Microwave does not heat things when turned on. Everything seems to be working but food comes out as cold as when it went in. Turntable mmoves, lights work, fan works but nothing gets heated up.

Sounds like the magnetron tube has burned out so you don't get power. It's the heart of the microwave. Time to shop for another, not worth repairing.

A relay sometimes gets bad connections inside and needs replacing. The door switches turn everything on and off, likeely one of the switches is bad

Hi,

Here is a tip that will help you to figure out what is wrong with your Microwave Oven....

Basic Microwave Oven Troubleshooting Tips

heatman101

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Hi,
Here is a tip that will help you to figure out what is wrong with yourMicrowave Oven....

Microwave Oven Basic Troubleshooting Tips

heatman101

The turntable system typically consists of the motor, the coupler, the turntable support with rollers, and the tray.

Here is a video of how a turntable motor should sound when you rotate it by hand.

If yours is not set to be off via the control panel, and it won't rotate or it sounds like it's grinding, etc., you may have a bad motor or plastic coupler.

To replace either, you need to unplug power, then remove the bottom cover of the oven.

You can find links to helpful exploded view diagrams and part ordering help here.

But if you've recently had trouble with the cooktop lights, then the control board may be damaged.

We regularly repair these control units for customers nationwide by mail for $39.95 postpaid in about a week or so with a one-year guarantee.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

Yes the microwave is safe to use, without the turntable working.

maybe your magnetro is leaky

I suspect the magnetron or high voltage transformer, and either part's cost or labor would probably be about the same as the cost of a new comparable unit.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

It has a bad magnetron. This is the tube that provides the microwaves to heat the food. Not too easy to replace yourself but it can be done. Cost of magnetron is probably less than $50 or $60.

This is normal. That's why I always recommend to my customers that the food be placed slightly off-center on the turntable. An analogy I refer to is stirring paint: If you stir paint with a stick by simply rotating the stick in the center of the can, it's far less effective than pulling the stick around an imaginary circle halfway bewteen the center and the edge.