Fan will not stop

Vent Fan runs any time Door is Closed. Suspect Vent/Motor Triac and associated circuit. TAC201 Triac 3560; RY209 Relay G5T-1A-AS1; PT201 Photo Coupler TLP560J. All of these parts are loated on the Printed Circuit board which is easly accessable.

Also suspect Temperature "Sensor" but need a part number. Sensor is located inside main cabinet. Am hoping that problem is on main circuit board so that I do not have to remove Microwave from above stove.

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I neglected to give the model number; Sears/Kenmore 592-85600-0