Ibt Fan Fail - Xerox Phaser 7500 Service Manual

Error Messages and Codes

IBT Fan Fail

Applicable Chain-Link Code
Initial Actions
3-118
The IBT Fan error was detected.
• 042-334: IBT Fan Fail
• Rotate the Fan manually to check for binding.
• Power cycle the printer.
• If the problem persists, follow the procedure below.
Troubleshooting Reference
Applicable Parts
IBT Fan Assy, PL4.2.8
■
MCU PWB, PL18.3.6
■
Troubleshooting Procedure
Step Actions and Questions
1 Check the Fault History.
Has error 041-330 MCU PWB F7
Blows occurred?
Is F7 on the MCU PWB open?
Note: The condition that caused
F7 to open must be corrected
before replacing the MCU PWB.
2 Perform the IBT Fan Motors test in
Diagnostics.
Are both IBT Fans 1 and 2 rotating?
3 Turn Off the power.
Reseat P/ J 619 and P 416.
Turn On the power.
Repeat the IBT Fan Motors test in
Diagnostics.
Are both IBT Fans 1 and 2 now
rotating?
4
Does the error appear now when
making a print?
Wiring and Plug/Jack Map References
Yes
Go to step 5.
Go to step 5.
Go to step 4.
Go to step 5.
Phaser 7500 Printer Service Manual
No
Go to step 2.
Go to step 3.
Go to step 5.
Troubleshooting
complete.