Kenmore Microwave Not Heating Food

If the diode burns out the magnetron won t receive enough voltage to operate preventing the microwave from heating.

Kenmore microwave not heating food. Get shopping advice from experts friends and the community. When the diode fails it is often visibly burned out. What we have heard in the past is when the microwave starts door closed and timer started it then turns on with a noise clunk and then the food is heated but now that noise no longer happens and the food is still cold. Always put safety first when dealing with electricity.

Any idea what went wrong. This high voltage powers the magnetron to heat the food. A new and better video update for the previous one where i explain how to fix your microwave that works but doesn t heat. The diode converts the a c power output of the transformer to d c doubling the voltage to nearly 5 000 volts.

A microwave that does not heat up may have a broken magnetron. Kenmore microwave model 721 80012401 it wont heat up food kenmore microwave model 721 80012401 it won t heat up food at all. I have a kenmore microwave 709 80333310 that i bought new and have used about two months. This high voltage powers the magnetron to heat the food.

If it is broken it may blow a fuse in your microwave which could lead to other components failing. How to test microwave magnetron with a multimeter. If the voltage is normal then it s time to replace the magnetron with a new one. When i push start it sounds like it working but the turntable doesn t move and it doesn t heat.

Lights timer display all work. Our microwave model 721 8965581 is not heating any food. The diode converts the a c power output of the transformer to d c doubling the voltage to nearly 5 000 volts. My kenmore microwave is not heating.

The light fan rotating table are working. When the voltage drops below 215 volts the microwave does not heat the food well enough. Quick troubleshoot and what you may need to fix video. If the diode burns out the magnetron won t receive enough voltage to operate preventing the microwave.