Utax CD 1015 Service Manual download pdf (Page 111)

2HA/2HB

1-4-15

1-4-2 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 Contents

Remarks

Causes Check procedures/corrective measures

C0100 Backup memory read/write problem

(main PWB)

Read and write data does not match.

Defective main

PWB.

Replace the main PWB and check for cor-

rect operation.

C0110 Backup memory data problem (main

PWB)

Data in the specified area of the backup

memory does not match the specified

values.

Problem with the

backup memory

data.

Turn safety switch off and back on and run

maintenance item U020 to set the contents

of the backup memory data again.

Defective backup

RAM.

If the C0110 is displayed after re-setting the

backup memory contents, replace the main

PWB.

C0150 Backup memory read/write problem

(engine PWB)

Read and write data does not match.

Defective engine

PWB.

Replace the engine PWB and check for cor-

rect operation.

C0160 Backup memory data problem (engine

PWB)

Data in the specified area of the backup

memory does not match the specified

values.

Problem with the

backup memory

data.

Turn safety switch off and back on and run

maintenance item U020 to set the contents

of the backup memory data again.

Defective backup

RAM.

If the C0160 is displayed after re-setting the

backup memory contents, replace the

engine PWB.

C0170 Accounting count problem

When the power is turned on, the total

count and the scan count are abnormal

both on the main PWB and the engine

PWB.

Defective main

PWB or engine

PWB.

Replace the main PWB or engine PWB and

check for correct operation.

C0180 Machine number mismatch

When the power is turned on, the

machine number does not match

between the main PWB and the engine

PWB.

Data damage of

EEPROM.

Contact the Service Administrative Division.

C0210 Communication problem between the

main PWB and engine board PWB

When the power is turned on, the

machine does not detect the low level of

SBSY and the high level of SDIR for 10

seconds.

Poor contact in the

connector termi-

nals.

Check the connection of connectors YC6 on

the main PWB and YC1 on the engine PWB,

and the continuity across the connector ter-

minals. Repair or replace if necessary.

Defective main

PWB or engine

PWB.

Replace the main PWB or engine PWB and

check for correct operation.

C0240 Optional printer board PWB commu-

nication problem

The printer board PWB does not

respond 120 s after the power is turned

on.

Poor contact in the

connector termi-

nals.

Check the connection of connector. Repair

or replace if necessary.

Defective main

PWB or printer

board PWB.

Replace the main PWB or printer board

PWB and check for correct operation.

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Utax CD 1015 Service Manual Page 111

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