Xerox WorkCentre Pro 423 Service Manual page 106

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