LG LRGL5821S Service Manual page 54

CHECKING FLOW CHART BY FAILURE
Main oven sensing error  F-1, F-2 error
Sensing Fail, F1, F2?
Unplug the unit
1
Is the Connector
disconnected or loose?
(1) Sensor connection
(2) CN10 of Main PCB
Sensor connection
CN10
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Only training and service purposes
Yes
No
10-10
Reconnect or adjust the
connection