LG LRG3091ST Service Manual page 78

CHECKING FLOW CHART BY FAILURE
Oven too hot error F-6 error
Oven is hot (F6)
Disconnect the power and main oven sensor.
Check the main oven sensor value
(measure the resistance after cooling down)
Normal: approximately 1.06 kΩ at 65F
~ 1.12 kΩ at 85F
No
Normal?
Yes
Replace the main oven sensor
Remove the Power relay PCB
harness
END
Check the bake relay damage
(measure the resistance)
Welded Normal
Continuity Infinite
10-18