Xerox WorkCentre 4150

January 2016
2-21
WorkCentre WorkCentre 4150/4250/4260WorkCentre 4150/4250/42604150/
03-970, 03-990
Status Indicator RAPs
03-970 MCB Watchdog Detects Software RAP
03-970 The main PWB software has stopped responding.
Procedure
WARNING
Switch off the electricity to the machine. Disconnect the power cord from the customer
supply while performing tasks that do not need electricity. Electricity can cause death or
injury. Moving parts can cause injury.
Perform the following:
1. Switch off the machine, then switch on the machine.
2. Reload the firmware, GP 6.
3. Perform the OF5 Main PWB Check RAP.
03-990 Machine to HCF Communications Fault RAP
03-990 A main PWB to HCF PWB communications error has been detected.
Procedure
WARNING
Switch off the electricity to the machine. Disconnect the power cord from the customer
supply while performing tasks that do not need electricity. Electricity can cause death or
injury. Moving parts can cause injury.
NOTE: The main PWB has test points. The location of the test points is shown on the Main
PWB PJ location illustration.
Refer to (4250/4260) Wiring Diagram 26 and Wiring Diagram 30 (4265) Wiring Diagram 42
and Wiring Diagram 30. Perform the following:
1. Switch off the machine, then switch on the machine.
2. (4250/4260) Check the wiring between CN19 on the Main PWB and CN1 on the HCF
PWB.
3. (4265) Check the wiring between CN19 on the Main PWB and CN1 on the HCF PWB.
4. Ensure CN3 is securely seated on the HCF PWB.
5. Install new components as necessary:
• Tray connector, PL 7.20 Item 3 or PL 7.65 Item 5.
• HCF PWB, PL 7.60 Item 7.
6. Perform the OF5 Main PWB Check RAP.