Xerox WorkCentre Pro 423 Service Manual page 102

WorkCentre Pro 423/428
Internal Error Description
Code
8472 BP-F Handler was requested to close by
any one else than the user.
EMG_VCEM_CLOSE
8473 At production of a report with image,
Buffer full is detected.
EMG_VCEM_MREPORT
8474 A glitch was detected with IOT Page
Sync Signal.
EMG_VCEM_PSYNC_GLITCH
8590 Undefined interrupt
8591 Undefined trap instruction
8592 Watchdog timer timeout
8700 Failed to initialize IDE device (HDD) .
EM_HD_IDE_DIAGERR
8701 Fatal Error
AMNF ( Address Mark Not Found )
TKONF ( Track 0 not found )
IDNF ( ID not found )
UNC ( Uncorrectable ECC error )
8702 Failed to post event from user task to
disk task..
EM_HD_FMT_ACK_NG
8703 Failed to post event from disk task to
panel task to notify completion of HDD
initialization.
EM_HD_FMT_NG
8711 HDD media error. (Can not read/write,
etc.)
EM_HD_MEDIA_ERR
8712 HDD hardware error. (scsi controller
defect) EM_HD_HW_ERR
8714 READ command reexecution failure
EM_HD_READ_RETRY
03/02
Corrective Action
Operate again, or replace M/F
MAIN PWB.
Operate again.
Hardware problem. Check the
G3M board connection.
Check/replace the G3M board.
Check the G3M board connection.
Check/replace the G3M board.
Check the G3M board connection.
Check/replace the G3M board.
Check/replace M/F MAIN PWB and
HDD.
Replace M/F MAIN PWB PWBA .
Register the defect blocks.
Check/replace the media.
Check the hardware. Replace
HDD.
Check the hardware. Replace
HDD.
2-70
Internal Error Description
Code
8715 WRITE command reexecution failure
EM_HD_WRITE_RETRY
8716
TEST UNIT READY command
reexecution failure
EM_HD_READY_RETRY
8717 FORMAT command reexecution failure
EM_HD_CTL_RETRY
8718 REZERO command reexecution failure
EM_HD_MEDIA_RETRY
8719 WRITE BUFFER/READ BUFFER
command reexecution failure
EM_HD_WRBUF_RETRY
871A START STOP command reexecution
failure EM_HD_SSTOP_RETRY
871B READ CAPACITY command reexecution
failure EM_HD_STATUS_RETRY
871C SEND DIAGNOSTIC command
reexecution failure
EM_HD_DIAG_RETRY
87FF HDD hardware fault (SCSI controller
abnormal) or configuration error (Option
memory not connected)
88C0 FXOS attachment error (Task generation
failure)
88C1
FXOS post event error (Event posting
failure)
88C2 FXOS read event error (Event read
failure)
8B70 Other failure
8B71 JT monitor failure
8B72 JT monitor and MF-SYS communication
error
CHAPTER 2 TROUBLESHOOTING
2.3 Level 2 Troubleshooting
Corrective Action
Check the hardware. Replace
HDD.
Check the hardware. Replace
HDD.
Check the hardware. Replace
HDD.
Check the hardware. Replace
HDD.
Check the hardware. Replace
HDD.
Check the hardware. Replace
HDD.
Check the hardware. Replace
HDD.
Check the hardware. Replace
HDD.
Check/replace the hardware.
Check Option Memory connection.
Replace HDD.
Replace G4/ICM PWB.
Replace G4/ICM PWB ROM.
Replace G4/ICM PWB.
Replace G4/ICM PWB ROM.
Replace G4/ICM PWB.
Replace G4/ICM PWB ROM.
Reset the system for automatic
recovery. If the system does not
recover, replace P-ESS.
Reset the system for automatic
recovery. If the system does not
recover, replace P-ESS.
Reset the system for automatic
recovery. If the system does not
recover, replace P-ESS.