LG LDG3015SB Service Manual page 69

CHECKING FLOW CHART BY FAILURE
Oven sensing error → → F-1, F-2, F-3, F-4 error
1
No
Normal?
Yes
Disconnect the oven sensor and check the value
(measure the resistance after cooling down)
Normal:approximately 1.06 kΩ at 65°F ~ 1.12 kΩ at 85°F.
No
Normal?
Yes
Replace the oven sensor
Replace the Oven Relay
PCB (EBR71261602)
Replace the Oven SYSTEM PCB
(EBR72822702)
END
END
END
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