Question about GE Spacemaker JVM1640SJ Microwave Oven
It could be a failed magnetron or, if the supply for the magnetron is fused separately (inside), it may be a blown fuse.
If you decide to have it serviced, take it to a recommended shop since, in my experience, the Chinese maggies that one gets are not nearly as powerful as the original was.
A repair shop has to know his parts source well.
Posted on Jul 07, 2008
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Mar 18, 2013 | Microwave Ovens
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
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