Error Troubleshooting
Xerox Internal Use Only Phaser 6600 and WorkCentre 6605
Service Manual
2-177
Error Code Fault Isolation Procedures
Level 1 FIP
042-313 IOT Fan Motor Failure
Step Check Yes No
Possible causative parts:
• Main Fan (PL4.1.13)
• Top Harness Assembly (PL18.2.5)
• LVPS (PL18.1.34)
• MCU Board (PL18.1.13)
1 Check the Main Fan operation
Execute Digital Output diagnostic test 042-001, and check
the Main Fan rotation.
Does the Main Fan function normally?
Replace the MCU
Board.
Go to step 2.
2 Check the Main Fan installation
Rotate the Main Fan manually. Is there an overload?
Reinstall
the Main Fan
appropriately.
Go to step 3.
3 Check the Main Fan connection
Check the connection between the Main Fan and the LVPS.
Is P/J503 connected securely?
Go to step 4. Reconnect
P/J503 securely.
4 Check the connections between the LVPS and the MCU
Board
Are P/J501 and P/J29 connected securely?
Go to step 5. Reconnect
P/J501 and P/J29
securely.
5 Check the continuity between the LVPS and the MCU Board
Is each cable of P/J501<=>P/J29 continuous?
Go to step 6. Replace the Top
Harness
Assembly.
6 Check after replacing the Main Fan
Replace the Main Fan.
Does the error still occur?
Replace the LVPS. Finished.
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