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Phillip Negrete Posted on Jan 03, 2015
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My frigidaire microwave fan turned on by it self. Won't turn off. Blowing air above Microwave

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DavidPerich

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  • Expert 272 Answers
  • Posted on Jan 03, 2015
DavidPerich
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Is this microwave a counter top model or is it mounted above a stove in place of a vent hood?
If the latter, then there may be a wall switch somewhere you haven't noticed that controls the exhaust fan--or it might be thermostatically controlled to come on when the stove is giving off a lot of heat.
On the other hand, if it's a counter top model, then there's something wrong in the microwave's control panel.

Mike

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  • Expert 190 Answers
  • Posted on Jan 03, 2015
Mike
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Try unplugging it for a few seconds or turning off the circut breaker to it. This usually resets the unit.

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5 Related Answers

Anonymous

  • 1 Answer
  • Posted on Apr 27, 2009

SOURCE: frigidaire microwave gallery series turntable is not turning

This co. has one for $19.99

http://microwaveglasstrays.com/shop/microwave-turntable-motor-st16fe-ex73saaa3-p-214.html

I am also looking elsewhere

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Anonymous

  • 1531 Answers
  • Posted on Sep 17, 2009

SOURCE: I have a Frigidaire microwave model FMV156DBB. The

check with frigidaire for a recall on this unit other than that the main control board has to be replaced

Anonymous

  • 2 Answers
  • Posted on Dec 04, 2009

SOURCE: microwave model KHMS155LSS-3 turns self on

I had the same problem with the same model of KitchenAid Microwave. KitchenAid customer service will act like they never heard of the problem, although if you google it, you will find that this is a very common problem. Ask to be transferred to the safety department. After more than 6 months of complaining and several repair attempts (they replaced control panel and switches), KitchenAid finally gave me a full refund. This is a serious safety defect for which they have no fix. The product needs to be recalled, and I am willing to testify that KitchenAid was criminally negligent when this product finally causes a house fire and possibly serious injury or death.

Anonymous

  • 43501 Answers
  • Posted on Mar 27, 2011

SOURCE: Frigidaire microwave not heating

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

Basic Microwave Oven TroubleshootingTips

heatman101=--=-=

Anonymous

  • 2 Answers
  • Posted on Jun 30, 2011

SOURCE: Frigidaire Microwave Fan won't shut off plmv169dcd

Had the same issue, leave Microwave unplugged for 30 minutes and then plug back in. My fax stopped blowing and now fucntions 100% normal again HI/LO / OFF

Best of Luck!!! :)

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Related Questions:

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1answer

Frigidaire microwave plate won't turn

The motor for the rotator is bad. It has to be replaced.
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We have a kenmore ultra wave microwave and the fan has stopped working and now the microwave won't operate. Any suggestions?

see this causes and fix it .God bless you
Exhaust Fan Motor If the exhaust fan does not run the fan motor might be bad. Remove the fan motor from the microwave oven and see if the blades can be turned by hand. They should turn very freely, if they're stiff the fan motor will need to be replaced. The fan motor can also burn out. To test this use an Ohm meter. The motor should have continuity. If it does
Thermostat If the microwave exhaust fan is not working the thermostat might be defective. The thermostat senses the air temperature and turns on the fan as needed, if it's defective it won't turn on the fan. Watch our video on testing thermostats.

Main Control Board If the microwave exhaust fan is not working check the exhaust fan motor and wiring. If they are good the main control board might be defective.


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0helpful
1answer

Fan turned on by self, won't turn off

Hi,
The unit has a temperature sensing device that turns on the fan if it gets too hot...if it is very hot in your house it could turn this on...
If it is not overly hot then the thermistor or the main control board have gone bad and are reading an incorrect temperature...

heatman101
0helpful
1answer

The microwave doesn't seem to be bringing the air up into the vent for exhaustion outside. It's brand new.

I presume that you can hear the fan running? If so, most over the cook top microwaves have an option to vent to the outside or simply recycle through the filter and vents above the unit. If you check your manual there should be instructions on how to change this configuration to suit your situation, but it likely needs to be done before you install the microwave.
http://manuals.frigidaire.com/prodinfo_pdf/Springfield/316137234.pdf
The above manual shows how to reconfigure the microwave from recirculation (as shipped) to external exhaust setup on pages 4 - 5.
0helpful
1answer

Frigidaire microwave not heating

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

Basic Microwave Oven TroubleshootingTips

heatman101=--=-=
6helpful
2answers

Frigidaire Microwave Fan won't shut off plmv169dcd

Had the same issue, leave Microwave unplugged for 30 minutes and then plug back in. My fax stopped blowing and now fucntions 100% normal again HI/LO / OFF

Best of Luck!!! :)
1helpful
1answer

Blower motor on above stove microwave not running

The dual fan in the back is the vent / exhaust / hood fa. It will run when you turn it on, or if the stove top gets too hot.

The other fan is the magnetron cooling fan, and it will only run when you are cooking. If it is not running, your magnetron can be destroyed.

You can download GE owner's manuals and installation instructions here. That may help you a lot.

Please reply back with more details if this is not yet a FixYa...

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
1helpful
1answer

FAN!!!

Oh, it turns out the the microwave was over heated and the fan was cooling it. The fan will automatically turn on and stay on until your microwave reaches normal temp. just unplug your microwave and let it cool off. then plug it in and everything should be just fine.
0helpful
1answer

Microwave oven exhaust fan

The Intake is gentle. It is not designed to have a great pull of air from the Cook Top.

TEST: Turn Exhaust Fan ON
Hold a sheet of your printer paper up to the INTAKE GRILLE (bottom). Will the sheet of paper stay? Held up only by the suction? If it does, Air Intake is OK.
0helpful
1answer

Noise problem

Do you mean the hood / vent fan? If so, it may be failing, or there may be an obstruction in it.

Yours may have a fan-like stirrer located above the cover in the ceiling of the microwave. Is that what you mean?

Is it heating and working properly otherwise?

Please reply back so we can help further.
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