Why is my Kenmore microwave not heating up?

If the magnetron burns out, the microwave won’t heat. The magnetron is not repairable—if the magnetron is burned out, you must replace it. If the capacitor is burned out, the entire high voltage circuit will stop working properly, and the microwave won’t heat.

Why is my Kenwood microwave not heating?

If your microwave isn’t heating food, it’s likely that the magnetron in your appliance is broken. Unfortunately, a burned-out magnetron can’t be repaired, it has to be replaced. Other issues that can lead to food not being heated, includes a broken diode or a faulty door switch.

Where is the thermal fuse on a Kenmore microwave?

The fuse is located under the plastic grill at the top of the microwave. It’s held on by two screws. Once you’ve removed the screws and taken off the plastic grill, you go to the right side of the microwave and remove another screw that holds a small metal grill in place.

Why does my Kenmore microwave run but not heat up?

If your microwave runs but doesn’t heat, there are a few things you need to check out. Your Kenmore microwave might not be heating up due to several reasons. Three of the most common reasons why a microwave is not heating up are high voltage diodes, door switch, and magnetron.

How do I replace the magnetron on my Kenmore 12664f microwave?

The magnetron will be held in place with 5 or 6 screws. When you have removed them, you should slide the magnetron out of the machine and replace it. You can type your microwave model number into the search bar above this page for a Kenmore 12664F Microwave Magnetron to find out which replacement you need.

Can a broken magnetron cause a microwave to stop working?

If your magnetron is broken, that may cause your microwave to blow a fuse, in which case the entire machine won’t work. If the fuse doesn’t blow, the microwave will usually function normally but will not heat the food. Only an experienced professional technician should replace the magnetron.