37,0Xx.4X Pest Power Supply Faults - Xerox Phaser 8860 Service Manual

37,0XX.4x PEST Power Supply Faults

An Power Supply error has occurred. The following troubleshooting procedure applies to these
errors:
PEST Power Supply Faults
37,041.41 The Power Supply failed to reset.
37,043.43 The Power Supply 2.5 V source over limit.
37,044.44 The Power Supply 2.5 V source under limit.
37,045.45 The Power Supply 3.3 V source over limit.
37,046.46 The Power Supply 3.3 V source under limit.
37,047.47 The Power Supply 12 V source over limit.
37,048.48 The Power Supply 12 V source under limit.
37,049.40 The Power Supply -12 V source over limit.
37,050.41 The Power Supply -12 V source under limit.
37,051.42 The Power Supply current over limit.
37,052.43 The Power Supply current under limit.
37,053.44 The Power Supply 50 V source over limit.
37,054.45 The Power Supply 50 V source under limit.
37,055.46 The Power Supply -50 V source over limit.
37,056.47 The Power Supply -50 V source under limit.
37,057.48 The Power Supply 15 V source over limit.
37,058.40 The Power Supply 15 V source under limit.
37,059.41 The Power Supply -15 V source over limit.
37,060.42 The Power Supply -15 V source under limit.
37,061.43 The Power Supply 5 V source over limit.
37,062.44 The Power Supply 5 V source under limit.
37,063.45 The Power Supply high switch not activated. Electrical short or missing reset line.
37,064.46 Vss too low. The Printhead power harness may be disconnected.
37,065.47 Vpp too low. The Printhead or Wave Amp may be disconnected.
37,066.48 The Wave Amplifier s drawing too much power. Possible short.
Initial Actions
• Check the component power connections and harness condition.
• If the problem persists, follow the procedure below.
Primary Causes
The troubleshooting table lists parts and wiring referenced in the troubleshooting procedure.
Table 1 37,0XX.4x Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack References
Electronics Module, PL 5.0
Error Messages and Codes
37,0XX.4x
Troubleshooting Procedure
Table 2 PEST Power Supply Faults 37,0XX.4x Troubleshooting Procedure
Step Questions or Actions
1 Test the Power Supply.
Run the Service Diagnostics Voltages
test.
Does the Power Supply operate correctly?
2 Check the Printhead Power connection.
Is the wiring disconnected or damaged?
09/2007
2-48
Yes No
Go to Step 2. Replace the Elec-
tronics Module (REP
5.0.5).
Repair or replace the Replace the Elec-
harness. tronics Module (REP
5.0.5).
Initial Issue
Phaser 8860/8860MFP Service Manual