Question about GE JE1860 Microwave Oven

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Power loss then surge GE JE 1860 Microwave

The microwave periodically appears to lose power: the fan slows, light dims, and then if I "bump" it it goes back to normal. Any thoughts? The problem is very sporadic. The microwave is about 8 years old.

Any chance there could be a compromised ground somewhere, and if so where?

Robert

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Well it does appear that you have an intermittent problem. I do not think that there is a loose ground problem, but there is a thermal switch attached to the case of the magnetron that resemble the thermal switches in wall gas heaters. Like the one in wall heaters they tell the heater when to shut off and on. If that switch begins to open or is trying to open it will make it seem like your microwave wants to shut down. Of course that is just one solution which I think is the best. By the way that thermal switch only has two wires that go to it and resembles an oversized watch battery when it is out. What could cause that also is if those two wires which are connected with plugin spade terminals have become loose due to the vibration of the magnetron over the years. To cover all your bases at once, with the power off, take the cover off and reseat all the spade connectors that you can see and get to. Anything in line with that switch or with the power coming in at all can cause the same thing. Let me know if there is any other question that you have.

Posted on Feb 09, 2009

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