Xerox WorkCentre Pro 423, Service Manual

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WorkCentre Pro 423/428 2-54 CHAPTER 2 TROUBLESHOOTING
03/02 2.3 Level 2 Troubleshooting
X Code Internal
Code
Error Description Corrective Action
X3-70 0892 Other wrong procedures (ISDN) System data check.
Check/replace G4/ICM PWB.
X3-70 0893 Other interworking class (ISDN) System data check.
Check/replace G4/ICM PWB.
X3-73 0804 Call requests beyond available
resources System data check.
X3-73 0805 Call status mismatch detected Check network and line.
Check/replace G4/ICM PWB.
X3-73 0807 Not used (An error which could
not be recognized by ICM
occurred.) Check the line.
Check/replace G4/ICM PWB.
X3-74 0823 UA response is detected in TEI
set state, multi-frame set state
and time recover state.
Equivalent to Toki
EM_DATA_LINK ( 88C5 ) Check network and line.
Check/replace G4/ICM PWB.
X3-74 0824 TEI control task received ID
reject message which includes
error Ai at waiting state.
(equivalent to Toki EM_TEI_GET
(88C3) ) Check network and line.
Check/replace G4/ICM PWB.
X3-74 0825 TEI control task received ID set
message which includes the
same value as the present TEI.
equivalent Toki EM_TEI_GET
(88C3) Check network and line.
Check/replace G4/ICM PWB.
X3-74 0826 TEI control task received TEI ID
release message. equivalent to
Toki EM_TEI_REL (88C4) Check network and line.
Check/replace G4/ICM PWB.
X3-74 0827 TEI control task sent ID request
N202 times at waiting state, but
failed because it could not
receive ID set message.
equivalent to Toki EM_TEI_GET
(88C3) Check network and line.
Check/replace G4/ICM PWB.
X3-74 0828
CP68302 transmitter channel
error. Detected error in TXE bit of
SCCE register.
Check/replace G4/ICM PWB.
X Code Internal
Code
Error Description Corrective Action
X3-74 0829 In HDLC channel, incomplete
buffer was received. Error
detected in TXE bit of SCCE
register. Check/replace G4/ICM PWB.
X3-74 88C3 An illegal event was received. Replace G4/ICM PWB.
Replace G4/ICM PWB ROM.
X3-74 88C4 T.317 time out (Initialization
procedure failure) System error.
Replace MAIN or G4/ICM PWB.
Replace G4/ICM PWB ROM.
X3-75 0848 Received initialization message. Check the line.
Check/replace G4/ICM PWB.
X4-43 0271 Forward job terminated due to
illegal event from OA board. Check/replace OA board.