LG WD-10490N User Manual download pdf (Page 19)

8-2.FAULT DIAGNOSIS AND TROUBLESHOOTING

1. Be careful of electric shock or disconnecting the parts while troubleshooting.

2. First of all, check the connection of each part terminal with wiring diagram.

3. If you replace the PWB assembly (Main), put in the connectors correctly.

CAUTION

YES

PWB ASSEMBLY

1 2

Check the fuse

Check the harness

Assembly.

When measuring the voltage of the outlet,

is the voltage AC 220-240V?

When measuring the voltage of pin ①, ②

of the PWB assy, is the voltage AC 220-

240V?

Replace PWB assembly.

NO POWER

Cancle the

Child-Lock by

pressing [Temp.] and

[Option] Buttons

simultaneously for 3

seconds.

Normal

Does the Child-Lock is set?

First, unplug the power cord and plug again.

Check the buttons are working.

Visit to check

ALL BUTTONS ARE LOCKED EXCEPTOR FOR POWER BUTTON

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LG WD-10490N User Manual Page 19