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Fault Diagnosis And Troubleshooting - LG WD(M)-14400(5)TB Service Manual

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8-2. FAULT DIAGNOSIS AND TROUBLESHOOTING

CAUTION
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 MAIN PWB ASSEMBLY, put in the connectors correctly.
NO POWER
When measuring the voltage of the outlet,
is the voltage AC 220-240V?
Is the led (1) on?
When measuring the voltage of White (2 pin) and
Black (2 pin) connector of the PWB ASSEMBLY is
the voltage AC 220-240V?
Replace PWB ASSEMBLY
19
Check the fuse
Replace PWB ASSEMBLY
Check the harness
Assembly

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