Question about GE Microwave Ovens

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GE microwave heated food for dinner then all power to microwave ceased. Outlet still live but no lights or buttons work on microwave. Model JVM1441 WH04

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Possible causes:

  1. Door is not closed (some models).
  2. You waited to long (open and close door to wake it up).
  3. Controller is confused (pull plug for a minute or two to reset).
  4. Defective interlock switches.
  5. Faulty controller or its power supply.
  6. Touchpad or controller board contaminated by overenthusiastic cleaning.
  7. Defective/damaged touchpad.

Posted on Jun 14, 2008

  • isaac johny
    isaac johny Jun 14, 2008


    • Door is not closed - on many ovens, there will be no response to any
      buttons - even setting the clock - unless the door is securely closed.



    • You waited too long - some models (like Sharp) have a timeout. If you
      close the door but don't proceed to activate any functions with a couple
      of minutes, they will require you to open and close the door to reset their
      pathetic brains.



    • Controller is confused - a power surge or random non-reproducible action of
      the universe may have resulted in the controller's program ending up in an
      infinite loop. Pull the plug for a minute or two to reset it.



    • Defective interlock switches - this can result in the controller thinking
      the door is open and ignoring you.



    • Faulty controller or its power supply - a power surge may have damaged
      the electronics. Other than checking for bad connections and obviously
      bad power supply components, diagnosing this will be tough without a
      schematic (and possibly much more).



    • Touchpad or controller board contaminated by overenthusiastic cleaning - if
      you recently power washed the oven (or even if you only use some spray
      cleaner), some may have gotten inside and shorted out the touchpad or
      controller.



    • Defective or damage touchpad - physical abuse is not a recommended
      technique for getting a microwave oven to cooperate. If there is any
      visible damage to the touchpad - the outer film is broken - it will probably
      need to be replaced.


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  • Master
  • 1,894 Answers

The oven does not heat
that is ur point right?

Posted on Jun 14, 2008

  • dewan nafees ahmed Jun 14, 2008

    i think the process is just hanged.

    did u try a hard reset?


  • dewan nafees ahmed Jun 14, 2008

    if the hard reset cures the error
    you wont have a big problem
    but if it continues then it may be the controller.

    Dead controller

    The most common way that the controller circuitry can be harmed is by a power
    surge such as from a lightning strike. Hopefully, only components on the
    primary side of the power transformer will be affected.




    • Check the primary of the power transformer - if it is open, there may be a
      fuse/thermal fuse under its outer insulation. If not, the transformer will
      need to be replaced. There is a good chance that the surge didn't propagate
      beyond the transformer and thus the rest of the controlled should be
      unaffected.



    • In some cases, circuit board traces may have been vaporized (but repair may
      still be possible by simply jumpering across the crater). Some of these
      thin traces may be there specifically to act as fuses - and there may even
      be spares to use for just this situation!



    • Assuming that the main fuse and power transformer primary checks out, then
      check the power supply for the controller next.



    • As always, also check for bad solder connections.


    If the controller power supply is working and there is still no sign of life
    (dead display and no response to buttons) the micro controller chip or some
    other part may be bad. It could be a simple part like a capacitor or diode,
    but they would all need to be tested. At this point, a schematic of the
    controller board will be needed - often impossible to get - and replacement
    controller or even just the main chip may be nearly as expensive as a complete
    new oven.



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