judgment
Yes
No
Yes
No
Yes
No
Yes
No
No
Yes
No
No
No
Yes
No
No
Yes
Yes
Cause
CU PCB flash
ROM error
Flash File
System Error
PS+PCL Model CU
ROM is mounted
on a Non-PS
model unit.
CU Type
Mismatch
CU ROM model
mismatches unit.
Operator Panel
Error
CU FAN
ERROR
CPU cooling fan
of CU PCB is
abnormal.
Image
Processor
Driver Error
Parallel Inter-
face Driver
Error
USB Drive Error
Network comm.
Error
H/W I/F abnor-
mality between
CU-NIC.
CANT_HAPPEN
PS Firmware
Abnormality
Detection
Engine commu-
nication error
I/F Error
between PU-
CU.
Video overrun
detect
Parameter
Match Check
Error
Finisher
Unrestorable
Error
Inverter power
supply Error
After turning ON
the power, Error
is detected in
engine RAM
Read/Write.
Error Description and Analysis
Failed to access flash
memory that is surface-
mounted on CU PCB.
Is a standard model program
ROM mounted?
Is a standard model program
ROM mounted?
Is the error display reproduc-
ible?
Is the connection of the CU
PCB normal?
Replace and restore fan?
Is the error display
reproducible?
Is the error display
reproducible?
Is the error display reproducible?
Is the Network PCB properly
mounted?
Does replacement of the
network PCB correct the
problem?
Check if problem is corrected
by turning OFF/ON Power/
Is the CU Assy properly
mounted?
Does replacement of the CU
PCB correct the problem?
Is the CU Assy properly
mounted?
Does replacement of the CU
PCB correct the problem?
Normal Read/Write not
possible with EEPROM or
Flash.
Is the error display
reproducible?
Is the error display
reproducible?
Does the Error take place
again?
Remedy
Replace CU PCB
(Must replace EEPROM)
*1
Replace Program ROM DIMM.
Replace with standard
program ROM DIMM officially
for the model.
Replace Program ROM DIMM.
Replace with standard
program ROM DIMM officially
for the model.
Refer to the flowchart on
“Failure to appear on LCD”.
Normally connect.
Replace fan.
Replace CU PCB.
(Must replace EEPROM)
Power OFF/ON
Replace CU PCB. (Replace
EEPROM)
Power OFF/ON
Replace CU PCB. (Replace
EEPROM)
Power OFF/ON
Replace CU PCB. (Replace
EEPROM)
Properly mount
Replace Network
Replace CU PCB.
(Must replace EEPROM)
Replace CU PCB.
(Must replace EEPROM)
Properly mount
Replace CU PCB.
(Must replace EEPROM)
Replace PU PCB
Properly mount
Replace CU PCB.
(Must replace EEPROM)
If the condition does not
change replace CU PCB.
If turning OFF and ON the
power again does not correct
the problem, maintenance by a
servicing personnel is necessary.
If turning OFF and ON the
power again does not correct
the problem, maintenance by a
servicing personnel is necessary.
Replace Engine Control PCB
(S2V)
Display
Service Call
042: Error
to
045: Error
Service Call
048: Error
Service Call
049: Error
Service Call
050: Error
Service Call
051: Error
Service Call
052: Error
Service Call
060: Error
Service Call
062: Error
Service Call
063: Error
Service Call
070: Error
Service Call
072: Error
Service Call
073: Error
to
075: Error
Service Call
081: Error
Service Call
096: Error
Service Call
097 Error
Service Call
102: Error
600
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
1200
-
-
-
-
-
-
-
-
-
✓
✓
-
-
✓
✓
✓
Table 7-1-1 Operator Alarm (2/10)
Troubleshooting Guide Page 24
