Xerox Phaser 8400 Service Manual page 105

Error Code Definition Table (Continued)
Error code
37,022.4x -
PEST_FAULT_PURGE_MOTO
R_DISCONNECT
37,023.4x -
PEST_FAULT_PURGE_VALVE
_DISCONNECT
37,024.4x -
PEST_FAULT_DRUM_HEATER
_RELAY_DISCONNECT
37,025.4x -
PEST_FAULT_DRUM_HEATER
_RELAY_A_DISCONNECT
37,026.4x -
PEST_FAULT_DRUM_HEATER
_RELAY_B_DISCONNECT
37,027.4x -
PEST_FAULT_X_MOTOR_DIS
CONNECT
37,028.4x -
PEST_FAULT_X_MOTOR_PHA
SE_A_DISCONNECT
3-38
Definition
PEST - Pressure Pump Motor Disconnect The Pressure
Pump Motor is not drawing the expected power from the
supply.
1. Verify the Pressure Pump Motor wiring.
2. Run the pressure pump motor test.
3. Replace the Pressure Pump Motor if the test fails.
PEST - Purge Valve Disconnect The Purge Valve is not
drawing the expected power from the supply.
1. Verify the Purge Pump Assembly wiring.
2. Run the purge vent solenoid test.
3. Replace the purge pump assembly if the test fails.
PEST - Drum Heater Relay Disconnect Both Drum Heater
Relay coils are not drawing the expected power from the
supply.
1. Verify the Drum Heater wiring.
2. Run the drum heater relay test.
3. Replace the Drum heater relay board if the test fails.
PEST - Drum Heater Relay A Disconnect The Drum
Heater Relay coil is not drawing the expected power from
the supply.
1. Verify the Drum Heater wiring.
2. Run the drum heater relay test.
3. Replace the Drum heater relay board if the test fails.
PEST - Drum Heater Relay B Disconnect The Drum
Heater Relay coil is not drawing the expected power from
the supply.
1. Verify the Drum Heater wiring.
2. Run the drum heater relay test.
3. Replace the Drum heater relay board if the test fails.
PEST - X-axis Motor Disconnect Both phases of the X-
axis Motor are not drawing the expected power from the
supply.
1. Verify the X-axis Motor wiring.
2. Run the x-axis drive test.
3. Replace the x-axis motor if the test fails.
PEST - X-axis Motor Phase A Disconnect The X-axis
Motor Phase A is not drawing the expected power from
the supply
1. Verify the X-axis Motor wiring.
2. Run the x-axis drive test.
3. Replace the x-axis motor if the test fails.
Phaser 8400 Printer Service Manual