Question about GE Microwave Ovens
It is a very good chance the magnetron has gone out especially if it is making a low pitched hum. There could be a door switch problem but more than likely it is the magnetron.
Posted on Nov 22, 2014
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Posted on Jan 02, 2017
Generally, the most common causes of a failure to heat are:
- bad door switches or door switch mounts
- loose connection at the magnetron
- problem or loose connection on the control unit circuit board
- bad magnetron or other high voltage part (such as a shorted diode)
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
At our Web site, we now have a VIDEO available showing how to remove a typical control panel assembly in under 5 minutes.
We're happy to help and we appreciate your thoughtful rating of our answer.
William E. Miller, AS-EET
Posted on Apr 18, 2008
Everything else can work perfectly fine but if it doesn't generate microwaves to heat your food than it is not working ( you knew that anyway).. Unfortunately, and in most cases when you microwave stops working in that manner..the components at fault are either the Magnetron, Filament PS or a High Voltage Capacitor..What that means is that you are probably better off just replacing the entire appliance rather than attempting to repair it. If it is a year old or less, bring it back to where you purchased it and have them replace it.. I am sure that is not what you wanted to hear but when the cost to repair exceeds the cost to replace... it just isn't worth repairing.. Plus.. there is an element of danger associated with these kinds of repairs...
Posted on Nov 22, 2008
SOURCE: Everything works except heat
Sounds like you've had a failure in the microwave portion of the unit.
Microwave not heating problems when the timer/controller board appears to function properly, are related to the following components -
Posted on Jan 24, 2009
SOURCE: Everything works except heat
this is something you should probably call a repair technician for, due to the danger of the componentry.
Usually in ther case of this problem, even a technician will advise you to replace the unit, in the minds of cost effectiveness and safety...
Posted on Mar 21, 2009
Most likely the hi volt energy components. Usually the hi volt diode or hi volt capacitor. There is hi energy stores here so be careful or do not attempt it. A person skilled in electronics, tv repair, or microwaves can handle it . It is usually worth repairing. The other parts that could be the problem are the magnatron or the hi volt transformer; if so, you might think twice before repair (the price will be higher).Goodluck, Macgivor
Posted on Jan 16, 2010
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