Kyocera FS-C8500DN Service Manual page 177

(2) Self diagnostic codes
Code
C0100 Backup memory (EEPROM) device
problem (Main PWB)
Reading from or writing to EEPROM
cannot be performed.
C0120 MAC address data error
For data in which the MAC address is
invalid.
C0150 Backup memory (EEPROM) device
problem (Engine PWB)
No response is issued from the device in
reading/writing for 5 ms or more and this
problem is repeated five times succes-
sively.
Mismatch of reading data from two loca-
tions occurs eight times successively.
Mismatch between writing data and
reading data occurs eight times succes-
sively.
C0160 Backup memory (EEPROM) data
problem (Engine PWB)
Reading data from EEPROM is abnor-
mal.
C0170 Copy counts problem
A checksum error is detected in the main
and sub backup memories for the copy
counters.
C0180 Machine number mismatch error
Machine number of main PWB and
engine PWB does not match.
C0320 Power CPU communication problem
A communication error is detected 10
times in succession.
C0640 Hard disk drive problem
The hard disk cannot be accessed.
Contents
Causes Check procedures/corrective measures
Defective main Replace the main PWB and check for cor-
PWB. rect operation.
Device damage of Contact the Service Administrative Division.
EEPROM.
Defective main Replace the main PWB and check for cor-
PWB. rect operation.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation.
Device damage of Contact the Service Administrative Division.
EEPROM.
Data damage of Contact the Service Administrative Division.
EEPROM.
Data damage of Contact the Service Administrative Division.
EEPROM.
Defective PWB. Replace the main PWB or engine PWB and
check for correct operation.
Data damage of Contact the Service Administrative Division.
EEPROM.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation.
Poor contact in the Check the connection the main PWB and
connector termi- the hard disk, and the continuity across the
nals. connector terminals. Repair or replace if
necessary.
Defective hard Run U024 (HDD formatting) without turning
disk. the power off to initialize the hard disk (see
page 1-3-20). Replace the hard disk drive
and check for correct operation if the prob-
lem is still detected after initialization.
Defective main Replace the main PWB and check for cor-
PWB. rect operation.
Remarks
2KA
1-4-23