Microwave Oven Fan Won T Shut Off

The fan on my ge microwave will not turn off and is stuck on.

Microwave oven fan won t shut off.

They are designed to interrupt the power when the door is open. But not a problem that our electricians in laurel can t fix. Units over a range or oven may automatically turn on the exhaust system when the area around the microwave becomes too hot. Repair microwave won t shut off how to fix a microwave that will not shut off.

If the high limit thermostat is defective it may keep sending voltage to the oven fan after the oven has cooled down. Was using the broiler on the stove and the fan started by itself and won t turn off. If you ve got a microwave that just won t quit even when the timer goes off you ve certainly got a bit of a problem on your hands. The door switches often referred to as interlock switches provide power to the various components of the microwave.

The high limit thermostat sends voltage to the oven fan as the oven heats up. If you are cooking on the cooktop it can sense the heat and the fan won t turn off until the thermostat cools. There is a hook or latch on the microwave door which activates the door switch located inside the cabinet. But is your microwave working a little too well.

The components that could stay on when the door is open but the door switch isn t working are the fan motor stirrer motor and interior light. A good reliable microwave can be an important part of any modern kitchen. To determine if the high limit thermostat is at fault use a multimeter to test the thermostat for continuity. The exhaust fan thermostat is usually the failed component.

On several models of microwaves the thermostat is super sensitive causing the exhaust to run longer than needed. When it senses heat it turns on the exhaust fan. If the light is off the turntable is not rotating and the display counter is done chances are it s not actually on it s just running the fan to cool down.