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Microwave not heating but lights and timer work? The high voltage diode converts AC to DC for the magnetron. DIY repair in 1-2 hours with basic tools.
Wife let me know the microwave was making grinding noise while I was in garage fixing her car starter, never a dull moment. Further questioning she also said it wan't heating the food. Due to being an odd sized built in $$ unit I had to have repaired. I was getting quotes in the $4-500 range for just the magnetron. I was pretty confident the magnetron was the issue and also ordered a new capacitor and diode since I was going to be in there and a lot of money ahead repairing myself. About... Read more
Microwave not heating or humming loudly? The high-voltage diode converts AC to DC for the magnetron. Repair takes 30-45 minutes with basic tools.
I replaced both the Magnetron and the high voltage diode. I now have a fully functional microwave. I received the parts on time and the quality was good. I would use appliance parts pro's again. Read more
Microwave not heating? A failed diode rectifier prevents proper power flow to the magnetron. This one-way current component is essential for heating function.
Replace capacitor and diode (still on heat) some part for model don't appear to be available Read more
Usually ships within 4 - 14 days
Microwave not heating or making buzzing noise? The diode converts AC to DC power for the magnetron. Common failure part that restores heating function.