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Our Whirlpool microwave oven model: X2-20MS is still functional.it's just that everytime we place food in itand start heating the unit produces loud noise while rotating. This is not the usual sound that is normal in a running unit. what can be the problem? please advise. thank you

Posted by Anonymous on

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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jsrock516
  • 5911 Answers

SOURCE: Maytag Rangehood Microwave Loud Humming

Sounds like you just fried your magnetron. Normally when they go bad, they make a very loud noise like what you described. The smell concerns me because you may have ruined the waveguide as well. If the magnetron burns through the protective painted surface of the waveguide, the waveguide is ruined. In most microwave ovens this means replacing the entire unit because the waveguide is not replaceable. Putting a new magnetron in a damaged waveguide will result in the same arcing and eventual failure. In addition to the magnetron, the following components are part of the same high voltage network: HV Transformer HV Diode HV Capacitor Magnetron Thermal Cut-Out Any one of these components could have also been damaged. I DO NOT recommend taking any voltage measurements inside the HV network. Potentials of over 4000 volts can be reached and make it very dangerous for the do-it-yourselfer. Taking resistance readings with the unit unplugged is strongly encouraged. If you decide to pursue a repair, inspect the magnetron tip and inside of the waveguide first. If the magnetron is melted and/or there are burn marks inside the waveguide, a new microwave may be a in order. This actually may be a better option than an expensive repair. I hope you find this advice helpful.

Posted on Jul 31, 2007

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MicrowaveSvc
  • 9085 Answers

SOURCE: mircowave oven stopped working

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 18, 2007

MicrowaveSvc
  • 9085 Answers

SOURCE: Microwave makes loud noise and does not heat. Smell of light burning

Chances are you have a bad magnetron.

If it's within the magnetron portion of the warranty (usually 5-9 years) but out of the original full warranty (usually 1 year), then your manufacturer will cover the part cost, but not the cost to visit you or the labor charge to do the work.

If you or someone you know decide to look into it, we have critical safety information, info on door switch diagnosis and replacement, and disassembly information at our site, and our link is at our listing here on FixYa.

You can usually find helpful exploded view diagrams and order parts by entering your full model number here.

There should also be a "mini-manual" hidden inside the unit behind the control panel or hidden on the left side behind the grille, which is very helpful when troubleshooting & testing.

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

Posted on Jul 28, 2008

  • 18 Answers

SOURCE: Microwave not heating food and is making loud noise.

You have burned out the magnatron (heating element) which is common on GE microwaves. most service companies will charge about 200-250 to replace it

Posted on Jan 31, 2009

localwonder
  • 6784 Answers

SOURCE: My microwave oven is not heating the food

HI, you will need to replace the heating device. This device is called the Magnetron and, it will cost you about $133.00. This is a repairable issue but, you will need to call for service. I do not recommend installing this device if you are not familiar with handling this type of tech.

Posted on Jun 01, 2009

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