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GE Microwave dead due to short - Help

Discussion in 'Troubleshooting and Repair' started by apppliance_questions, Nov 19, 2014.

  1. apppliance_questions

    apppliance_questions

    4
    0
    Nov 19, 2014
    Replaced the 250V/20A ceramic fuse, still dead. When unit is plugged in I hear a slight click but still no controller ?
     
  2. Gryd3

    Gryd3

    4,098
    875
    Jun 25, 2014
    Safe to assume your new fuse is blown?
     
  3. apppliance_questions

    apppliance_questions

    4
    0
    Nov 19, 2014
    I'll try another
     
  4. apppliance_questions

    apppliance_questions

    4
    0
    Nov 19, 2014
    Still nothing.
     
  5. apppliance_questions

    apppliance_questions

    4
    0
    Nov 19, 2014
    Before the short - I took the front vent cover off above the door and then hit the metal grate against the circuit board area which created the spark and short assumed it was just the fuse. What are my other options ?
     
  6. Gryd3

    Gryd3

    4,098
    875
    Jun 25, 2014
    The fuse popped for a reason the second time.
    Something on the board is damaged. You will need to get to the board and take a look to see if there are any obvious damaged components.
    It would be best to get a couple of nice clear pictures as well to share to see if someone has a good idea to point you in the right direction.

    Be very careful around capacitors, and unplug the unit first ;)
     
  7. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

    25,178
    2,690
    Jan 21, 2010
    Removing the door (or even a vent cover) possibly activated one of the interlocks. For safety microwave ovens generally have a series of interlocks. Opening the door often both opens the power connection as well as shorting the power connection following this switch. This requires that both interlocks are working to enable the oven.

    However, Microwave ovens are such dangerous devices that we really suggest that you place it in the round filing cabinet and buy another one.
     
    davenn and KrisBlueNZ like this.
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