Cardinal Health IVAC 571, Technical & Service Manual

Page: 40 / 104

IVAC® Volumetric Pump (Models 571 & 572) 40/104 1000SM00018 Issue 2
Troubleshooting
Message Failure Action/Replace
FIX ME B U14 on Logic Board failed power-up test
(Counter timer failure).
Replace U14 on Logic Board; Replace U1, U13 on
Logic Board.
Replace Logic Board.
FIX ME C Watchdog circuit failure at power-up. Replace U7, Y1 on Power Regulator Board; Replace
Power Regulator Board.
Replace U14, U24 on Logic Board; Replace Logic
Board.
FIX ME D Speaker checker failure at power-up. Replace speaker; Replace U4 or Power Regulator
Board.
FIX ME E Speaker failure at power-up.
Speaker disconnected or failed.
Replace speaker; Replace Power Regulator Board.
FIX ME F A/D converter failure at last power-down. Replace U35 on Logic Board; Replace Logic Board
or Analog Board.
Check power supply reference voltage: On Power
Regulator Board, test point = positive side of C16,
limits 5.12 ±0.01 VDC; if not adjust R36.
FIX ME G Watchdog check failure at last power-down. Replace U7 on Power Regulator Board; Replace
Power Regulator Board.
FIX ME H Incorrect pressure applied during pressure
calibration or internal adjustments out of
tolerance.
Ensure correct calibration pressures are used, see
'Dry Set Pressure Calibration' procedure.
Verify that pressure unit selection switch is in the
correct position.
Replace vacuum/pressure transducer assembly.
FIX ME J Pressure transducer failure. Check pressure adjustments, see FIX ME H.
Replace pressure transducer/vacuum assembly.
FIX ME K CIM ID entered without a CIM connected. Change CIM ID setting to
OFF
, see test
024
.
FIX ME L EEPROM failure Replace U27 on Logic Board; Replace U23 on Logic
Board.
FIX ME M Air-in-line failure. Replace air-in-line receiver on the front panel.
Replace air-in-line transmitter on the door.
Replace Accessory Interface Board.
FIX ME N Motor rotation direction is reversed.
One or both motor rotation sensors failed.
Check that connectors J13 and J16 on Accessory
Interface Board are not reversed.
Replace rotation sensor assembly.
FIX ME P Set sensor failure:
Set sensor detection failed when tested.
Sensor exposed to direct sunlight on latch side
of pump.
Locate pump away from direct sunlight.
Replace the set sensor assembly.
FIX ME Q Vacuum system failure. Install new IV infusion set and run test
27
. Verify
that the vacuum reading is
-250
or more negative
when door is closed.
Clean face of pressure transducer and check for
damage.
Check and replace Y-clip, door latch pin and door
latch as necessary.
Replace pressure transducer/vacuum assembly.
Error Messages
(continued)