LG WD(M)-80130F - Manual (Page 20)

20
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
NO
NO
YES
YES
PWB ASSEMBLY
1
NO
NO
YES
YES
Check the fuse?
Check the harness
Assembly.
Cancle the
Child-Lock by
pressing [Temp.] and
[Option]
simultaneously for 3
seconds.
Normal
When measuring the voltage of the outlet,
is the voltage AC 220-240V?
When measuring the voltage of White(3pin)
connector of the PWB assy, is the voltage
AC 220-240V?
Replace PWB assembly.
Does the Child-Lock is set?
First, unplug the power cord and plug again.
Check the buttons are operable.
Visit to check
NO POWER
ALL BUTTONS ARE INOPERABLE EXCEPT POWER BUTTON