Question about GE Advantium SCA2000B Microwave Oven

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My Advantium 220 SCA2000BBB the microwave is not heating

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When the microwave appears to be working but is not heating, the first thing I would test is a secondary interlock switch (#2 on the latch board break down diagram)
If the switch is fine then the question is: does your microwave make any unusual noise?
If it does then most likely the problem is a shorted rectifier (#9 on the magnetron and the air flow break down diagram) or a shorted magnetron tube (#1 on the magnetron and the air flow break down diagram. If there is a continuity across the rectifier terminals (using a regular meter) - it has to be replaced.
If there is a continuity between any of the magnetron tube terminals and the body of the magnetron tube - it has to be replaced.
In case if the high voltage transformer shorted out, in most cases it should produce an electrical burning smell and a smoke.

Posted on Sep 12, 2009


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