Citizen iDP-460 User Manual download pdf (Page 8)

iDP-460 Service Manual

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When a trouble occurs, confirm its phenomenon, locate a defective part in accordance with

4.2 Troubleshooting Guide, and troubleshoot as described below.

Phenomenon: Find a trouble phenomenon in this column. If there are multiple

phenomena, take all the corresponding items into consideration.

This allows you to specify a hidden defective part.

Cause: Lists as many possible causes as possible. Guess a trouble cause out

of them and take its check method to specify the trouble cause.

Check Method: Describes a check method to specify a trouble cause.

Remedy: Troubleshoot by taking a remedy described in this column.

By troubleshooting in accordance with the above-mentioned procedure, you can troubleshoot

efficiently with fewer misjudgments.

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Phenomenon Cause Check Method Remedy

The AC adapter is not

connected.

Connect the specified

AC adapter.

Check whether any

unspecified power has

been used so far.

Use the specified AC

adapter.

No power

(POWER lamp not

illuminated)

The fuse is gone.

Check whether the

specified fuse is used.

Use the specified fuse.

The power is turned on

by disconnecting a cable

from the mechanism.

(No operation)

Replace the mechanism.

The mechanism or

control board is

defective.

The phenomenon does

not change after the

above-mentioned check.

Replace the control

board.

The fuse goes

immediately if

replaced.

The mechanism or

circuit drive power is

abnormal.

With a voltmeter,

measure a mechanism

drive voltage and circuit

drive voltage.

Replace the control

board.

* If the fuse is gone while the specified AC adapter is being used, it is likely that the mechanism or

control board is defective. Replace either defective one. Incidentally, check the wiring of the

drawer and interface cable.

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Citizen iDP-460 User Manual Page 8

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