GE Microwave switch

Discussion in 'Electronic Repair' started by Chris, Apr 27, 2004.

  1. Chris

    Chris Guest

    Greetings,

    I am in the midst of troubleshooting a GE microwave, which appears to
    have a bad switch in the protection circuitry. The switch is marked
    VP-533A-OF. It appears that there is a hole melted in the switch and it
    will only work when partially pressed down but it opens when fully engaged.
    This results in the microwave exciter and fan not operating, but the timer
    counts down normally and the light comes on. I was curious if simply
    replacing the switch should correct the problem (or will it fail again?),
    and where I might be able to find one at a reasonable price. I am willing
    to go online or look locally (Cincinnati/Dayton/Columbus) if that is
    possible as well.

    Thanks,
    Chris
     
    Chris, Apr 27, 2004
    #1
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  2. "Chris" <> writes:

    > Greetings,
    >
    > I am in the midst of troubleshooting a GE microwave, which appears to
    > have a bad switch in the protection circuitry. The switch is marked
    > VP-533A-OF. It appears that there is a hole melted in the switch and it
    > will only work when partially pressed down but it opens when fully engaged.
    > This results in the microwave exciter and fan not operating, but the timer
    > counts down normally and the light comes on. I was curious if simply
    > replacing the switch should correct the problem (or will it fail again?),
    > and where I might be able to find one at a reasonable price. I am willing
    > to go online or look locally (Cincinnati/Dayton/Columbus) if that is
    > possible as well.


    See if there's a blown fuse to the microwave exciter. I'm guessing that
    switch is there to short across the line and blow the fuse if the
    interlocks aren't activated in the correct sequence. In your case,
    the switch may have failed first though. Is there a circuit diagram
    inside?

    --- sam | Sci.Electronics.Repair FAQ Home Page: http://www.repairfaq.org/
    Repair | Main Table of Contents: http://www.repairfaq.org/REPAIR/
    +Lasers | Sam's Laser FAQ: http://www.repairfaq.org/sam/lasersam.htm
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    Sam Goldwasser, Apr 27, 2004
    #2
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