John for Model Number SMH8165ST/XAA-0000 Microwave overheated causing a Spark and Blowing the 20 Amp Fuse. Replaced 20 Amp Fuse, All Normal Display Indicators and Under ALL Turntable/Light/Vent Controls are functional. When I Depress the One Minute +, the Unit Lights Up/Turns On then Immediately Blows the 20 Amp Fuse. It will NOT Trip the Circuit Breaker. Just Blows the 20 Amp Fuse. Witch Components should I Suspect and Test for a SHORT?
Answer John, Check the door switches on the unit as they will be the most common reason for the fuse to blow. Read More... Answered by AppliancePartsPros.com | Wednesday, February 9, 2022