Question about Whirlpool GH7155XHS Microwave Oven

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Microwave will not cook

Timer and fan turn on but the turntable and microwave do not engage

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Re: Microwave will not cook - Whirlpool GH7155XHS Microwave Oven Microwave Ovens

Your magnatron is bad

Posted on Jan 22, 2008

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Microwave timer works but will motor will not run/cook.

If everything works on the unit, but you do not receive any heat or possibly the turntable does not turn you have a faulty magnetron (controls heat) and a faulty motor (controls turntable). You would require service on the unit, if parts are available. Some microwaves are so small in cubic foot size, that manufacturer's do not have parts available for purchase/repairs.

Dec 24, 2012 | Frigidaire FMV156DC Microwave Oven

1 Answer

Kenmore microwave 721 modeldoes not turn on and cook

A key clue is if it has a turntable does it turn? If not the issue may be with a safety switch the door engages.

Oct 17, 2012 | Microwave Ovens

1 Answer

Mbbs 01 thermador micro oven: timer counts down, lights go on, but no heat, no fan and turntable does not turn. is it a fuse?

Key clue is table does not move---All microwaves with a table have a lever switch that is engaged when door closes--only can get at from inside the unit----it prevents the unit from operation if door not closed.

What happens from closing door a lot is the switch with a lever arm can come loose or even if snapped into a plastic holder break out of the holder.

IF this it is not too expensive a repair.

Jun 16, 2012 | Thermador MBBS Microwave Oven

1 Answer

Frigidaire model cfmv156fmc allows programming, lights work but when hitting go wont turn on yet timer is counting down.

If the inside light comes on when you try to cook, but the turntable and internal cooling fan do NOT, then that's a bad bottom door switch or that switch's mount.

See this helpful text file.

If the inside light, turntable, and internal cooling fan DO all come on when you try to cook, but it does not cook, then you have a bad relay or connection on the control circuit board, which we can repair for $39.95. Details here.

We have the service manual and have uploaded it to our site here to help you.

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

Jan 11, 2011 | Frigidaire Microwave Microwave Oven

2 Answers

Microwave seems to run, but won't heat.

We have a similar problem! It sounds like a problem with the microswitch inside the unit that the door is suppose to engage when closed. If not engaged properly, it will not cook. We had the switch replaced last March but it has started acting up again. We can press in on the door and/or lift it slightly and it will cook. Try putting time on the counter and hit start. It the word "cook" appears then try moving the door slightly and see if the turntable starts turning. If not, then you may have a more serious problem. Good luck!

Oct 09, 2009 | Frigidaire FMV156DC Microwave Oven

1 Answer

Cooking doesnt start


Generic advice follows.

Do you open the door while the machine is cooking? Do it a lot? For a long time (months)? Check your door safety interlock switches. The microswitches can not stand that type of abuse. I have personal knowledge on this. I try not to open the door until it stops, but it is hard usually to do that!!!

If you need more help, let me know.


Sep 21, 2009 | Frigidaire FMV156DC Microwave Oven

1 Answer

My Sharp Model R-520LW microwave will not cook. The timer, light, clock all work. The turntable, fan and microwave do not.

Hi! the problem you have mentioned indicates that your microwave magnetron is not working. check for busted fuses.

Sep 15, 2009 | Sharp R-520LW Microwave Oven

1 Answer

Clock works, timer works-but turntable and other functions stoppe

you have a bad control board . this board had 2 relays one for the magntron and one for the turntable and the cooling fan together . when the turntable goes out so does the cooling fanm and the microwave overheats ...... there is no good fix for this , the control will cost more than a new microwave . please do not use with this happening . i have see them start on fire when it overheats . please be carefull good luck

Jan 15, 2009 | Emerson MW8108P Microwave Oven

1 Answer

Microwave turntable won't turn

You may have a tunrtable motor or spindle problem..
This info is from GE website..( link :

To minimize the possibility of electric shock, unplug this appliance from the power supply before attempting any maintenance or cleaning.
  • Make sure the turntable is centered and seated properly. On models with a stirrer motor there is a shaft protruding up through the floor of the microwave. Make sure the turntable is securely fastened to this shaft. On models that turn on a ring with wheels attached, make sure the turntable is seated securely on the ring.
  • Check the turntable to make sure it is placed right side up. If the turntable plate is upside down it will drag on the floor of the microwave.
  • Check to make sure that there is no food or debris under the "wheels" of the turntable ring. Food can prevent the wheels from moving forward.
  • Be certain you are pressing a cook function rather than a timer function.
  • If the microwave has a turntable on/off feature make sure the turntable was not inadvertently turned off. Try depressing the turntable on/off pad to re-engage the turntable.

Sep 21, 2008 | GE JVM1850 1000 Watts Microwave Oven

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