Xerox WorkCentre Pro 423 - Page 103

03/02 2.3 Level 2 Troubleshooting
WorkCentre Pro 423/428 2-71 CHAPTER 2 TROUBLESHOOTING
Internal
Code
Error Description Corrective Action
8B73 MFIO Fail
Reset the system for automatic
recovery. If the system does not
recover, replace P-ESS.
8B74 MFIO-MF-SYS communication error
Reset the system for automatic
recovery. If the system does not
recover, replace P-ESS.
8B75 Formatter Fail
Reset the system for automatic
recovery. If the system does not
recover, replace P-ESS.
8B76 Redirector Fail
Reset the system for automatic
recovery. If the system does not
recover, replace P-ESS.
8C01 TCB Stack Overflow
Check M/F MAIN PWB and ROM.
Replace CONTROL PANEL.
8C02 TCB address is incorrect.
Check M/F MAIN PWB and ROM.
Replace CONTROL PANEL.
8C03 TPCB address is incorrect. Check M/F MAIN PWB and ROM.
Replace CONTROL PANEL.
8C04 Task No. is incorrect. Check M/F MAIN PWB and ROM.
Replace CONTROL PANEL.
8C05 ECB address is incorrect. Check M/F MAIN PWB and ROM.
Replace CONTROL PANEL.
8C06 PRM address is incorrect. Check M/F MAIN PWB and ROM.
Replace CONTROL PANEL.
8C07 TMCB address is incorrect.
Check M/F MAIN PWB and ROM.
Replace CONTROL PANEL.
8C08 Selected TPCB address can’t be found.
Check M/F MAIN PWB and ROM.
Replace CONTROL PANEL.
8C09 Selected TCB address can’t be found. Check M/F MAIN PWB and ROM.
Replace CONTROL PANEL.
8C0A Memory for TCB was deleted. Check M/F MAIN PWB and ROM.
Replace CONTROL PANEL.
8C0B Selected TCB address can’t be found. Check M/F MAIN PWB and ROM.
Replace CONTROL PANEL.
8C0C An event(0) inhibited from use was
detected.
Check M/F MAIN PWB and ROM.
Replace CONTROL PANEL.
Internal
Code
Error Description Corrective Action
8C0D Selected ECB address can’t be found.
Check M/F MAIN PWB and ROM.
Replace CONTROL PANEL.
8C0E The received PRM is illegal.
Check M/F MAIN PWB and ROM.
Replace CONTROL PANEL.
8C0F Syntax error Check M/F MAIN PWB and ROM.
Replace CONTROL PANEL.
8C10 Memory for TMCB is deleted. Check M/F MAIN PWB and ROM.
Replace CONTROL PANEL.
8C11 Memory for ECB is deleted.
Check M/F MAIN PWB and ROM.
Replace CONTROL PANEL.
8C12 Memory for PRM is deleted.
Check M/F MAIN PWB and ROM.
Replace CONTROL PANEL.
8C20 CPU Exception Process Error
Bus Error
Check M/F MAIN PWB and ROM.
Replace CONTROL PANEL.
8C21 CPU Exception Process Error
Address Error
Check M/F MAIN PWB and ROM.
Replace CONTROL PANEL.
8C22 CPU Exception Process Error
Illegal instructions
Check M/F MAIN PWB and ROM.
Replace CONTROL PANEL.
8C23 CPU Exception Process Error
Divided by 0
Check M/F MAIN PWB and ROM.
Replace CONTROL PANEL.
8C24
CPU Exception Process Error
CHK instructions
Check M/F MAIN PWB and ROM.
Replace CONTROL PANEL.
8C25
CPU Exception Process Error
TRAPV instructions
Check M/F MAIN PWB and ROM.
Replace CONTROL PANEL.
8C26 CPU Exception Process Error
Privilege violation
Check M/F MAIN PWB and ROM.
Replace CONTROL PANEL.
8C27 CPU Exception Process Error
Trace Exception Process
Check M/F MAIN PWB and ROM.
Replace CONTROL PANEL.
8C28 CPU Exception Process Error
Instructions that are not installed (line
1010 emulator)
Check M/F MAIN PWB and ROM.
Replace CONTROL PANEL.
8C29
CPU Exception Process Error
Instructions that are not installed (line
1111 emulator)
Check M/F MAIN PWB and ROM.
Replace CONTROL PANEL.