Fan runs, light is on, turntable turns, but doesn't heat. Problem is intermittent (Maybe once/week or even less) but very frustrating.

quite likely your microwave is trying to prevent it self from self destruct, because if the fan is not keeping the electronics components cool enough while its running the high limit thermo will disconnect power from the heating circuit, if the fan is not working it should be replaced , that's a techs job.

I’m happy to assist further over the phone at https://www.6ya.com/expert/phillip_77d32603f8052503

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

what problem do you have mention ? attached is there a list please indicate. God bless you

No Lights or Power, Unit seems Dead The voltage to the unit is good.Lights come on, but can not program unit, Touchpad dead
Microwave Runs, but no Heat Turntable rotates, acts like it is heating but doesn't. This is the big one, many possibilities.
Microwave Runs, Heats, but turntable does not move
Microwave is arcing
Microwave Vent Hood is not working Over The Range(OTR) Models.
Microwave Stove Light not Working OTR models, light bulbs good.
Microwave overheats and keeps turning off

It is one of two things, a defective door switch, "most likely" or the keypad control board is faulty.

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

Microwave Oven Basic Troubleshooting Tips

heatman101 ][
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HI..there is a heating filament of an oven MAGNETRON..it s responsible of producing heat to the oven..possibly this is defective ..this filament must be replaced by a new one..theres no problem with the motor cos it runs the table power and light button seems working..HOPE THIS HELPS

That pop was the magnetron frying. This is a repairable problem, but feirly expensive, around $300 if you have it done by a professional.

Please rate my response if it was helpful to you.

Thanks, Repairman45.

The turntable fan and light all share the same feed, first check wiring for loose connections the problem though is most likely with the controller

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.

your magnatron needs replaced! (It may cost less for a new one then to fix this one!)