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

2GM

1-5-2 Self-diagnosis

(1) Self-diagnostic function

This unit is equipped with a self-diagnostic function. When a problem is detected, copying is disabled. C and a number
between 0030 and 7990 altenates, indicating the nature of the problem.
After removing the problem, the self-diagnostic function can be reset by turning interlock switch off and back on.
(2) Self diagnostic codes
Code
C0030 Fax control PWB system problem
• Processing with the optional fax soft-
ware was disabled due to a hardware
or software problem.
C0070 Fax control PWB incompatibility de-
tection problem
• Optional fax software is not compat-
ible with main software.
C0150 Backup memory read/write problem
(engine PWB)
• Read and write data does not match.
C0160 Backup memory data problem (en-
gine PWB)
• Data in the specified area of the
backup memory does not match the
specified values.
C0170 Accounting count problem
• When the power is turned on, the to-
tal count and the scan count are ab-
normal both on the main PWB and
the engine PWB.
C0180 Machine number mismatch
• When the power is turned on, the ma-
chine number does not match be-
tween the main PWB and the engine
PWB.
C0210 Communication problem between
the main PWB and engine PWB
• When the power is turned on, the ma-
chine does not detect the low level of
SBSY and the high level of SDIR for
three seconds.
1-5-8
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.
Defective backup Replace the engine PWB and check for
RAM or engine correct operation.
PWB.
Problem with the Turn interlock switch off and back on and
backup memory run maintenance item U020 to set the con-
data. tents of the backup memory data again.
Defective backup If the C0160 is displayed after re-setting
RAM. the backup memory contents, replace the
backup RAM or engine PWB.
Defective main Replace the main PWB or engine PWB
PWB or engine and check for correct operation.
PWB.
Defective main Replace the main PWB or engine PWB
PWB or engine and check for correct operation.
PWB.
Poor contact in Check the connection of connectors YC7
the connector ter- on the main PWB and YC3 on the engine
minals. PWB, and the continuity across the con-
nector terminals. Repair or replace if nec-
essary.
Defective main Replace the main PWB or engine PWB
PWB or engine and check for correct operation.
PWB.
Remarks