Xerox WORKCENTRE C2424, Service Manual

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3-42 WorkCentre C2424 Service Manual
37,022.40:
PEST - Pressure pump motor disconnect. The pressure pump motor is
not drawing the expected power from the supply.
37,023.41: PEST - Purge valve disconnect. The purge valve is not drawing the
expected power from the supply.
37,024.42:
PEST - Drum heater relay board disconnect. Both drum heater relay coils
are not drawing the expected power from the supply.
37,025.43:
PEST - Drum heater relay A disconnect. The drum heater A coil is not
drawing the expected power from the supply.
37,026.44:
PEST - Drum heater relay B disconnect. The drum heater B coil is not
drawing the expected power from the supply.
Troubleshooting Procedure
Step Questions and Actions Yes No
1 1.
Run the Pressure Pump Motor test.
2.
Did the test pass?
Replace the
electronics
module. Go to Step 2.
2 1.
Check the purge pump assembly wiring.
2.
Is the wiring damaged?
Replace the pressure pump motor.
Troubleshooting Procedure
Step Questions and Actions Yes No
1 1.
Run the Purge Vent Solenoid test.
2.
Did the test pass?
Go to Step 2. Replace the
purge pump.
2 1.
Check the purge pump assembly wiring.
2.
Is the wiring damaged?
Replace the defective wiring or the
purge pump.
Troubleshooting Procedures
Step Questions and Actions Yes No
1 1.
Run the Drum Heater Relay test.
2.
Did the test pass?
Replace the
electronics
module. Go to Step 2.
2 1.
Check the wiring for damage. Replace the drum heater relay
board.