Question about Sharp R-630D Microwave Oven

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DISPLAY OUT THE DISPLAY ON THE UNIT IS OUT AND CAN NOT OPERATE THE MICROWAVE

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  • DAVIDES May 28, 2008

    How do I do a hard reset to microwave?

  • DAVIDES May 28, 2008

    the display will scramble for 2 or 3 seconds and then it will go out

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Check the connections to the display on the microwave... make sure that nothing is burnt.. and that the ribbion cable is connected... are you able to pull the microwave apart your self? i would be more than happy to walk you thru it if you have a webcam...also make sure that all wires are tight does the micowave light come on"?

Posted on May 28, 2008

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Hello Davides, 

The problem with your microwave display is a blown or damaged fuse inside the display.

Posted on May 28, 2008

  • Santiago Vallejo
    Santiago Vallejo May 28, 2008

    There is no easy solution for your problem, it needs to be oppened up andreplace the fuse.


    You should call their main support number and ask for warranty if you still have it.
    1-800-237-4277, 1-800-BE SHARP


    Good luck,
    Dahaka

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  • Master
  • 1,142 Answers

Did you try doing a hard reset to the device

Posted on May 28, 2008

  • 3 more comments 
  • Maanita Chadha
    Maanita Chadha May 28, 2008

    unplug the unit from the power source, waiting at least a minute, then re-connecting the power cord

  • Maanita Chadha
    Maanita Chadha May 28, 2008



    ocate your fuse. Most microwave fuses
    look like the one pictured to the left. They are usually an inch or two
    long. Each end is metallic and the center is either ceramic or glass.

    To
    get to the fuse, remove the outer cabinet of the unit, which is usually
    held in place with a few screws. Once the outer cabinet is removed,
    follow the power cord into the unit. It will take you to the fuse
    holder, where the fuse sits. The fuse holder is located two or three
    inches into the unit, and may be attached to a power board.



  • Maanita Chadha
    Maanita Chadha May 28, 2008

    Decide if your fuse is blown. A blown glass fuse will produce flash
    burn marks on nearby surfaces, or it will be completely black on the
    inside. The internal fuse wire (filament) will be melted and blackened.
    Ceramic fuses give no outward signs of having blown. To determine if a
    ceramic fuse is blown, test it with an ohmmeter. If the ohmmeter reads
    zero ohms, your fuse is fine. A reading of infinite ohms means your
    fuse is blown.

  • Maanita Chadha
    Maanita Chadha May 28, 2008

    Replace the blown fuse. Pop it out of its holder and snap in a new one.
    You can squeeze the fuse clips together with your fingers in order to
    tighten their grip. Replace the unit's outer cabinet, plug it back in,
    and test to see if it is running properly. DO NOT run the microwave
    with nothing in it.

  • Maanita Chadha
    Maanita Chadha May 28, 2008

    NOTE: Fuses do not usually blow on their own. A fuse may blow
    because of problems with the interlock switches or with high voltage
    circuitry. It is also possible, though rare, that a power surge will
    cause a fuse to blow.

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