe status indicator is lit System Clock 1 Tur the SET VALUE rotary switch on the rear control panel to the HOUR position Verify that the hour segment P...

Page 13: ...d the surface of the water is steady The Monitor should read approximately 100 ML in the Present Interval Output display 8 Press the Container Volume switch The display should read approximately 100 m...

Page 14: ...rm stops beeping 5 Press the Container Volume switch and verify that the Container Volume displayed is less than 2000ml and is not flashing High Temperature Alarm Before performing this procedure remo...

Page 15: ...on ihe membrane switch to set the alarm limit to 99 0 F 4 Tum the SET VALUE rotary switch to the NORMAL OPERATION position 5 insert a 98 6 F calibration plug Verify that the Low Alarm status indicato...

Page 16: ...ing through a sequence of decimal and hexadecimal numbers letters Once in T mode the cycle will continue regardless of any toggle or rotary switch settings This allows the technician to verify that al...

Page 17: ...CritiCore Monitor Short Battery Life Troubleshooting Flow Chart Monitor is draining the batteries prematurely Y Test current consumption page 47 Current consumption OK No Replace Main Circuit Board Y...

Page 18: ...SENSPWR signal Tilt Sensor Troubleshooting Flow Chart page 47 Does SENSPWR signal check out OK No Replace Main Circuit Board Yes Test the Tilt Sensor page 55 Does Tilt Sensor Lightly tap on Tilt Sens...

Page 19: ...the container is not vibrating Transducer cap is clean Phototransistor is clean Test the Display LCD page 29 Does LCD check out OK No Replace LCD page 47 Does SENSPWR signal check out OK No Yes Test...

Page 20: ...ck out OK No Replace LCD Problem solved Yes connector page 27 Does Temperature Jack connector check out OK No Repiace Jack connector Yes Test temperature accuracy page 8 Re calibrate temperature on ma...

Page 21: ...ator is not lit Check Container indicator is not lit Transducer cap is clean Does STRTXM signa check out OK N Replace Main Circuit o Board Yes y Test the Transducer signal page 50 _ Test the Display L...

Page 22: ...3 0V r Test fuse on Main Circuit Board page 48 Does fuse check out OK No Replace fuse Yes y Test Power Modules page 46 Do Power Modules check out OK Yes Does problem persist No Problem solved No Repl...

Page 23: ...9 Does LCD check out OK No Replace LCD Yes Test for Tilt Sensor failure page 10 Test for Container Sensor failure page 8 o Test for Temperature Measurement failure page 8 4 Test for Volume Measurement...

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Page 25: ...the magnets are missing or damaged they must be replaced See the Attraction Plates and Magnets section on page 40 for magnet replacement procedure 1 Place a disposable container into the Monitor 2 _L...

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Page 27: ...3 8 Phillips pan head screws as illustrated in Figures 9 and 10 arrows indicate screw locations Close the rear panel door 8 Pull straight up on the rear enclosure see Figure 11 to separate it from the...

Page 28: ...ey were in when they were removed 8 Perform the Functional Checkout procedure see page 7 to ensure that alt display and general Monitor functions are working properly Bezel Top The bezel top is the ou...

Page 29: ...ver Needle nose pliers Caution The Bard CritiCore Monitor main and display PCB s contain static sensitive electronic devices Do not attempt to repair any internal components without proper ESD Electro...

Page 30: ...p procedure on page 22 2 Use an ohmmeter to check the resistance between each of the contact pins and the common pin per Figure 17 In Figure 17 the left most contact pin 1 is the common line with the...

Page 31: ...ns the LCD which is easily scratched Be sure to handle this assembly with care 4 Remove and discard the 4 panel seal strips located on the underside of the membrane switch see Figure 20 5 Turn the bez...

Page 32: ...connections with the LCD The display PCB also contains a temperature jack and a phototransistor The temperature jack provides an insertion site for a temperature probe utilizing a mono phone plug The...

Page 33: ...ng the Temperature Equipment Required Jack Connector e No 1 Phillips screwdriver No 2 Phillips screwdriver Small standard screwdriver Needle nose pliers e Desoldering tools Caution The Bard CritiCore...

Page 34: ...temperature jack as supplied by Bard Be sure to position the connector edge with the edge of the PCB and within the silk screen lines on the display PCB see Figure 26 2 Using a non abrasive cloth dam...

Page 35: ...e replaced If it is suspected that a segment or status indicator is not being displayed properly it will be necessary to determine if the problem is the LCD or another component of the Monitor See the...

Page 36: ...turn the Monitor to Bard for service Figure 30 Removing the Liquid Equipment Required 1 Crystal Display LCD No 2 Phillips head screwdriver i No 1 Phillips head screwdriver Small standard screwdriver N...

Page 37: ...wdriver No 1 Phillips head screwdriver Needle nose pliers Caution The Bard CritiCore Monitor main and display PCB s contain static sensitive electronic devices Do not attempt to repair any internal co...

Page 38: ...es and then the remaining five 5 holes excluding the hole directly under the display cable 12 Place the 2 nylon washer and 2 56 hex nut onto each screw and tighten Tighten to approximately 2 5 in lbs...

Page 39: ...en the arm cap and the arm as illustrated in Figure 43 2 Remove the shoulder screw to separate the arm from the enclosure as in Figure 44 Note There are two shoulder screw configurations slotted head...

Page 40: ...e arms hanging down the hook s openings should face towards the front of the Monitor see left Monitor in Figure 42 3 Reattach the hook to the arm by inserting the dowel pin through the hook and arm in...

Page 41: ...lease it from the front enclosure Installing the Handle Equipment Required Standard screwdriver 3 8 socket and driver Procedure Note Before installing the handle ensure that the molded plastic steps a...

Page 42: ...Assembly The front enclosure assembly contains the front enclosure handle arms and select hardware Attached to the front enclosure are the plastic retainers and attraction plates The plastic retainer...

Page 43: ...ed in Figure 54 4 Remove the four 4 6 32x3 16 Phillips pan head screws which secure the main PCB to the front enclosure see Figure 55 Lift up and remove the main PCB Installing the Front Equipment Req...

Page 44: ...ecess 2 Place a small amount of Loctite 454 into the attraction plate recess Immediately place the replacement attraction plate into place adhere to either side of the plate Be sure to wipe away exces...

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