Kyocera FAX SYSTEM, Service Manual

Page: 79 / 96

3JF
1-5-1
1-5-1 Self-diagnosis
(1) Self diagnostic codes
Code Contents
Remarks
Causes Check procedures/corrective measures
C0030
C0070
C0130
C0280
C0820
C0830
C0860
C0870
Fax control PCB system problem
• Processing with the fax software was
disabled due to a hardware or soft-
ware problem.
Fax control PCB incompatibility de-
tection problem*
• Fax software is not compatible with
main software.
Fax control PCB software switch
checksum error
• A checksum error occurred with the
software switch value stored in the
flash ROM on the fax control PCB.
Communication problem between
the fax control PCB and main PCB
• Communication between the fax con-
trol PCB and the main PCB of the
machine cannot be performed nor-
mally.
Fax control PCB CG ROM checksum
error
• A checksum error occurred with the
CG ROM data of the fax control PCB.
Flash ROM program area checksum
error
• A checksum error occurred with the
program of the fax control PCB.
Fax control PCB software switch
checksum error
• A checksum error occurred with the
software switch value of the fax con-
trol PCB.
Fax control PCB to main PCB high-
capacity data transfer problem*
• High-capacity data transfer between
the fax control PCB and the main
PCB of the machine was not normally
performed even if the data transfer
was retried the specified times.
Defective fax con-
trol PCB.
Fax software or
main software is
something of the
other machine.
Defective fax con-
trol PCB.
Poor contact in
the connector ter-
minals.
Defective main
PCB or fax control
PCB.
Defective fax con-
trol PCB.
Defective fax con-
trol PCB.
Defective fax soft-
ware.
Defective fax con-
trol PCB.
Poor contact in
the connector ter-
minals.
Defective fax con-
trol PCB or main
PCB.
Replace the fax control PCB and check for
correct operation.
Check the version of the Fax software and
the main software, upgrade the version to
the compatible software.
Replace the fax control PCB and check for
correct operation.
Check the connection of connector YC1 on
the fax control PCB and the connector
YC15 on the main PCB. Repair or replace
if necessary.
Replace the main PCB or fax control PCB
and check for correct operation.
Replace the fax control PCB and check for
correct operation.
Replace the fax control PCB and check for
correct operation.
Install the fax software to Ver. 2.xx or later.
Replace the fax control PCB and check for
correct operation.
Check the connection of connector YC1 on
the fax control PCB and YC15 on the main
PCB, and the continuity across the connec-
tor terminals. Repair or replace if neces-
sary.
Replace the fax control PCB or main PCB
and check for correct operation.
*: When the network scanner is installed.