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How Does a Microwave Work? — Appliance Repair Tips

Microwave not working? Not heating or turning on? This video provides information on how a microwave works and offers troubleshooting tips to assist you in diagnosing and repair.

Here is a list of the most commonly replaced parts associated with each microwave symptom:

Microwave doesn’t heat: diode, door switch, magnetron, capacitor, thermal fuse
Microwave not working: line fuse, main control board, thermal fuse, thermoprotector
Microwave runs for a few seconds and shuts off: door switch, main control board, touchpad
Microwave turntable doesn’t turn: turntable motor, control panel, touchpad
Microwave buttons don’t work: touchpad and control

All of the information provided in this microwave troubleshooting video is applicable to the following brands: Amana, Frigidaire, GE, Kenmore, LG, Maytag, Panasonic, Samsung, Sharp, Whirlpool.

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