October 2012
2-80
ColorQube 8570/8870 Service Manual
99,030 ~ 99,034
Revised, 3rd Revision - Xerox Internal Use Only
Fault Messages and Codes
99,030 ~ 99,034 PEST - X-Axis Motor Disconnect
The X-Axis Motor error has occurred. The Motor is not drawing the expected power from the
Power Supply. The following troubleshooting applies to these errors.
Initial Actions
• Reboot the printer and verify the error persists.
• Check the X-Axis Motor’s wiring connection.
• If the problem persists, perform the following procedure.
Troubleshooting Reference
Applicable Parts (Chapter 5 - Parts List)
• X-Axis Motor, PL 4.1 Item 11
• Electronics Module, PL 5.1 Item 1
• Power Control Board, PL 5.1 Item 8
• Harness, Right Side Power Control, PL 5.1 Item 13
Wiring and Plug/Jack References (Chapter 7 - Wiring Data)
• Figure 1, Right Side Wire Routing
• Figure 2, Right Side Electronics Module P/J Locations
• Figure 7, Drum Heater Load Dump, Motors, Head Maintenance Clutch, Strip Solenoid
Procedure
Check the X-Axis Motor wiring harness connector P/J123. Is the connection secure and
undamaged?
YN
Reseat and/or replace the wiring harness.
Check resistance on the X-Axis Motor wiring harness connector P/J123. Is it open or
shorted?
YN
Check resistance on the Right Side Wiring Harness P/J701 (pins 17-20). Is it open or
shorted?
YN
Troubleshooting complete.
Replace the Right Side Wiring Harness.
Replace the X-Axis Motor (REP 4.11). Does the error persist?
YN
Troubleshooting complete.
Replace the Power Control Board (REP 5.6) (Electronics Module).
Table 1 Applicable Fault Codes
99,030 PEST - X-Axis Motor Disconnect
99,031 PEST - X-Axis Motor Phase A Disconnect
99,032 PEST - X-Axis Motor Phase A Short
99,033 PEST - X-Axis Motor Phase B Disconnect
99,034 PEST - X-Axis Motor Phase B Short
A
A
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