Question about Sharp Microwave Ovens
Posted by Anonymous on
If the display does light up but it wont turn on,
Broken door switch, broken in the Open position.
But if there is no display at all (no clock, for example) then look at the power supply chain (including the fuse)
Posted on Nov 13, 2019
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Posted on Jan 02, 2017
I too believe that a "protection fuse" was possibly blown. It would need to be found and get replaced. Hopefully it is just a fuse and nothing else because the way it sounds to me, the microwave may be damaged.
Posted on Jun 11, 2009
Amanda, If yours is newer construction (less than 40 years) the microwave is likely to have it's own circuit breaker in the electrical panel (in the garage or basement?) so no other lights or outlets might have gone out. I have never seen a microwave that had it's own user-replaceable fuse or circuit breaker.
Posted on Feb 10, 2010
If the 20A fuse is blowing, it is often the high voltage transformer or magnetron. If this is the case, and the microwave is not under warranty, replace it. Residential microwaves are generally considered disposable. Parts and labor are just too expensive. A magntron or transformer can cost more that half the cost of a new microwave.
Posted on Feb 25, 2010
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Is this unit 'brand new'??
Call Sharp Electronics @ 800-BE-SHARP. If you received it this way, it may be shipping damage. Contact the seller.
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Dead appliance, power on wall outlet.
SAFETY IS PARAMOUNT!
this only if you are competent.
your appliance has absolutely no functions at all, remove it from the
mains supply, remove the case and see where the mains lead goes in to
the appliance and follow the cable until you find the main fuse.
ONLY USE THE SAME TYPE AND RATING OF FUSE TO REPLACE IT.
The usual cause of this fuse failure is the door switches are contaminated or sticking. Check the door switches before putting power back on to the appliance.
Hope this helps.
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