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mary Martiny Posted on Oct 23, 2013
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Buzzing noise ours buzzes all the time whether you are using it or not how can I stop the noise. It is the same buzz noise that you hear when something is oooked

1 Answer

ernesto cuadra

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  • Panasonic Master 12,223 Answers
  • Posted on Oct 23, 2013
ernesto cuadra
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Follow this steps and fix it. God bless you

  1. MagnetronIf your microwave is emanating high pitched or growling noises during operation, the magnetron could be going bad. Normally a nearly silent part, the magnetron uses high voltage and induces the frequency required to cook food. Although normally not a safety hazard to operate, this is a sign that the magnetron is failing and will need to be replaced as soon as possible.
  2. Exhaust fan motorIf your microwave is making a very loud humming noise during operation, it could possibly be the exhaust fan motor. If defective the part will need to be replaced to silence the appliance once more.
  3. Stirrer motorAnother leading cause of a noisy microwave is an expired stirrer motor. With use this part becomes worn and makes a loud grinding noise, which is usually a leading indicator that the part needs to be replaced. The stirrer is a metal blade that is slowly turned by the motor. This action disperses the microwave energy in a random pattern, which heats the food evenly. If the stirrer motor is determined to be nearing expiration, it should be replaced to halt the grinding noise.
  4. Turntable motorA very common cause for a noisy microwave is a worn out t
urntable motor. This is a relatively easy repair and will put an end to the noise once replaced.

5 Related Answers

MicrowaveSvc

William Miller

  • 9179 Answers
  • Posted on Apr 10, 2007

SOURCE: Microwave won't work

F6 usually means a fault in the controller or keypad. You could try to unplug it for several minutes, then plug it back in. If it still fails, maybe you or a friend can disconnect the power cord, unplug the keypad strip internally, then plug the power cord back in and try it with the keypad still disconnected. If it does not fail again, you have a wet or shorted keypad and can dry it or order one. If it does fail again, the control board is bad. If you or a friend decide to work on it, we have *critical* safety, disassembly, and troubleshooting info at our site, which is linked at our listing here on FixYa: http://tinyurl.com/yzjozk You can find helpful exploded view diagrams and order parts by entering your full model number (without the suffix) here: http://tinyurl.com/gv383 Sorry I didn't get to answer this before the bogus answer was posted. I've been tied up and away from the PC.

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MicrowaveSvc

William Miller

  • 9179 Answers
  • Posted on Dec 05, 2007

SOURCE: Microwave buzzing and hot when not in use

The brand and model number can help us pinpoint it, but it sounds as though it is cooking.

It also sounds like the cooling fan is not running durng this error condition, which could overheat and destroy the magnetron.

I would suspect a bad door switch or door switch mount, or possibly a stuck relay on the control circuit board.

Please reply back with your brand and model so we can help further. Thanks.

MicrowaveSvc

William Miller

  • 9179 Answers
  • Posted on Dec 06, 2007

SOURCE: Panasonic microwave buzzing noise

Yes, this is usually a shorted high voltage rectifier diode.

It is usually located behind the high voltage transformer and it attaches to the magnetron and to the chassis.

For ciritical safety links how to test the diode, see: http://www.gallawa.com/microtech/diode.html
Panasonic replacement parts can be found here: http://www.pasc.panasonic.com/epartr

Anonymous

  • 5911 Answers
  • Posted on Jan 15, 2008

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.

Anonymous

  • 3 Answers
  • Posted on May 15, 2008

SOURCE: G.E. Spacemaker XL1800- Loud constant buzzing noise. Help

My microwave was totally dead. Things I discovered: 1) There is an easily replacable fuse accessed by taking off the top front vent cover (two screws on top, gently massage off) and then the inside plastic grill. UNPLUG before doing this! 2) Pop off two wires on either end of fuse holder for safety. Then pop out fuse and replace. For more extensive help, there is an evelope with a wiring diagram inside the case on the inside wall! Very helpful when diagnosing the surface lamp problem (I forgot to plug the ballast back in when I closed up the bottom).

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Kenmore elite microwave 79203 buzzes when off

It sounds like you have a shorted cook relay on your control circuit board.

That can usually be repaired more economically than replacing the circuit board.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
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Loud buzzing noise with Whirpool microwave oven when it comes on. All lights, heating and fan seems to work but not sure why loud buzzing. What is the problem?

The loud buzzing you hear is the sound of the magnatron tube.That is what emits the microwave radiation and buzzing should be normal. The mag tube may be nearing its end at witch time you will hear no buzzing and hence no heating of foods. Replacement can be costly depending on the model so most people just opt for a new one. Hope this helps
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GE Spacemaker XL1800 Buzzing

Chances are this is a problem on the control panel. We repair these for customers nationwide with our guaranteed $39.95 service.

Please feel free to contact me directly if you need more help. And please mention your model number when you write.

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

William E. Miller, AS-EET
[email protected]
http://www.microwavedisplay.com

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R-9H66C does not heat.

Yes, it is either a bad door switch or a loose or misaligned door switch holder.

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: http://tinyurl.com/yzjozk

We're happy to help and we appreciate your thoughtful rating of our answer.
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Works - but the sound has changed

Possibly, the "fault" was the buzzing in the first place! Buzzing is usually a cabinet vibration caused by magnetic fields from the "gubbins". If the buzzing should occur again, try pushing/ pulling/ poking the cabinet while the oven is running, you may find a position that causes the buzz to stop.
Another possibility is you previously had something else placed in close proximity to the oven.
If a rattling cabinet is the problem, either try to reposition something, or just ignore it!
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Ge microwave - making noise

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?
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Buzzing noise, wont work???

The magnatron is shorting, overloading the high voltage transformer. From the picture this looks like an older unit and is probably not worth a magnatron replacement.
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