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Microwave went crazy and shut down, decided to replace but before i did i replugged it in and now it works. did it reset itself or is it temporary? model g.e. 1540 9 yrs old

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It could have been a glitch caused by a line surge, which you cleared by resetting it by unplugging it. That's not uncommon.

It may have a bad connection or a bad magnetron causing interference.

As long as it's working okay, I would keep it in service.

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

Posted on Sep 01, 2008

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The microwave shut off by itself. Is there an auto shut off? I ask because I was reheating some squash and the microwave shut off. No lights nothing. Sugestions?

Check it after 2 hrs .By repluging it.
If you use microwave alot then it might get too hot,So just try it.
Otherwise give some more detail to me to trouble shoot it.

Sep 11, 2011 | Jenn-Air Microwave Ovens

1 Answer

GE Spacemaker XL 1800 Microwave. After removing heated food, I closed the door and the microwave sounded like it was powering up again. However, no internal light came on as it does when the unit is...

Be sure to keep this oven unplugged or the door open until it is fixed. If it runs by itself, this is a fire hazard.

First listen carefully for a buzzing sound behind the control panel when the door is shut.

If it's present, chances are you have a failing capacitor on the control panel assembly, which can be repaired for $39.95 in most cases. Details are here.

If that or a louder buzzing is only present when you have the door closed, then the oven is cooking when it's not supposed to, but the cooling fan is not on, and it is overheating and tripping the breaker.

That would be due to a shorted cook relay on the control board. That can also be repaired with our $39.95 service.

The odd characters on the display concern me separately. This could mean you have a noisy or otherwise failing magnetron.

If the display is fine when you're cooking properly with it, then the magnetron is probably okay.

At our Web site, we have a video available showing how to remove a typical over the range control panel assembly in under 5 minutes.

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


Apr 28, 2011 | Microwave Ovens

2 Answers

Sunbeam microwave model SGB8901 will not stop running.....

I had the same problem, but didn't have the box anymore. The store let me exchange it for another one but that one is doing the same thing too.

May 24, 2010 | Microwave Ovens

1 Answer

My microwave overheats after about a minute of use. It shuts off and takes about 5 mins to reset. Is there a simple fix for this without replacing the unit?

The most likely cause of overheating is the magnetron tube, which generates the microwaves. As it ages (or simply due to early failure) its power falls, it works harder and gets too hot, and a safety thermostat attached to it shuts the oven down. Then, as you've noticed, the oven comes back on when the thermostat resets.

It's possible the thermostat itself is bad and opening too early, but this is seldom the case. The magnetron can be replaced, but it's generally not worth the cost of repair. It's an expensive part, and with labor charges you'll spend close to what a new oven costs. (This is why I'm not in the service business any more. Can't make money fixing cheap appliances!)

If you want to keep this oven, take it to a shop for a diagnosis and estimate. Then let price be your guide. I don't recommend trying to fix this yourself. Even though it's not a difficult repair, there are lethal voltages under the cover and microwave leakage can result from improper repair. Leave the service to professionals.

Hope this helps you decide what to do. Thanks for using Fixya!

Feb 12, 2010 | Magic Chef MCD1311ST Microwave Oven

4 Answers

Microwave shut-off within 2-3 minutes

Why don't you return it? I think this is a common problem. We returned ours to Home Depot with no questions asked.

Nov 12, 2008 | Magic Chef CMV1000B Microwave Oven

1 Answer

Emerson Microwave

Did you unplug it for several minutes and them plug it back in?

If that dosn't resolve your problem, it sounds to me like the microprocessor controller board has failed and will need to be replaced.

Please let me know if I can be of further assistance to you.

Good luck!
- Jim

Feb 13, 2008 | Microwave Ovens

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