Read LG WD-80160N / WD-80160NU / WD-80160SU Service Manual online
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
NO
NO
YES
YES
YES
NO
NO
YES
PWB ASSEMBLY
Check the fuse
Check the harness
Assembly.
Assembly.
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.
NO POWER
Cancle the
Child-Lock by
pressing both [Temp.]
and [Option]
simultaneously for 3
seconds.
Child-Lock by
pressing both [Temp.]
and [Option]
simultaneously for 3
seconds.
Normal
Does the Child-Lock is set?
First, unplug the power cord and plug again.
Check the buttons are operable.
Check the buttons are operable.
Visit to check
ALL BUTTONS ARE INOPERABLE EXCEPT POWER BUTTON
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