Oki C7500n Maintenance Manual page 110

Message Cause
Service Call Flash File SYSTEM
042: Error Error
~
044: Error
Service Call CU ROM for PS+PCL
048: Error was set in Non-PS
device.
Service Call CU type mismatch
049: Error CU ROM does not
match with the device.
Service Call Operater Panel Error
050: Error
Service Call CU Fan Error
051: Error Abnormal CPU cooling
fan on CU board.
Service Call Network comm. Error
063: Error Abnormal H/W I/F
between CU-NIC.
Service Call NIC Combination Error
065: Error
Service Call CANT_HAPPEN
070: Error PS firmware fault
detected.
Service Call Engine communication
072: Error error I/F error between
PU-CU.
Service Call Video overrun detect
073: Error
~
075: Error
Service Call Error in engine RAM
102: Error read/write detected at
power ON.
Service Call Error in engine SRAM
103: Error read/write detected at
power ON.
Service Call Error in engine
104: Error EEPROM check total
detected at power ON.
Service Call EEPROM not detected
105: Error at power ON.
Service Call Error in engine control
106: Error logic detected at power
ON.
Service Call Engine ROM
107: Error check sum error.
41955801TH Rev.8
Table 5-1-1 Operator Alarm (2/6)
Error Description
Failed access to Flash set directly on CU
board.
Is proper program ROM set?
Is proper program ROM set?
Does error display reappear?
Is connector set properly on CU board?
Is error recovered by replacing fan?
Is network board set properly?
Is error recovered by replacing network
board?
Is proper Network board for the model set?
Confirm that error is recovered by turning
power OFF/ON.
Is CU assembly set properly?
Is error recovered by replacing CU board?
Is CU assembly set properly?
Is error recovered by replacing CU board?
Does error reoccur?
Does error reoccur?
Does error reoccur?
Does EEPROM exist?
Does error reoccur?
Does error reoccur?
Does error reoccur?
Is error recovered by reloading PU F/W?
Oki Data CONFIDENTIAL
Solutions
Press ), 3, 5, 6 to turn power ON,
release buttons when
[FLASH FORMAT] appears, wait until
[ON-LINE] (2sec) and replace CU
board if symptom does not change.
Yes Replace program ROM DIMM.
No Replace with proper program ROM
DIMM.
Yes Replace program ROM DIMM.
No Replace with proper program ROM
DIMM.
Yes Refer to no LCD display flow chart.
No Connect properly.
Yes Replace fan.
No Replace CU board.
(Replace EEPROM.)
No Set properly.
Yes Replace Network.
No Replace CU board.
(Replace EEPROM.)
Yes Replace NIC card.
No Replace with proper Network board.
No Replace CU board.
(Replace EEPROM.)
No Set properly.
Yes Replace CU board.
(Replace EEPROM.)
No Replace PU board.
No Set properly.
Yes Replace CU board.
(Replace EEPROM.)
Yes Replace engine control board.
Yes Replace engine control board.
Yes Replace engine control board.
Yes Check for EEPROM and set if not
found.
Yes Replace engine control board.
Yes Replace engine control board.
Yes Reload PU I/F.
No Replace engine control board.
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