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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
Oven not heating properly? This high voltage diode regulates power to the magnetron. Common fix for weak heating or no heat issues. Moderate DIY repair.
Usually ships within 4 - 14 days
Range power resistor regulates current to the control board. If faulty, control functions may fail. Direct replacement part for electric ranges.
Microwave not heating or making buzzing noise? The diode converts AC to DC power for the magnetron. Common failure part that restores heating function.