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Oven does not heat
END
No
Yes
Replace the Failed Valve
Check the oven sensor
(measure the resistance after cooling down)
Normal: approximately 1.06 kΩ at 65F
~ 1.12 kΩ at 85F.
NO
COM
Normal?
END
No
Yes
Replace the oven sensor
Normal?
END
END
No
Yes
Replace the main PCB
Normal?
Replace the power PCB
10-8
CHECKING FLOW CHART BY FAILURE