The exhaust fan thermostat is usually the failed component.
Microwave oven fan won t shut off.
But not a problem that our electricians in laurel can t fix.
They are designed to interrupt the power when the door is open.
The high limit thermostat sends voltage to the oven fan as the oven heats up.
If the high limit thermostat is defective it may keep sending voltage to the oven fan after the oven has cooled down.
This is over the stove model is spacemaker xl1800.
When it senses heat it turns on the exhaust fan.
Units over a range or oven may automatically turn on the exhaust system when the area around the microwave becomes too hot.
On several models of microwaves the thermostat is super sensitive causing the exhaust to run longer than needed.
The fan on my ge microwave will not turn off and is stuck on.
Repair microwave won t shut off how to fix a microwave that will not shut off.
To determine if the high limit thermostat is at fault use a multimeter to test the thermostat for continuity.
A good reliable microwave can be an important part of any modern kitchen.
But is your microwave working a little too well.
There is a hook or latch on the microwave door which activates the door switch located inside the cabinet.
I have tried unplugging and allowing it to rest but the fan turned on as soon as i plugged it back in.
If your microwave oven doesn t appear to shut off when the door is open you may have a problem with the door switch.
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.
If you are cooking on the cooktop it can sense the heat and the fan won t turn off until the thermostat cools.
The door switches often referred to as interlock switches provide power to the various components of the microwave.