Question about Magic Chef CMV1000B Microwave Oven

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Hi, I have a Magic Chef OTR microwave model MCO153UBF. There is no power in the unit at all. I would imagine there is an internal fuse/breaker. I would like to find this and would like to know how to access it. Thanks Rick

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No, there is no such thing inside it. This is because the voltages there are so great (over 5000) that even getting closer to the power source unprotected could generate an ark that would kill you instantly. Microwave ovens are the only home appliances that can kill you easily if you mess with them.
In your case the power source has failed and that should either be left to a pro, who has the special equipment needed to test and repair it, or just junk it and get a new one.
Remember, your life is worth more than a few hundred bucks.

Posted on Oct 16, 2010

  • NJMikeM Nov 08, 2010

    There actually is a fuse located on the circuit control board. This is accessible by first unplugging the oven from the wall receptacle. You can then remove the finned plate located in the front face of the unit above the door. Two screws on top are holding that in place. Once removed, locate a metal plate on your right hand side above the touchpad section. Remove this and set aside. Within this metal-encased area you will see, to the top, front, left, a circuit board with a fuse. READ ENTIRE MESSAGE BEFORE PROCEEDING! Carefully remove fuse and verify. This particular microwave model has a capacitor featuring a bleed resistor which should take care of any stored electrical energy once the unit has been unplugged. Use a voltage meter/tester to verify before beginning. HOWEVER: ALL SAFETIES MAY FAIL AT ONE TIME OR ANOTHER SO ALWAYS TREAT ELECTRICAL COMPONENTS AS IF THEY ARE LIVE. If you have a doubt, just throw the whole thing out.



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