Xerox C2424 - WorkCentre Color Solid Ink Service Manual page 134

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