LG LRE3085ST - Power Failed(Dead), no Display

9-2
CHECKING FLOW CHART BY FAILURE
Is the voltage normal?
Check the AC voltage
between 1
st
pin and 3
rd
pin of
CN1.
Is the voltage 120V?
Yes
No
Yes
Plug the unit
Power Failed (Dead),
No display?
Check the button beep.
Touch the Clear button,
Can hear the beep
sound?
Change the
Main PCB
No
Go to No 4
1
2
Is the connector connected to
Main PCB disconnected or
disassembled? (CN1)
No
Unplugged the unit
Yes
Reconnect
or adjust the
connection
3
CN1
CN1