Question about GE JVM2050 Microwave Oven

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GE Mircowave JES2251SJ -

After operating for about 10 minutes the unit stops heating. It gets very hot. After cooling off it will operate normal for another 10 minutes.
Is there a cooling fan and where is it located?

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The internal magnetron cooling fan is located behind the control panel assembly.

When I say internal cooling fan, I do not mean the hood vent exhaust fan which you can turn on and off manually.


I'm instead talking about the internal fan which comes on automatically whenever you microwave.

It is vital that the cooling fan runs, or the magnetron will be destroyed.

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.

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

There should also be a "mini-manual" hidden inside the unit behind the control panel or hidden on the left side behind the grille, which is very helpful when troubleshooting & testing.

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

Posted on Dec 02, 2008

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It could be due to a failed or unpowered cooling fan motor. Have your cooktop lights gone out recently?

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I repair boards in such cases.

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You can download GE owner's manuals and installation instructions here.

You can find helpful exploded view diagrams and order parts by entering your full model number from the tag on the oven here.

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Hi there!
This may be temperature related. The microwave is fitted with thermal switches which opens when it gets too hot. this bypassing all current running to the point of operation. Normally there is a switch mounted on the magnetron( the item which heats the food). If this runs too hot it will cause the switch to open. If left off for a while it will reset under normal temperature. This I think is your problem. However it will have to be seen to by a repairer. Hope this helps you in your decision. Best Wishes and Good Luck. JUS004

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It sounds like your magnetron is failing, but generally, the most common causes of a failure to heat are:

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If you or someone you know decide to look into it, we have critical safety information, info on door switch diagnosis and replacement, and disassembly information at our site, and our link is at our listing here on FixYa: http://tinyurl.com/yzjozk

You can usually find helpful exploded view diagrams and order parts by entering your full model number here: http://tinyurl.com/gv383

There should also be a "mini-manual" hidden inside the unit behind the control panel, which is very helpful when troubleshooting.

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

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