Question about Sharp Microwave Ovens

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Power just died on microwave

Tried turning it on, it went for about 3 seconds. I heard what sounded like a surge in power and it stopped. I checked breakers, their still good. I plugged the oven into a different outlet. It still didn't work. Any easy fix for this or do I head down to lowes? This model is 10 years old.
Thanks
Mike

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There is no real safe fix. When appliances like that go bad like that it would be best advice to just get a new one to be on the safe side. You can pull off the cover with 4 screws and look to see if anything has been fried. But again, being safe is number 1

Posted on Feb 07, 2009

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need model number and brand name,i've seen the power go out and when the power comes back on the power surge takes out the computer board or clock assy.but if she touched the panel she might have locked the board,on some models if you hold the clockbutton in for 5 seconds,some you hold the start button for 3 to 5 seconds or it has a lock button on it so if you send the model number i can check that for you,you can try unplugging it for like 15 minutes and see if that resets it or the power surge took out the board if it's not locked out

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My LG LRMP1270ST microwave oven stopped working in the morning. It just flat died when I put 2:00 minutes on the timer and pressed start I heard the pop/breaking sound. So immediately I stopped the...


The main fuse has blown in the microwave, you also have secondary problem that sounds like the magnetron has failed, but there are two other parts to consider, the high voltage capacitor and diode work in conjunction with the magnetron to heat the food. The repairs could run as high as a new microwave oven.

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We heard a "buzzing" sound and it stopped when I


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Jun 10, 2009 | Whirlpool MH3184XP Microwave Oven

1 Answer

Microwave won't work. The time is frozen, buttons dont work.


I have over 20 years experience with microwaves and over 25 with all other electronics, and I'll have to say it sounds to me also like some kind of power surge "scrambling" its "brains".

Or possibly its power is being interrupted for a fraction of a second and having the same effect.

A microwave should really be on its own circuit breaker.

Microwave ovens, refrigerators, toasters, and electric ovens are very high current devices.

There are power line (mains) surges created when they cycle on and off.

If the microwave can't be on its own breaker, then maybe you can try a power strip with a surge suppressor, or better yet, a power strip with a surge suppressor and a built-in noise filter.

Or it may be that there is a subtle bad connection on the circuit board or at the fuse holder.

These kinds of problems are difficult to diagnose, and even harder to do remotely. Especially since I'm in the US! *grin*

I would strongly suggest that if you can't cure this with a surge strip or similar, please carefully document when and how it fails, then while it is in a failed state, open the door (to keep it from starting on its own) and call Sharp customer service at 1300 13 50 22.

Or you could visit here and click on Service Centre Location search.

You should have a one year warranty, so you should get in touch with a Sharp-authorized repair center.

An over the range type will include home visits in the warranty, but not if it's a counter top model.

You'd have to take that type to the shop yourself, and of course that would mean unplugging it, which would reset it, and the repairman may never see if fail.

If you wait too long, your warranty will be expired, so I'd get in touch with the shop.

Good luck.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

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The first thing to try is a "hard reset". Unplug it from the power line for a few minutes, plug it back in, set the clock, then try again.

The manual says to turn it on or off, hold the Cancel button for 5 seconds until you hear the tones.

If you still have trouble after that, the surge may have done some damage, even though the unit has built-in surge protection.

We're happy to help and we appreciate your thoughtful rating of our answer.

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