Question about GE JVM1650 1000 Watts Microwave Oven

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When you start the oven the microwave will make a loud noise and blow the 20 amp fuse inside the microwave. Replace the fuse and all is well until you start the oven again. The clock, fan, lights, and number pad all works ok until you start the oven. The microwave will blow the fuse. All is dead again. Thanks, John Bohannon

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  • eboh1 Sep 03, 2010

    A microwave does not have a heating element.

  • eboh1 Sep 03, 2010

    I thank you for your answer. I will try what you said Friday. By the loud noise that the microwave makes when it trys to run I think the Magnetron might be bad


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Hi. Check the heating element. Possible there is a need to replace that one. This is the source of the problem.

Posted on Sep 03, 2010

  • Angelito Rabago
    Angelito Rabago Sep 03, 2010

    Hi. I am very sorry for that. I must answered this incorrectly because i am solving another issue. My apologies. As in your case the fuse keeps on blowing, there are couple of things that you will have to do fix it:

    The problem your describing is most likely a cap problem. The
    transformers operate in saturation and therefore it's not likely to
    blow out the diode. The transformer is essentially energy limiting.

    The capacitor or diode may be bad. Discharge the capacitor as described
    earlier in the article. Test the capacitor by removing the leads and
    setting the VOM to RX100. Probe the terminals. The reading should start
    in the low ohms and increase toward infinity. Reverse the probes and
    re-test. The reading should do the same thing. If not, it's bad. To
    test the diode, disconnect the diode from both the appliance and the
    capacitor. With the VOM set to RX100, probe the wires. Then reverse the
    probes and read again. You should get infinity for one reading and low
    ohms for the other reading. If not, replace. Another cause could be a
    faulty magnetron, but due to the sensitivity of that piece, it's best
    left to a professional.

  • denhunter Oct 05, 2010

    This angelo_mic guy is an *******. He should be banned from responding on this board. He's gonna get someone killed with his joke instructions.


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