Self-Diagnostic Codes - Kyocera KM-2530 Service Manual

2DF
(2) Self diagnostic codes
Code
C0030 Fax board* problem
• Problems with data from fax board.
C0110 Backup memory data problem
• Data in the specified area of the
backup memory does not match the
specified values.
C0210 Operation unit PCB communication
problem
• There is no reply after 20 retries at
communication.
C0240 Printer board* communication prob-
lem
• There is no reply after 20 retries at
communication.
C0250 Scanner network board* communi-
cation problem
• There is no reply after 20 retries at
communication.
C0280 Fax board* communication problem
• There is no reply after 20 retries at
communication.
C0420 Large paper deck*/paper feed desk*
communication problem
• Communication errors from the com-
munication microcomputer on the
main PCB.
No communication: there is no reply
after 5 retries.
Abnormal communication: a commu-
nication error (parity or checksum er-
ror) is detected five times in succes-
sion.
1-5-28
Contents
Causes Check procedures/corrective measures
Defective fax Replace the fax board and check for cor-
board. rect operation.
Problem with the Turn safety switch 1 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 C011 is displayed after re-setting the
RAM. backup memory contents, replace the
backup RAM.
Poor contact in Check the connection of connectors CN36,
the connector ter- CN42 on the main PCB and CN1, CN2 and
minals. CN3 on the operation unit PCB, and the
continuity across the connector terminals.
Repair or replace if necessary.
Defective main Replace the main PCB or operation unit
PCB or operation PCB and check for correct operation.
unit PCB.
Poor contact in Check the connection of connector CN43
the connector ter- on the main PCB and the connector on the
minals. printer board. Repair or replace if neces-
sary.
Defective main Replace the main PCB or printer board and
PCB or printer check for correct operation.
board.
Poor contact in Check the connection of connector CN46
the connector ter- on the main PCB and the connector on the
minals. memory PCB. Repair or replace if neces-
sary.
Defective main Replace the main PCB or scanner network
PCB or scanner board and check for correct operation.
network board.
Poor contact in Check the connection of connector CN44
the connector ter- on the main PCB and the connector on the
minals. memory PCB. Repair or replace if neces-
sary.
Defective main Replace the main PCB or fax board and
PCB or fax board. check for correct operation.
Poor contact in Check the connection of connectors CN3
the connector ter- on the main PCB and the connector on the
minals. deck main PCB/desk main PCB, and the
continuity across the connector terminals.
Repair or replace if necessary.
Defective main Replace the main PCB and check for cor-
PCB. rect operation.
Defective deck Replace the deck main PCB/desk main
main PCB/desk PCB and check for correct operation.
main PCB.
Remarks
*: Optional