Kyocera KM-1820

3JG
1-5-1
1-5-1 Self-diagnosis
(1) Self diagnostic codes
Code Contents
Remarks
Causes Check procedures/corrective measures
C0030
C0070
C0280
C0830
C0870
C0880
C0920
Fax control PWB system problem
• Processing with the fax software was
disabled due to a hardware or soft-
ware problem.
Fax control PWB incompatibility de-
tection problem
• Fax software is not compatible with
main software.
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.
Flash ROM program area checksum
error
• A checksum error occurred with the
program of the fax control PWB.
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.
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.
Fax file system error
• The backup data is not retained for
file system abnormality of flash
memory of the fax control PWB.
Defective fax con-
trol PWB.
Fax software or
main software is
something of the
other machine.
Poor contact in
the connector ter-
minals.
Defective main
PWB or fax con-
trol PWB.
Defective fax con-
trol PWB.
Poor contact in
the connector ter-
minals.
Defective fax con-
trol PWB or main
PWB.
Defective fax con-
trol PWB.
Defective fax con-
trol PWB.
Replace the fax control PWB and check for
correct operation.
Check the version of the Fax software and
the main software, upgrade the version to
the compatible software.
Check the connection of connector YC1 on
the fax control PWB and the connector
YC1 on the main PWB. Repair or replace if
necessary.
Replace the main PWB or fax control PWB
and check for correct operation.
Replace the fax control PWB and check for
correct operation.
Check the connection of connector YC1 on
the fax control PWB and YC1 on the main
PWB, and the continuity across the con-
nector terminals. Repair or replace if nec-
essary.
Replace the fax control PWB or main PWB
and check for correct operation.
Replace the fax control PWB and check for
correct operation.
Replace the fax control PWB and check for
correct operation.