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Blower motor on above stove microwave not running

I purchased a used GE above stove microwave and am adapting it to a recirculation vent, but the fan motor does not run when in operation, there is a fan running inside the Microwave and I can feel air blowing to the outside front left, does the duel fan in the back of the MV need to be running, or does it kick on as needed
ALSO I CAN NOT FIND A FILTER IN UNIT
Thanks
Bill

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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.

Posted on Aug 18, 2008

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When turning Fan on (any speed), top vent grille blowing lots of air, but not pulling air underneath


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Your microwave turning on by itself is a "self preservation feature" of the GE Profile Advantium and maybe some other models. Read the manual, When your over the range oven gets warm enough, for whatever reason the venting fan comes on until a satisfactory oven temperature is reached. You are not permitted to shut the vent fan off. Also it seems a temperature near room temp must be achieved before it shuts the fan motor off, it is very annoying. We had to return our Advantium because of fan noise. I configured the ovens vent fan to the recirculate direction because we do not have a vent duct that exits the house over our range. When the vent fan acting as the ovens cooling fan automatically turned on we would have to leave the house to hear each other talk. Too bad we really liked the oven other than that major problem. G-Man

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

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Are you sure it is the internal blower and not the VENT fan ?

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GE Microwave vent fan replacement.


The part # SMV-260UA runs just under $60 from SamsungParts, depending on which of three versions you choose. You can find them here.

And a simple Google search shows quite a few hits for "SMV-260UA" and they seem to run about $40, assuming the listings aren't bogus - as so many search results are.

I have a few "new old stock" and used vent & cooling fans here.

I would be happy to supply one whole or just the blades if you like.

Just tell me the dimensions: diameter of the shaft hole and the length and diameter of the "squirrel cage" itself and I'll see if one of mine would work.

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

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Are you running the vent fan whenever you cook on the stove top? You should.

And you should run it on high if you're having steam problems.

Otherwise, you'll need to do something like use a small counter top fan to help circulate the air better.

Please let us know if we can help further.

We're happy to help and we appreciate your thoughtful rating of our answer.

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