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Microwave does not heat, how can I fix?

HI, Powerpoint PP900INT Seems to be working fine, but does not heat the contents. About 7 years old. Tried leaving it unplugged for a day! Since it is integrated into the kitchen, I woul rather not replace it. Since I am broke, I would rather not replace it. Since I was an engineer, there may be something I could do, so having a look online for similar experiences. Regards Robert

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

MicrowaveSvc
  • 9047 Answers

SOURCE: Cannot heat

Sounds like it overheated, tripped the thermostat, then the thermostat reset. Chances are you have a bad magnetron. GE may have a campaign (not a "recall", mind you!) to offer free replacements if yours is a model that has a known history of problems with the magnetrons. I would call GE and ask them about that. *grin* GE Answer Center 1-800-626-2005 24 hours a day, 365 days a year

Posted on Dec 14, 2006

MicrowaveSvc
  • 9047 Answers

SOURCE: Microwave stopped heating!

.
This may have already been dealt with, but others can benefit from an accurate, thoughtful reply to this problem.

Concerning the problem Guest is having with the fan coming on when the door is open.

This is usually caused by either a bad door switch, a loose door switch mount, or a problem on the control panel.

Even though a door switch clicks, it may still be bad inside.

If you or a friend decide to look into it, we have critical information on safety, disassembly and door switches at our site, linked here on Fixya: http://tinyurl.com/yzjozk

Concerning the original problem of no heating:

Generally, the most common causes of a failure to heat are:

- bad door switches or door switch mounts
- loose connection at the magnetron
- problem or loose conneciton on the control unit circuit board
- bad magnetron or other high voltage part

If you or a friend decide to look into it, we have critical safety information, info on door switch diagnosis and replacement, and
disassembly information at our site, linked here on Fixya: http://tinyurl.com/yzjozk

Posted on Nov 26, 2007

  • 1 Answer

SOURCE: Microwave troubleshooting...

My GE spacesaver microwave all of a sudden stopped heating up things. The lights, fan, turntable, etc. work, but nothing is heating up. Any suggestions?

Posted on Dec 26, 2008

EwingElect
  • 276 Answers

SOURCE: GE Microwave won't heat or cook - one year old

More than likely the magnetron has failed. This could be for a number of reason. Do you use your microwave to heat wheat packs or warm plates? If so, you may have dried the magnetron out (they use the moisture in whatever you're cooking to heat it, and plates/wheat bags have no moisture).

I'd say a trip to your local Microwave repairer could be in order. It could also be the High Voltage Fuse which has failed. Either way a repairer will be able to tell you!

Posted on Mar 25, 2009

garing
  • 998 Answers

SOURCE: Microwave Totally stopped - nothing turns on HELP Needed

check fuse

Posted on Aug 08, 2009

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1 Answer

It's heating but not cooking food can it b fixed?


If you mean it's running, but not heating food, then the problem is most likely in the high voltage circuit, or whatever powers it (typically a relay). The most common item to fail is the high voltage rectifier. If it's more tha 7 years old, or has been used frequently to heat low water content items (popcorn), then a defective magnetron could also be the problem.

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Hi,


Here is a tip that will help you to figure out what is wrong with your Microwave Oven....

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http://www.fixya.com/support/r5508031-microwave_oven_basic_troubleshooting

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Re: microwave does not heat


Is very unlikely that there could be any other electrical failure since everything else seems to be working.
If you are able to fix it yourself then is way more cheaper just to buy the magnetron.
Click here to find the magnetron.
Before you do any work on this device, please click here to know how to discharge the high voltage capacitor and other safety concerns when working with devices that generate high voltages.
I would say is not worth it to spend more then $100.00 for a 5+ years old microwave.
Good Luck.

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