LG WM3988HWM Service Manual page 35

BUTTON DOESN'T WORK
Is the connector connected
to Main PWB / Display
PWB disconnected or
disassembled?
Is the button of panel stuck?
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Reconnect or
Yes Repair
the connector
No
Repair the
Yes
button
manuals search engine
No
Is the display PCB broken?
(check the buzzer sound
and LED light while push
the button.)
34
Replace the
Yes
DISPLAY
PWB
ASSEMBLY