Makes a loud buzzing noise and does not get hot

Whirlpool Microwave Buzzing Loudly - ApplianceBlog

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Aug 12, 2011 - 10 posts - ‎2 authors
My Whirlpool MT4155SPS-2 microwave oven has recently started to buzz loudlywhen operated. The sound is getting louder and more frequent ...

Whirlpool making intermittent loud buzzing noise Microwave ...

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Whirlpool microwave ovens making intermittent loud buzzing noise related questions and answers. Ask your ... ...loud buzzing noise and it doesn't heat. i just tried it again and let it run for 1 minute. ... Question about Accuwave Microwave Oven.

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If your microwave buzzes loudly and produces no heat you probably have a defective power .... I have a whirlpool oven range and it's less than a year old. .... Humming sound stops when I open door to remove food, but when door is closed, ...

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Could be the magnetron or the transformer. No it is not worth repai

This sound you describe is not normal and should be checked quickly, even if it means returning the item.

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I have just replaced the magnatrton for a Kenmore microwave model # 665.606.5900 as before replacing the part there is still the buzzing sound and non-heating

I'd say you have a bad magnetron, but it will have a full one year warranty on parts and labor.

Let GE fix it for you free. GE Customer Service is online here.

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

I have a GE counter top microwave oven. When the oven starts cooking (the magnetron turns on) the oven makes a harsh buzzing noise. What is wrong and what should be done?

The noise is probably from the high-voltage transformer. When it is overloaded, the excess magnetic field it produces vibrates its wire coils. Odd that it only happens for a brief time. It is either defective itself (in which case it may go a long time) or it is getting overloaded by the magnatron/capacitor/diode on its output (in which case it will get worse shortly)
Hope Ya Fix it

If it's less than a year old, it's still under warranty. If it's just over a year old, GE will still cover parts, but you'd have to pay for labor.

Contact them at http://www.geappliances.com/service_and_support/contact/

The most likely causes are a shorted high-voltage diode or a bad magnetron.

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

You can find helpful exploded view diagrams and order parts by entering your full model number here: http://tinyurl.com/gv383

When there's a loud buzz like that, it does not heat, and does not blow the fuse, it is usually a defective magnetron. Did it sound something like someone making a "gurgling" sound into a coffee cup? I think this has a a one-year warranty, with n five-year warranty covering the magnetron. You can find a local Amana-authorized servicer here: http://amana.com/amana/jsp/portalhttp.do?cs=0&BV_UseBVCookie=Yes&NextPage=7