How to Fix a Microwave

Repairing your microwave might seem like a difficult task, but more than 80% of our customers rate these repairs as “easy” or “really easy.” On average these repairs should take less than 15 minutes to complete. We break microwave repair down by common symptoms, like your touchpad is not responding, your microwave is noisy, your tray will not turn, or your door is stuck. This step-by-step guide teaches you how to troubleshoot. You will learn what parts are at fault, and how to test, fix, or replace them.

Common Broken Microwave Symptoms

Reported By

Touchpad does not respond

Determine why the touchpad in your microwave will not work. Learn to inspect the membrane switch, and the control board.

45% of customers

Unusual noise

When your microwave starts making loud and unusual noises it can mean any number of things. Learn to check the drive motor, magnetron, drive coupler, roller guide, high voltage diode, and cooling fan.

33% of customers

Doesn’t shut off

Repair a microwave that will not shut off. Learn to inspect the door interlock switch, and the smart board.

11% of customers

No heat

If your microwave is not heating you need to inspect the high voltage diode, the door switch, and the magnetron. Learn to test these parts and repair your microwave.

9% of customers

Won’t turn on

Figure out why your microwave will not turn on. Learn how to inspect the door switch, ceramic fuse, thermal fuse, and door latch assembly.

2% of customers

Tray won’t turn

When the tray in your microwave will not turn there might be a problem with drive motor, coupler, or roller guide.

2% of customers

Door not closing properly

If the door of your microwave won't close you cannot use the appliance, it will not start. If you are having issues with the door on your microwave we recommend inspecting the door latch assembly, and the torsion springs.

2% of customers

Door stuck closed

You might have an issue with the door latch lever or button if your microwave will not open. Find out how to test and replace the latch assembly on your microwave.

2% of customers

Exhaust fan not working

Repair a microwave exhaust fan that has stopped working. It could be as simple as changing out the charcoal filter or grease filter. Learn how to inspect these parts and more.

2% of customers

Other / No symptom

Sparking: If you notice your microwave is creating sparks while running you need to inspect the internal cavity, high voltage diode, and the stirrer assembly. Learn to test these parts and repair your microwave.

1% of customers