LG LRG3061ST Service Manual page 58

CHECKING FLOW CHART BY FAILURE
Main oven sensing error M F-1, F-2 error
STEP 2
STEP 3
Check the sensor value at step 3
Normal: the sensor value is from 65°F to 95°F at room temp
TIMER
TIMER
DELAY
DELAY
TIMED
TIMED
BAKE BROIL WARM
BAKE BROIL WARM
Normal?
TIMER
TIMER
DELAY Yes
DELAY
TIMED
TIMED
END
BAKE BROIL WARM
BAKE BROIL WARM
HR
HR
CLEAN LOCKED
CLEAN LOCKED
No
HR
HR
CLEAN LOCKED
CLEAN LOCKED
Replace the Power PCB
END
10-12
sensor value