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Noise of microwave exhaust fan

I have a new above the cook-top microwave (GE Model JVM1540) which is vented to the outside through a top exhaust vertical duct. The exhaust fan is loud and there is practically no difference in the noise produced by the high and low exhaust speeds. I have wrapped the duct with insulation in an unsuccessful attempt to lower the noise of the fan. Is there anything else I can do to lower the noise produced by the exhaust fan?

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  • Skydiva Apr 02, 2008

    I have the same model and problem. Also, when you turn the vent on it barely sucks any of the steam, most of it goes straight up the face of the microwave and cabinets. I would be happy just to get the fan to work better and deal with the noise at this point.

  • Anonymous Oct 29, 2008

    Same problem with Frigidaire Pro Series microwave - very loud fan and doesn't seem to do anything.  Ours is not vented outside - just filtered.

  • rowley572 Apr 27, 2009

    I have a GE JVM 1650 over the stove microwave. It is vented straight out. Yesterday when we were cooking the vent fan started making a strange loud noise and we noticed the exhaust was coming from behind the microwave where the external exhaust opening is located but in the closed position. The noise is definitely coming from the exhaust fan.

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You can remove the exhaust turbine unit with one screw and reinstall microwave and buy a braun external exhaust unit that fits over the hole where it is at the roof or wall and all of the noise will be outside and it will actually work. It is weather proof and will **** steam or fumes out like the best vacuum cleaner.

Posted on May 25, 2009

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There is a flimsy back draft flap that opens when the exhaust fan is turned on and can rattle at medium and high speed. If the exhaust duct has an outside wall outlet with back draft flaps, the internal flap becomes redundant and can be removed. In my opinion the flimsy flap on the microwave is a very poor and cheap design.

Posted on Jan 04, 2010

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  • Microwave Ovens Master
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The installation instructions or owner's manual may cover this issue. If you don't have them, you can download them here: http://www.geappliances.com/service_and_support/literature/

Otherwise, I would be concerned that there may be an obstruction in the duct work or filter(s) which may be making the fan work harder and struggle.

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

Posted on Mar 30, 2008

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1 Answer

How to vent exhaust outside


bea12bfe-3a65-4764-8544-5bc63391c2dc.jpg9dbdeaa6-0b81-4926-ab21-2206dc8f6420.jpg6bfcce66-f35e-4950-b5c4-5ba9eff2c34c.jpgI usually choose an outside wall if possible to vent outside. You can buy a rear vent that is superior to a dryer vent. When this isn't possible you need a rectangular duct going up through your cabinet and up through your ceiling. hopefully you have an attic or you have to switch to a 5 inch tube going sideways (above your cabinets (if there is space) to the outside wall. If it goes into an attic you have to cut through the shingles to a vent made for bathroom and or hood vents. The motor and blower assembly inside your microwave is designed to turn to be front facing, rear facing or vertical facing. Just unscrew or break out the side that you need to vent through.

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Exhaust fan direction


You can usually recongure the outlet on the vent to just vent into the room,but if you aren't going to use it,not an issue.

Dec 18, 2012 | GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

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.

Oct 10, 2010 | Frigidaire PLMV169DC Microwave Oven

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Venting of microwave - house stinks of bacon


Interesting post, because I have the same problem! I have spent the better part of today researching and taking our microwave apart (partially) to inspect the top portion re: outside vent. Everytime the microwave is on, the "active vent door" (manufacturer's term, not mine!) opens. Apparently this is normal. But it also opens when you turn on the vent fan, when cooking on the stovetop. I don't like this feature, because I think it 'overrides' the outside venting system. I double checked our outside vent to ensure that when this oven was installed, the person did in fact allow the flap to be open when the fan is on (he did). So I think what 'our' problem is, is that the microwave active vent sort of interferes with the outside vent, thus more of the cooking smell being blown into the house instead of the outdoors. I was thinking of simply disconnecting the gizmo that make the active vent door open each time you use the oven and/or vent fan option however I don't think that's a good idea as apparently the main purpose of the active vent door is to keep the electronics of the microwave oven from overheating. The more I read about this version of microwave, the less impressed I am with it. Lots of electronic issues with it. I am not fussy either with having the microwave over the cooktop. Sorry I don't have a solution for your problem but I do feel your pain!!!

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3 Answers

Samsung otr microwave vent problem


Please call Samsung's Service Division at 800-932-3837.

If they cannot help you, they should be able to give you another number to call.

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

Oct 23, 2008 | Samsung 1.8 Cu. Ft. Over-the-Range...

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Outside venting GE Profile Spacemaker XL1800


Your vent flap could be taped or it could be faulty installation not allowing the vent to open. If you take the front vent cover off, you should be able to reach in above the fan unit and gently push the vent flap up, it should move freely with no binding. If it doesn't it is taped or blocked. If it is taped, gently putting upward pressure on the flap might release the tape. If that doesn't work the vent installation is blocking the flap. You might have to remove the unit from the wall (two people to do this) or disassemble the vent duct above the microwave and rework the interface for clearance.

hope this helps,

Sep 30, 2008 | GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

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.

Aug 17, 2008 | Microwave Ovens

1 Answer

Partial venting


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.

May 28, 2008 | GE Spacemaker JVM1640SJ Microwave Oven

3 Answers

New microwave; loud fan when heating items


Since you say it's new, it should be under warranty. I would call GE (see your owner's manual) to get a local authorized service center. Then while you're on the phone with the service center, you can start it up and hold the phone close to it to demonstrate to the technician how loud it is. They should be able to tell you if it will be covered under warranty so you get it fixed free.

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