Hi, I have a problem with a Sharp half pint microwave. I bought off Ebay- got here and plugged er in, it came on,when I set the time to run something "popped" in back now won't come on at all. Could it be a fuse? I have older recepticles and had to use an adapter so figure that's it. Caused the fuse to blow because no ground. HELP
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Re: Sharp half pint
The fuse should be located on an input line filter board INSIDE the microwave. You will need to unplug and remove the outside case to get to it. Simply follow where the power cord comes in and you should see a fuse mounted on a small circuit board somewhere. This is the line filter. The fuse should be a 20 amp appliance fuse that you can purchase at any hardware store. DO NOT attempt to re-energize the oven with the cover removed. There are dangerous voltages present in the high voltage circuit (about 13,000 - 14,000 VAC). Put the outside case back on before trying an op test. Let me know if this helps.
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see the cause and proceed according. God bless you but can not program unit, Touchpad dead If you have a stuck
key or non-responsive key, most of the time you will have to replace the
keypad for this microwave oven repair. If your keypad is connected to
your control board by a flat ribbon wire, try disconnecting it and clean
the silver contacts with an ordinary pencil eraser. After cleaning,
plug it back in and try it. If it doesn't fix it, replace the keypad
unit. Some units actually have keypad tests to confirm your diagnosis
of a bad key.If your keypad and control is the same unit, replace
that unit. Another note, unlike stove/oven keypads and controls, most
microwaves do not have error codes or tests to distinguish whether it is
truely the keypad or control. Most of the time, it is the keypad that
needs replacing, but a small percentage of the time it can be the
control. Check the tech sheet if they can point you to the right part.