LG LSSG3016ST Service Manual page 76

CHECKING FLOW CHART BY FAILURE
3
Is the Connector disconnected
or loose?
(Check all connectors and
harnesses that are associated with the convection
fan.)
Reconnect. If defective harness, replace or fix.
If the same phenomenon occurs even though after
fixed connection, you should replace the Main
PCB
No Replace the
Main PCB
Yes
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