Self-Diagnosis; Self-Diagnostic Function; Self-Diagnostic Codes - Kyocera KM-1620 Service Manual

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 0100 and 7810 altenates, indicating the nature of the problem.
After removing the problem, the self-diagnostic function can be reset by opening and closing the front cover to turn safety
switch off and on or power switch turns off and on.
(2) Self diagnostic codes
Code
C0100 Backup memory read/write problem
(A0100*) (main PCB)
• Read and write data does not match.
C0110 Backup memory data problem (main
(A0110*) PCB)
• Data in the specified area of the
backup memory does not match the
specified values.
C0150 Backup memory read/write problem
(A0150*) (engine PCB)
• Read and write data does not match.
C016 Backup memory data problem (en-
(A016*) gine PCB)
• 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 PCB and the
engine PCB.
C0180 Machine number mismatch
• When the power is turned on, the ma-
chine number does not match be-
tween the main PCB and the engine
PCB.
C0210 Communication problem between
(A0210*) the main PCB and engine board PCB
• 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.
C0410 Optional DP communication problem
(A0410*) • Communication fails five times suc-
cessively.
"A" is displayed on the operation panel.
Contents
Causes Check procedures/corrective measures
Defective backup Replace the main PCB and check for cor-
RAM or main rect operation.
PCB.
Problem with the Turn safety switch off and back on and run
backup memory maintenance item U020 to set the contents
data. of the backup memory data again.
Defective backup If the C011 is displayed after re-setting the
RAM. backup memory contents, replace the
backup RAM or main PCB.
Defective backup Replace the engine PCB and check for
RAM or engine correct operation.
PCB.
Problem with the Turn safety switch off and back on and run
backup memory maintenance item U020 to set the contents
data. of the backup memory data again.
Defective backup If the C016 is displayed after re-setting the
RAM. backup memory contents, replace the
backup RAM or engine PCB.
Defective main Replace the main PCB or engine PCB and
PCB or engine check for correct operation.
PCB.
Correct EEPROM Install the correct EEPROM. If it does not
is not installed. solve the problem, contact the Service Ad-
ministrative Division.
Data damage of Contact the Service Administrative Divi-
EEPROM. sion.
Poor contact in Check the connection of connectors YC6
the connector ter- on the main PCB and YC1 on the engine
minals. PCB, and the continuity across the connec-
tor terminals. Repair or replace if neces-
sary.
Defective main Replace the main PCB or engine PCB and
PCB or engine check for correct operation.
PCB.
DP installed incor- Check the installation state of the DP and
rectly. adjust it if it is not properly installed.
Defective main Replace the main PCB or DP driver PCB
PCB or DP driver and check for correct operation.
PCB.
Remarks
2C9-2
1-5-15