LG LRE30451SW Service Manual page 47

FAILURE MODE FLOW CHART
Cook-top does not heat
Remove the main PCB(002A) harness
and pull the main PCB(002A) forward from the PCB case
Inspect the main PCB(002A)
Wide pattern(Live part) blown out
No
Yes
Repairable
Normal?
by yourself?
Yes No
Repair and fix
END
Replace
the main PCB(002A)
END
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