Question about Magic Chef CMV1000B Microwave Oven
If all controls on the panel work fine but the microwave does not heat, then either you have a defective door switch,the smartboard is defective, or you have a defective magnatron.Most likely one of those three.
Posted on Nov 07, 2007
Unplug it, plug it back in. Worked for my GE Spacemaker.
Posted on Jan 28, 2009
Buy a toaster oven
Posted on May 04, 2008
Hire an electrician or get a new microwave and recycle the old one.
Posted on Apr 16, 2008
Our microwave quit heating until we cleaned the inside, so I would check to see if it is very dirty inside and try cleaning it then try it again before anything else...
Posted on Nov 22, 2007
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Posted on Jan 02, 2017
Tips for a great answer:
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Investigate these three areas if your microwave won't heat but you hear a loud buzzing or humming noise:
A diode is an electronic component that readily
passes current in one direction only and blocks the flow of current in
the opposing direction. If your microwave's diode has become defective,
your microwave will not heat and you will hear a buzzing noise. Test the
diode to determine if this is the cause of your problem. Replace it if
it is defective.
A capacitor is an electrical device which stores
electricity. A defective capacitor may be why your microwave is not
heating but you are hearing a buzzing or humming noise. The capacitor
will have to be tested to determine if this is the cause of your
problem. A defective capacitor will have to be replaced before your
microwave will work again. Make sure you discharge the capacitor before you test it, though.
A defective magnetron is the third possible cause of
why your microwave is not heating, but you can hear a buzzing noise.
Test your microwave's magnetron. Replace it if it is defective.
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