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Exhaust fan I have a Kenmore microwave oven mdl# 721.85032111 the fan comes on all by itself

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 43 Answers

SOURCE: 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.

Posted on Feb 03, 2008

  • 2 Answers

SOURCE: The fan on our Kenmore microwave oven is not working.

My husband took the unit off the wall looked down into the fan and found a dead mouse keeping the fan from spinning. We removed the dead mouse cleaned up the area. Turned on the oven. The fan worked perfectly. Then he rehung the microwave.
Thanks!

Posted on Aug 21, 2009

  • 92 Answers

SOURCE: GE Microwave oven vent fan not working

You are correct the fan motor is either stuck or needs replaced.

There is no way to do this without removing the entire microwave. In case your not familiar with how microwaves work, there is a capacitor that is very large inside and can hold a charge even after it is unplugged for up to 24 hours, please take action to prevent getting shocked.

Posted on Sep 11, 2009

erpaalai
  • 999 Answers

SOURCE: Kenmore Microwave Oven model #401.80082700

Sounds like a bearing is tightening up when it get heated up with use. Then after a cool down period it works normally until using it heats it up again. Eric

Posted on Sep 15, 2009

miket756
  • 2702 Answers

SOURCE: I have an overhead microwave oven/exhaust fan

thats a tipical microwave problem they just pop off like a light bulb, it could be turminal or it could be a fuse, what ever it is dont try to fix it yourself there are over 1000 volts kicking about inside the thing and 1000 volts will kill you out right, call a guy in to fix it, look at it this way,, whats your life worth in £???

Posted on Oct 22, 2009

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Please note that FixYa is not currently notifying us Experts when Clarification Requests are answered.

So please post a
NEW question, and please include your brand name and the full model number from the tag in or on the unit, as well as the answers to these questions:

Which fan is it?

The
internal cooling fan, which comes on automatically whenever the unit is microwaving?

Or the hood vent exhaust fan which you can turn on and off manually?

Or the convection fan, if it is a convection model?

When is it coming on?

Is it coming on whenever you cook on the stove top?

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Sounds like a bearing is tightening up when it get heated up with use. Then after a cool down period it works normally until using it heats it up again. Eric

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