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Microwave makes gurgling noise when not in use

Have a microwave that makes a Gurgling / Gargling noise when not in use.

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WHAT IS PURPOSE OF NOISE FILTER ON VIKING VMOC205


The noise filter is to block electrical noise, not auditory noise. "Noise" in electronics means any unwanted or unintended electrical signal.

The purpose of the noise filter is to help prevent any electrical noise generated in the wiring of the microwave from getting into your house wiring, which could cause interference with or disruption of other devices.

If your microwave is making auditory noise, then it may be a loose cover or panel, a rubber bumper fell off the high voltage transformer, or one of the components is failing.

A loud buzz, hum, or groan is usually a shorted high voltage rectifier diode, but a sound like gurgling into an empty coffee mug is one symptom of a failed magnetron, and yet the magnetron can be bad without that sound.

If either of those two were bad, it would not cook.

Oct 30, 2012 | Viking Microwave Ovens

1 Answer

I bought a Sharp Carousel 1100 watt microwave about 8 months ago but now it makes a louder noise when it's on and it doesn't heat. Can I easily fix this myself or is this now trash?


A loud buzz, hum, or groan is usually a shorted high voltage rectifier diode, but a sound like gurgling into an empty coffee mug is one symptom of a failed magnetron.

Since it's less than a year old, it's fully under warranty and Sharp will fix it free.

You can contact Sharp at 1-800-BE-SHARP (1-800-237-4277) or visit them online to get it fixed.

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

Jan 30, 2010 | Sharp Microwave Ovens

2 Answers

Microwave makes a loud sound and then won't heat. About 3 years old.


It sounds like a failing magnetron. Sometimes they can be intermittent before they finally fail for good.

Chances are your oven has a 5-10 year warranty on the magnetron.

Please note that FixYa is not currently notifying us Experts when Clarification Requests are answered.

To allow us to help you effectively (at no charge), please post a
NEW problem to FixYa, and please include your brand name and the full model number from the tag in or on the unit, and your detailed symptoms.

A loud buzz, hum, or groan is usually a shorted high voltage rectifier diode, but a sound like gurgling into an empty coffee mug is one symptom of a failed magnetron, and yet the mag can be bad without that sound.

Dec 12, 2009 | KitchenAid KHMS155LSS 1000 Watts Microwave...

1 Answer

The microwave is making a buzzing noise and not heating


A loud buzz, hum, or groan is usually a shorted high voltage rectifier diode, but a sound like gurgling into an empty coffee mug is one symptom of a failed magnetron, and yet the mag can be bad without that sound.

To allow us to help you effectively (at no charge), please post a NEW problem to FixYa, and please include your brand name and the full model number and date from the tag in or on the unit.

Also please let us know which of the above yours' noise sounds more like.

Nov 29, 2009 | Goldstar Microwave Ovens

1 Answer

The microwave oven turns on but does not heat


To allow us to help you effectively (at no charge), please post a NEW problem to FixYa, and please include your brand name and the full model number from the tag in or on the unit, your symptoms, as well as the answers to this question:

- Is there any unusual noise or is it louder or quieter than normal?

We have a sound clip here of what a microwave should sound like when the cooling fan and high voltage section are working.

(A loud buzz, hum, or groan is usually a shorted high voltage rectifier diode, but a sound like gurgling into an empty coffee mug is one symptom of a failed magnetron, and yet the mag can be bad without that sound.)

Nov 28, 2009 | GE JVM1440 Microwave Oven

1 Answer

Microwave turns on but it makes strange noises and does not cook anything. After a little while I get an error message that says something like cooking sensor has timed out


So we can help you, please post a NEW question, and please include your full model number from the tag in or on the unit, as well as the answers to these questions:

When you try to microwave are the inside light, internal cooling fan and turntable all working?

Is there any unusual noise or is it louder or quieter than normal?

A loud buzz, hum, or groan is usually a shorted high voltage rectifier diode, but a sound like gurgling into an empty coffee mug is one symptom of a failed magnetron, and yet the mag can be bad without that sound.

We have a sound clip of what a microwave should sound like when the cooling fan and high voltage section are working.

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

Oct 11, 2009 | GE Microwave Ovens

1 Answer

Microwave will no longer heat. Model #MA-1000W


So we can help you, please post a NEW question, and please include your model number MA-1000Was well as the answers to these questions:

When you try to microwave are the inside light, internal cooling fan and turntable all working?

Is there any unusual noise or is it louder or quieter than normal?

A loud buzz, hum, or groan is usually a shorted high voltage rectifier diode, but a sound like gurgling into an empty coffee mug is one symptom of a failed magnetron, and yet the mag can be bad without that sound.

We have a sound clip of what a microwave should sound like when the cooling fan and high voltage section are working.

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

Oct 11, 2009 | Goldstar MA-1011 Microwave Oven

1 Answer

Makes load noise and wont heat anything


I would first suspect a shorted high voltage rectifier diode or possibly a defective magnetron.

If the noise is just a loud buzz, I would suspect the diode. If it has more of a hollow sound - like someone gurgling into a coffee cup - then I would suspect the magnetron.

Here are some links you or a friend can use for test help, but PLEASE read their safety warnings first:

http://www.gallawa.com/microtech/diode.html
http://www.gallawa.com/microtech/mag_test.html
http://www.gallawa.com/microtech/xformer.html

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

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

Feb 12, 2008 | Jenn-Air JMC7000 Microwave Oven

1 Answer

Microwave making noise, not heating


Was the noise something like someone growling into a coffee cup?

As odd as that sounds, that's a common sound for a bad magnetron to make, a hollow gurgling or sizzling.

It may be the magnetron, but 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 connection 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, and our link is at our listing here on FixYa: http://tinyurl.com/yzjozk

You can usually find helpful exploded view diagrams and order parts by entering your FULL model number here: http://www3.sears.com (the 3 is correct)

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

Dec 04, 2007 | Kenmore 62702 Microwave Oven

1 Answer

Mwave made loud buzzing noise then didn't heat up anymore


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

Mar 03, 2007 | Amana AMV1162 Microwave Oven

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