It was working fine for 2 months. After that, suddenly was turned off and never more worked. I took out the ceramic fuse from inside, but i don't know where i can buy a replacement. I can read on it: 250V75A Is it right? 75A? Thank you for your help.
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You shouldn't be working on, or inside a microwave oven. They are not a consumer repair job due to the debilitating effects of microwave energy, the high voltages inside the capacitor, and the highly poisonous core to the magnetron.
Fuses blow for a reason, you have to find the reason before replacing the fuse. Unless you are an electrical engineer, take it to an authorised repair centre, or just buy a new one.
It could be a ceramic fuse that is usually located inside the microwave, you need to remove the cabinet. You will see it place there on top (usually) or it could be under a cover there. Be sure to replace this with a like fuse, nothing too small or too large. You should also be sure to use a ceramic fuse, as a glass fuse will burn out much quicker and you'll be in the same spot.
Hope this helps,
for the microwave to stop suddenly it has blown its internal fuse this is located under the top panel of the unit it should be white with two silver tips ( ceramic fuse) in some cases the fuse will blow for no good reason on the other hand it can be a serious fault the fastest way to check this is to replace the fuse and re test the unit if the fuse blows instantly then bin the microwave if not it the fuse may have simply failed
best of luck always remember unplug the unit first and always replace with same size and and current fuse
Inside the unit behind the control pannel is a ceramic fuse looks like a car glass type fuse. To replace it you must remove the outer shell. First unplug the device,2nd
place on a flat work area,3rd remove the screws from the back of the unit,4th pull the outer shell back if it's stock a flathead screwdriver can be used to aid in removal,5th after removal look behinde the control pannel find the main power wires by following them from the back of the unit the fuse will be about 1" long and about as big around as a #2 pencil remove it carefully and replace it with a new ceramic fuse. The fuses are about $3.00
If you don't feel comfortable doing this yourself find a repair shop it will cost about $35 dollars
Hope this helps
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Your in luck. With nothing working it's your fuse (20 amp). If the light was still working or anything else, it most likely would not be worth repairing. The fuse looks like one of the old round car fuses but it is not. It's a special 20 amp fuse made for micro waves out of ceramic. You can order them over the internet. One site is www.partselect.com. This is a part number for one that cost $3.84 PS2163369. You can use this number or if you can find you model number and enter it on the site. You can buy it with a credit card from them
I have a Sharp Carousel that got zapped once during a thunderstorm. Since it was dead, I opened it up to see what I could salvage. Turned out there is a main fuse inside, it is a ceramic cylinder with metal ends, like the old glass car fuses but ceramic instead. Bought a replacement from Digi-Key and it has worked fine ever since.
I had one that got zapped during a thunderstorm. Deep inside there was a ceramic fuse, looked like the old glass kind in cars except it was ceramic. Bought a replacement through Digi-key, it's worked fine ever since. Point is, there may be a separate 'main fuse' that you can't get to without opening it up.
I bought my emerson microwave 3 years ago model# mw8115ss from walmart and have had all the problems that everyone has talked about and I thought about throwing it away until I thought about one small detail, the FUSE. China uses junky glass fuses that burst instantly with a slight power outage, door slamming to hard, moving it around, and of course constant use like myself always heating up water for bottles. I took the back of the microwave off and walla!!! a blown fuse, but wait!!! dont buy another glass fuse!!! go to your local home depot and get the ceramic fuse for microwave ovens!!! they are $2.83 at my local home depot. I replaced the junky glass fuse with the ceramic one and it has worked perfectly for six months now.
DONT let someone tell you that you cant replace a glass fuse with a ceramic one because they are full of boloney. My microwave did all kinds of things, it wouldnt turn sometimes, it would come on by itself, it would beep for no reason, turn but not heat up, you name it I had the problem. When a fuse starts to go out it can make your appliances do some strange things, check the fuse and replace it with a CERAMIC one and I promise it should eliminate your problem.