IVAC® Volumetric Pump (Models 571 & 572)
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1000SM00018 Issue 2
Troubleshooting
Error Messages
(continued)
Message
Failure
Action/Replace
FIX ME 0
Microprocessor execution error.
Replace U28, U29 on Logic Board; Replace U1 on
Logic Board.
FIX ME 1
Logic Board component failure (CRC check error). Replace U13 on Logic Board; Replace U1 on Logic
Board; Replace U28, U29 on Logic Board.
Replace Logic Board.
FIX ME 2
Microprocessor failure (CPU error).
Replace U1 on Logic Board.
If problem persists, follow FIX ME 1 actions.
FIX ME 3
RAM contents lost following loss of power. (RAM
error). Occurs at power up after reconnection of
AC and battery power.
Recycle power
ON/OFF
switch; Replace U28, U29
on Logic Board.
If problem persists, follow FIX ME 1 actions.
FIX ME 4
Watchdog reset failure.
Microprocessor, Watchdog or Interconnect cable
failure.
Replace U7, U8 on Power Regulator Board; Replace
U14 on Logic Board; Replace interconnect cable.
FIX ME 5
Numeric Display segment failure.
Flex cable not correctly installed at J3.
Display driver circuit or checking circuitry failure.
Reseat flex cable into J3 ensuring cable tabs are in
line with connector tabs.
Run Tests
03
,
04
and
05
.
If Display and Front Panel switches function
properly and do not stick then replace DS1-DS3.
Replace flex cable.
Replace Display Board.
FIX ME 6
Numeric Display digit select failure.
Run tests
03
and
17
to identify faulty digit or
switch.
Replace flex cable.
Replace Display Board.
FIX ME 7
Segment check circuit failure.
Remove power to Logic Board to power down
RAM.
Replace flex cable.
Replace Display Board.
FIX ME 8
Mechanism flag not detected at proper time
(Motor revolution period error).
Insufficiently lubricated mechanism.
Failed or misaligned rotation sensor optics.
Flag loose, mispositioned on mechanism cam
pulley.
Slipping mechanism cam or motor pulleys.
Failed cable assembly.
Failed Logic Board components.
Failed motor drive circuitry on Power Regulator
Board.
Failed or misaligned motor; misaligned front
panel.
Cam followers damage; jammed cam follower
assembly.
Failed pressure plate.
Clean any dried solution in mechanism then
lubricate along edges of cam followers.
Verify pulleys do not slip; verify motor rotates and
is not binding.
Rotate motor by hand, run test
22
and observe
port 16, bits 0 and 1.
Check red/black motor wires for damage.
Replace motor.
Replace pulley belt.
Replace Power Regulator Board.
FIX ME 9
Microprocessor malfunction (Background
execution error).
Follow FIX ME 1 actions.
FIX ME A
Motor current not detected during power-up
(Motor shutdown failure).
Failed Logic Board or Power Regulator Board
components.
Failed motor.
Replace interconnect cable (Logic Board to power
Regulator Board).
Replace Logic Board.
Replace Power Regulator Board.
Replace motor.
Summary of Contents for IVAC 571
Page 1: ...IVAC Variable Pressure Volumetric Pump Models 571 572 Technical Service Manual...
Page 37: ...Chapter 4 Troubleshooting In this chapter Introduction 38 Error Messages 38 General Faults 42...
Page 97: ...Appendix C Configured Options...
Page 99: ...Appendix D Disposal...
Page 101: ...Appendix E Service Contacts...
Page 103: ...Appendix F Document History...