Xerox WorkCentre Pro 423, Service Manual

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WorkCentre Pro 423/428 2-74 CHAPTER 2 TROUBLESHOOTING
03/02 2.3 Level 2 Troubleshooting
Internal
Code
Error Description Corrective Action
8C7F Service function (sysPnl) parameter error
(Software bug) Check CONTROL PANEL-
MCU/SW PWB/M/F MAIN PWB
connections. Check M/F MAIN
PWB and ROM. Replace
CONTROL PANEL.
8C80 Initialization phase Check M/F MAIN PWB and ROM.
Replace CONTROL PANEL.
8C90 I/O Monitor Check M/F MAIN PWB and ROM.
Replace CONTROL PANEL.
8CA0 Display Monitor Check M/F MAIN PWB and ROM.
Replace CONTROL PANEL.
8CB0 M/F Monitor
Check CONTROL PANEL-
MCU/SW PWB/M/F MAIN PWB
connections. Check M/F MAIN
PWB and ROM. Replace
CONTROL PANEL.
8CC0 CONTROL PANEL Monitor Check M/F MAIN PWB and ROM.
Replace CONTROL PANEL.
8D12 Page deletion table overflow
8DC1 Timeout error (Command interrupt
timeout, DMA interrupt timeout, or device
ready timeout) Operate again.
8DC2
Software error (Interface error, device-
unexpected error, or error reported from
DMA handler)
Operate again.
8DD0 Unable to post processing result notice
event from disk task to user task
EM_HD_SND_RSP_NG S/W bug
8DD1 Unable to post task generation OK notice
event from disk task to init task
EM_HD_INIT_NG S/W bug
8DD2 HDD not ready
EM_HD_NOT_READY Set HDD ready.
8DE0 DRAM error during file control
information read Check/replace the hardware.
8DE1 DRAM error during directory control
information read Check/replace the hardware.
Internal
Code
Error Description Corrective Action
8DE2 DRAM error during page control
information read Check/replace the hardware.
8DE3 DRAM error during block control
information read Check/replace the hardware.
8DE4 DRAM error during tag control
information read Check/replace the hardware.
9991 Forced machine reboot on job end
instruction from EPSV No action required.
9993 The unexpected “Instructions of
completing initialization” was received
from CONTROL PANEL. (action for H/W
problems) No action required.
9994 For reboot when CUST OUT occurred in
installing BLT-PNL No action required.
9995
Compel M/C to be rebooted when Billing
Meter is connected. BILLING_IN
No action required.
9996 Compel M/C to be rebooted when Billing
Meter is disconnected. BILLING_OUT No action required.
9997 Compel M/C to be rebooted after
Remote Maintenance is complete.
RM_RESTART No action required.
9998 Compel M/C to be rebooted after
memory is cleared. MANUAL_RESTART No action required.
9999
Compel M/C to be rebooted.
MANUAL_RESET
No action required.
FFFE Communication interrupted by operator Normal (Recorded in
communication log only)