Xerox Phaser 8400 Service Manual page 109

8400 PEST Description
37,013.40:
Electronics module cooling fan
disconnect. The electronics
cooling fan is not drawing the
expected power from the supply.
37,014.41:
Drum cooling fan disconnect.
The drum cooling fan is not drawing
the expected power from the supply.
37,015.42:
Troubleshooting Procedure for Fans
Step Questions and Actions
1 1. Run the appropriate diagnostic test:
37,013.40 = (8400) Elect. Cooling
37,014.40 = (8500/8550) Elect. Cooling
37,014.41 = (8400) Drum Fan
37,015.41 = (8500/8550) Drum Fan
2. Did the test pass?
2
1. Check the wiring for the problem fan.
2. Is the wiring damaged or not working
properly?
Service Manual
8500/8550 PEST description
Electronics Cooling Fan Disconnect.
The Electronics Cooling Fan is not
drawing the expected power from the
supply.
Drum cooling fan disconnect. The
drum cooling fan is not drawing the
expected power from the supply.
Yes
Go to Step 2.
Replace the
problem wiring
harness.
No
Go to Step 2.
Replace the
problem
component:
■ Electronics
cooling fan
■ Drum Fan
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