Question about GE Spacemaker JVM1640SJ Microwave Oven

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Oven turns on but will not heat food - GE Spacemaker JVM1640SJ Microwave Oven

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Hello there
you can hear the oven running and it sounds normal but there is no heat then there is an internal problem with the high voltage circuitry or you may have a problem with the circuit board. Changing the circuit board or the high voltage components is something that you want experienced hands to do.

Intermittent heating problems are often caused by steam making condensation of the electronic components or a loose connection in the circuitry. If it is moisture the circuitry will dry out and work after some time. If it is a loose wire then it will need to be fixed by a technician.

If your unit microwave runs but is buzzing very loudly, then you have problems with the magnetron, the high voltage capacitor, or the power diode. These components are all high voltage components and need to be treated with great care. A good technician knows how to diagnose and repair them safely.

If you observe sparking inside the microwave, turn it off immediately. This can be caused by metal inside, or can also be caused by excessive food or liquid buildup. If it causes any burn spots you will need to have then repaired or fix them to have a safe appliance.

This will give you many of the basic causes for problems in a microwave oven. As you can see there is very little that an untrained person can safely do to repair this appliance.
This can however give you some idea of what to expect if you need to call a repair technician to work on your appliance.

Posted on Jan 01, 2011

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Posted on Jan 02, 2017

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