Question about GE Spacemaker JVM1640SJ Microwave Oven
When you replace the fuse the unit comes on, but as soon as you try to heat something, it makes a loud humming and blows the fuse.
It has a short. Its likely the power $5 power diode.
It has to be checked first if its good then the mag tube may be bad.
Its likely the diode. You can test it by removing it and using a ohm meter to test it. Voltage should only flow 1 way if it flows both ways its shorted.
Posted on Jan 14, 2009
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