Self Diagnosis; Self Diagnostic Codes - Kyocera KM-1820 Service Manual

1-5-1 Self-diagnosis

(1) Self diagnostic codes

Code
Fax control PWB system problem
C0030
• Processing with the fax software was
disabled due to a hardware or soft-
ware problem.
C0070 Fax control PWB incompatibility de-
tection problem
• Fax software is not compatible with
main software.
C0280 Communication problem between
the fax control PWB and main PWB
• Communication between the fax con-
trol PWB and the main PWB of the
machine cannot be performed nor-
mally.
C0830 Flash ROM program area checksum
error
• A checksum error occurred with the
program of the fax control PWB.
C0870 Fax control PWB to main PWB high-
capacity data transfer problem
• High-capacity data transfer between
the fax control PWB and the main
PWB of the machine was not nor-
mally performed even if the data
transfer was retried the specified
times.
C0880 Fax control PWB program archive
problem
• When power is turned on, the com-
pressed program in the Flash ROM
on the fax control PWB was not suc-
cessfully decompressed.
C0920 Fax file system error
• The backup data is not retained for
file system abnormality of flash
memory of the fax control PWB.
Contents
Causes Check procedures/corrective measures
Defective fax con- Replace the fax control PWB and check for
trol PWB. correct operation.
Fax software or Check the version of the Fax software and
main software is the main software, upgrade the version to
something of the the compatible software.
other machine.
Poor contact in Check the connection of connector YC1 on
the connector ter- the fax control PWB and the connector
minals. YC1 on the main PWB. Repair or replace if
necessary.
Defective main Replace the main PWB or fax control PWB
PWB or fax con- and check for correct operation.
trol PWB.
Defective fax con- Replace the fax control PWB and check for
trol PWB. correct operation.
Poor contact in Check the connection of connector YC1 on
the connector ter- the fax control PWB and YC1 on the main
minals. PWB, and the continuity across the con-
nector terminals. Repair or replace if nec-
essary.
Defective fax con- Replace the fax control PWB or main PWB
trol PWB or main and check for correct operation.
PWB.
Defective fax con- Replace the fax control PWB and check for
trol PWB. correct operation.
Defective fax con- Replace the fax control PWB and check for
trol PWB. correct operation.
Remarks
3JG
1-5-1