Scott Betts for Model Number SMH9151STE/XAA-0000 Microwave does not heat. Everything seems correct when you press start or 1min but does not begin heating cycle. What would the problem be?
Answer Scott, more than likely the magnetron has failed. A diode normally makes a loud noise when it has failed. There is not a safe way I can tell you as to how to check the high voltage side. I would recommend you letting a trained service tech look at it. Read More... Answered by AppliancePartsPros.com | Monday, December 24, 2018