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Troubleshooting Else - LG WM2650H*A Service Manual

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8-5. TROUBLESHOOTING ELSE

CAUTION
1. Be careful of electric shock if disconnecting parts while troubleshooting.
2. First of all, check the connection of each electrical terminal with the wiring diagram.
3. If you replace the MAIN PWB ASSEMBLY, reinsert the connectors correctly.
NO POWER
Is the supplied voltage
120V AC?(+10%, -15%)
Yes
Is the current rating of
multi-outlet power strip
enough?
(Avoid connecting several
electric devices.)
Yes
Is the connector connected
to PCB/Noise filter
disconnected or
disassembled?
Yes
Check the
fuse or reset
No
the circuit
breaker.
Alternate with
No
explanation.
Reconnect
or repair
No
the connector.
30
Is LED on while the power
is on?
Yes
Is five pin wire of
display PWB broken?
Display PWB
Connecting connector
MAIN PWB~ Display PWB
Replace the
No
MAIN PWB
ASSEMBLY.
Replace the
No
DISPLAY
PWB
ASSEMBLY.

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Wm2650h series