Question about Electrolux Microwave Ovens

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Microwave makes a loud buzzing noise

The microwave seems to work fine, heats great, just once and a while it makes an awful buzzing sound, the sound comes off and on and doesn't happen all the time.

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The buzzing sound could be from loose laminations on the high voltage transformer, or from loose mounting screws for the transformer. This requires investigation by a qualified technician as there are lethal voltages associated with the transformer. It could also be from a loose cover. First check that all the cover screws are tight.

Posted on Mar 25, 2014

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Posted on Jan 02, 2017

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jsrock516
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SOURCE: Microwave won't heat/Makes buzzing noise.

The symptoms you are describing are typical of a magnetron that has gone bad. Continuing to attempt to use the oven in its current condition can cause further damage. So, I would recommend not using it. Microwave ovens are considered dangerous and repairs should not be attempted by anyone that is not electronic saavy. The High Voltage Network inside the oven has voltage potentials of 14,000 volts and higher. If you feel this is something you wish to attempt, the Magnetron part number is 1156751 and costs approx. $158. Keep in mind, if the magnetron has been arcing and making a burning smell you may have burned the protective coating that lines the walls of the waveguide. If the waveguide is damaged it is not repairable. I do not know if this is a replaceable item on your model microwave. Double check your warranty information and/or owner's manual. In many cases the magnetron is warranted for several years beyond the limited warranty that comes with most appliances. Post back with comments and let me know if you want me to assist you further. In addition, if you provide me with your EXACT model number (located along the door opening) I can narrow down parts a little better. I know this all sounds discouraging, but I do hope I have been able to help you.

Posted on Jan 15, 2008

MicrowaveSvc
  • 9047 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

  • 112 Answers

SOURCE: Kitchenaid builtin microwave buzzing

I would recommend changing the diodes as well. This will usually take care of the problem.

Posted on Oct 25, 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

  • 10865 Answers

SOURCE: GE JVM1650 Microwave Making Loud Noise

hello Frank. Sorry to tell you that the magnetron is going bad and making that terrible noise. Since the inside of a microwave, even unplugged has up to 2000 residual and deadly volts of electricity I recommend either calling a pro or replacing the unit.

Posted on Jul 12, 2009

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Since yours is making the loud 60hz buzz you need to replace the capacator that will likely fix the problem. A $10 fix

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