Question about GE Spacemaker JVM1640SJ Microwave Oven

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Vent fan is always on whenever plug in power. Can't stop it.

Please gie me a help.

Thanks!

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  • 8,820 Answers

This is either a shorted hood TCO (thermal cutout) or a problem on the control circuit board. Either is pretty easy to fix.

You can usually find helpful exploded view diagrams and order parts by entering your full model number here.

There should be a "mini-manual" (tech sheet) hidden inside the unit behind the control panel or hidden on the left side behind the grille, which is very helpful when troubleshooting, testing, and locating components.

At our Web site, we have a video available showing how to remove a typical over the range control panel assembly in under 5 minutes.

If you think the problem is on the control panel, we repair these nationwide by mail for $39.95 postpaid in most cases in about w eek or so.

Feel free to contact me directly (and please remind me of your full model number) for more information & help.

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

William E. Miller
prototech@usa.net
http://www.microwavedisplay.com

Posted on Dec 21, 2008

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Check to see if there's a relay providing power to the fan. If there is, the contacts might be sticking in the closed position. Assuming that this is an over-the-range unit, disconnecting the vent fan completely might not be a good idea as heat/steam from foods cooking on the range would more likely damage the microwave.

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The fans on this microwave will automatically turn on when I have more than one burner on the gas range going. The fan is horrendously loud and will not allow me to shut off for 2-3 minutes regardless if I...


That's typically normal operation. The microwave has a thermostat which turns on the hood vent exhaust fan at a certain temperature to protect the controller.

Your owner's manual will cover vent fan operation.

If for some reason you don't have yours, you can download Whirlpool owner's manuals and installation instructions here.

I always recommend that you use the vent fan whenever you're cooking on the stove top to keep heat, steam, and grease out of the controls and door panels.

If - above and beyond this - the fan has a problem, that could make it excessively loud. Some are just loud though, it's hard to judge without actually hearing it.

You can contact Whirlpool customer service with your model number via that link above and ask them about the loudness. They may be able to tell by listening over the phone if it's abnormally loud.

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

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My Sharp carousal microwave model R 1482 goes on and off on its own. When cooking the steam from boiling water will set the micro off like I am pushing buttons on it.


If it's just the hood vent exhaust fan coming on, that's normal due to a temperature sensor (the hood vent exhaust TCO / thermostat).

If other functions on the microwave are coming on, then the keypad and / or controls may be shorting due to moisture and / or heat, and that needs to be addressed.

You should always run the microwave oven's hood vent exhaust fan whenever you're cooking on the stove top.

If you do, and the trouble persists, I would suspect the controls.

The service manual is at our site and we have uploaded it here to help you.

You can order any needed parts from the Sears Parts Direct Web siteimage-4235112-10659157 or Encompass here or you can call them toll-free at 866-779-5835.

Let us know if we can help you further.

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

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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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Fan will not turn off after cooking time stops


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

To allow us to help you effectively (at no charge), please post a
NEW problem to FixYa, and please include your brand name and the full model number from the tag in or on the unit, your symptoms, 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?

- Does it run all the time, or just after cooking?

- Does the inside light or turntable also remain on when they should shut off?

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

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Fan motor starts and stops intermittently


I would wonder if it's the internal cooling which comes on automatically whenever you microwave or the hood vent exhaust fan, which you can turn on and off manually.

It is vital that the cooling fan runs, or the turntable and stirrer won't work, and magnetron will soon be destroyed.

FixYa's Web site is currently not notifying us when replies to our Clarification Requests are posted, so please reply back directly with your full number from the tag on the unit so I can help you with free do-it-yourself tips or an estimate.

A full Sears/Kenmore model number has 3 digits, a dot, then 8 more digits, such as ###.########

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

William E. Miller
prototech@usa.net
http://www.microwavedisplay.com

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2 Answers

The fan will not stop running,says locked


The first thing I would suggest is a hard reset. Unplug the unit for a minute or so. Then plug it back in, set the clock and try again.

If that doesn't work, leave it unplugged for about 5 minutes.

If it's still running, is it the hood vent exhaust fan (which you can normally turn on and off manually) or the internal cooling fan (which normally comes on automatically whenever you microwave)?

NOTE: The FixYa system is not currently notifying me when folks reply to my posts, so please contact me directly with your brand, model and symptoms for more FREE help & do-it-yourself advice.

Please include this URL, too:

http://www.fixya.com/support/t2929351-fan_will_not_stop_running_says_locked

William E. Miller
prototech@usa.net
http://www.microwavedisplay.com

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 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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