Kyocera 255b, Service Manual

Page: 132 / 291

2K3/2L3
1-4-8
0150 Backup memory read/write
error (engine PWB)
Detecting engine PWB
EEPROM communication
error.
Improper installa-
tion engine PWB
EEPROM. Check the installation of the EEPROM and
remedy if necessary.
Defective engine
PWB. Replace the engine PWB and check for cor-
rect operation (see page 1-5-34).
Device damage of
EEPROM. Contact the Service Administrative Division.
0160 Backup memory data error
(engine PWB) Defective flash
memory. Replace the engine PWB and check for cor-
rect operation (see page 1-5-34).
Defective engine
PWB.
0170 Billing counting error
A checksum error is detected
in the main and engine
backup memories for the bill-
ing counters.
Data damage of
EEPROM. Contact the Service Administrative Division.
Defective PWB. Replace the main PWB or the engine PWB
and check for correct operation (see page 1-
5-33, 1-5-34).
0180 Machine number mismatch
Machine number of main and
engine does not match.
Data damage of
EEPROM. Contact the Service Administrative Division.
0320 I/O CPU communication
error
A communication error is
detected 10 times in succes-
sion.
Defective PWB. Replace the main PWB or the engine PWB
and check for correct operation.(see page 1-
5-33,1-5-34)
0800 Image processing error
JAM05 is detected twice.
Defective main
PWB. Replace the main PWB and check for cor-
rect operation(see page 1-5-33).
0830 FAX control PWB flash pro-
gram area checksum error
A checksum error occurred
with the program of the FAX
control PWB.
Defective FAX soft-
ware. Install the fax software.
Defective FAX con-
trol PWB. Replace the FAX control PWB.
0840 Faults of RTC
The time is judged to go back
based on the comparison of
the RTC time and the current
time or five years or more
have passed.
The battery is dis-
connected from the
main PWB. Check visually and remedy if necessary
Defective main
PWB. Replace the main PWB and check for cor-
rect operation (see page 1-5-33).
Code Contents Causes
Check procedures/
corrective measures