Question about GE Microwave Ovens
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Posted on Jan 02, 2017
SOURCE: GE microwave oven
Does the turntable rotate? If everything but this works (except no heat), you probably have a bad door switch. Here's a discussion of what's involved in replacing it: http://www.fixya.com/support/t267796-kenmore_microwave_hood_combination_over
If the turntable does rotate, I'd suspect a more significant failure, such as the transformer, capacitor, or magnetron. If it's any of these, it's time to replace the unit.
Posted on Dec 11, 2007
Yes, it could be the Magnetron. If the unit is out of warranty, you can try to remove the rear cover (make sure unit is unplugged) and see if there is a blown fuse in the section that powers the Magetron. They are not too difficult to replace. MCM Electronics sells them and you can call them with your model and they can find a replacement for you will be able to see how much it will cost.
Posted on Jan 24, 2008
See this article: http://www.repairfaq.org/sam/micfaq.htm#micnhono
Under the heading "No heat but otherwise normal operation" you might beable to fix the first three items listed if you have access to a continuity tester. You would probably need a pro for other causes under this heading.
See also fuses and thermal switches in other parts of the article. __________________
Posted on Sep 30, 2009
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If it's less than one year old, it would be fully covered under warranty and I'd suggest contacting GE Customer Service here to get it fixed free.
If it's the magnetron and it's outside the 1-year labor warranty, but within the 5-year magnetron warranty, the labor to replace the magnetron would probably run about $50-75, which can instead be used toward a new oven.
If you or someone you know might want to replace the magnetron, and it's within the 5-year magnetron warranty, GE will send you one free. Call them at 888-239-6832 with your model, serial, and manufacturing date.
Some info on troubleshooting:
When you hit "Start" to microwave, do the inside light, cooling fan, and turntable all come on?
If not, then you probably just have a bad door switch or door switch mount and should see these files:
If the inside light, cooling fan, and turntable are all coming on, then the problem is in the high voltage section, and then the next questions arise:
Any unusual noises? Is it louder or quieter than usual?
We have a sound clip of what a microwave should sound like when the cooling fan and high voltage section are operating here.
A loud buzz, hum, or groan is usually a shorted high voltage rectifier diode, but a sound like gurgling into an empty coffee mug is one symptom of a failed magnetron, and yet the mag can be bad without that sound.
If there's no unusual noise, it may just be a bad connection at the magnetron.
Here are some links you or someone you know can use (in order given) for high voltage section test help, but read the safety warnings first:
(if it is NOT shorted or burned looking, it's probably fine)
(continuity can be good even though mag is bad!)
You can find links to helpful exploded view diagrams and part ordering help here.
I'd recommend that your bookmark this link to your favorites.
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
Posted on Dec 26, 2009
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