E Lvps Fan Failure - Xerox Phaser 6121MFP Service Manual

Error Messages and Codes

004E LVPS Fan Failure

Initial Actions
Procedure
3-74
Possible causes:
• The Power Supply Cooling Fan Motor does not rotate evenly even after the
lapse of a given period of time while it is being started.
• The motor lock signal remains HIGH for a given period of consecutive time
while the Power Supply Cooling Fan Motor is being rotated.
Power down and reboot the printer.
Troubleshooting Reference Table
Applicable Parts
Power Supply Cooling Fan Motor,
PL12.0.11
Engine Control Board, PL13.0.20
Power Supply, PL13.0.17
Troubleshooting Procedure Table
Step Action and Questions
1
Check the High Voltage Board
connectors CN1 and CN2, and the
Engine Control Board connector P/J17.
Are the connectors seated properly?
2
Check the Power Supply Cooling Fan
Motor control signals at CN2.
Are the signals operating correctly?
3 Check the Power Supply Cooling Fan
Motor control signals at PJ17 on the
Engine Control Board.
Are the control signals operating
correctly?
Wiring and Plug/Jack References
Board Locations (page 2-10)
Motors, Fans, and Solenoids
(page 2-12)
Map 1 - Engine Control Board
Plug/Jack Locator (page 10-5)
Engine Control Board Wiring
(page 10-14)
Yes No
Go to step 2. Reseat the
connector(s). If
the problem
persists, go to
step 2.
Replace the Go to step 3.
motor
(page 8-95). If
the problem
persists, go to
step 3.
Replace the Go to step 4.
High Voltage
Board
(page 8-57). If
the problem
persists, go to
step 4.
Phaser 6121MFP Service Manual