What causes a microwave to keep running?

What causes a microwave to keep running?

If your microwave just keeps going and going until the door is opened, and the stop button is unresponsive, the most likely cause is the control board being faulty, or damaged. When this happens the microwave is not sending signals properly, and will think it just needs to keep running.

Why won’t my GE microwave fan turn off?

The exhaust fan thermostat is usually the failed component. When it senses heat it turns on the exhaust fan. If you are cooking on the cooktop, it can sense the heat and the fan won’t turn off until the thermostat cools. It is also common for this thermostat to fail causing the fan to constantly run.

Why won’t my GE microwave turn on?

The thermal fuse cuts off power to the microwave if the microwave overheats. To determine if the thermal fuse has blown, use a multimeter to test it for continuity. If the fuse does not have continuity, replace it. The thermal fuse cannot be reset—if the fuse is blown, it must be replaced.

Where is fuse on GE microwave?

Does the GE Spacemaker microwave have a fuse?

If the GE Spacemaker microwave oven stops working without warning, chances are you need to replace the fuse. The fuse works so that the filament will break if there is a power surge. Before you repair the microwave, it is important to determine the cause of the problem to prevent it from happening again.

Is it dangerous to use a rusty microwave?

You shouldn’t use a rusted microwave. You wouldn’t eat food from a rusty can, as it is inherently dangerous. Rust on the outside of the microwave isn’t an issue, unless it eats its way through to the interior cavity, which causes microwave arcing damage and allows radiation to escape the appliance.