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When in microwave mode, makes loud buzzing sound. Miele H4084BM

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  • Shannon Wilson Jul 10, 2013

    My miele H4084 , exact same model makes the exact same noise, only on my case it heats up food alright. Any ideas on what might be wrong?

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  • Contributor
  • 21 Answers

Is something maybe sitting on top of microwave

Posted on May 21, 2014

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6ya6ya
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Posted on Jan 02, 2017

jsrock516
  • 5911 Answers

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

  • 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

MicrowaveSvc
  • 9047 Answers

SOURCE: Kenmore microwave making loud buzzing sound.


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


Posted on Mar 06, 2009

  • 14 Answers

SOURCE: Microwave making loud noise behind control pad and won't heat

Sounds like the magnatron (the bit that creates microwaves) could be goosed. Remove outer cover ( Isolate from the electric supply then remove screws at bottom on the sides).

Find big lump that says on magnatron with model nos etc on, any good electrical supply shop ( Maplins etc) should stock new one.

It is easy to change. It took me about half an hour having never done one before.

Buyer beware the price of the parts could be in excess of a new microwave.

Shop around

Posted on Sep 15, 2009

nikeananth
  • 267 Answers

SOURCE: whirlpool microwave makes loud buzzing noise

When your microwave oven won't cook your food, and, you hear a loud buzzing sound, it’s normally caused by a faulty (a) diode (b) high-voltage capacitor (b) magnetron.
The diode would be the most likely culprit of the three components. It’s also by far the cheapest!

Posted on Sep 22, 2009

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1 Answer

Microwave makes a loud buzzing noise


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.

Mar 21, 2014 | Electrolux Microwave Ovens

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My microwave no longer heats anything and also makes a really loud buzzing sound when i attempt to use it.


The problem is most likely caused by a defective magnetron that "heats the food" is loading down the high voltage transformer causing it to make a loud buzzing sound. The cost to repair (depending on make and model) will probably approach the cost of a new microwave oven when you factor parts and labor.

Jan 23, 2011 | Microwave Ovens

1 Answer

My microwave makes a loud buzzing sound


Magnitron is going out. Suggest discarding microwave it will possibly go completely out in the near future. Good luck hope this helped

Dave

Nov 02, 2009 | Jenn-Air JMV8208AAS Microwave Oven

2 Answers

Whirlpool microwave makes loud buzzing noise


When your microwave oven won't cook your food, and, you hear a loud buzzing sound, it’s normally caused by a faulty (a) diode (b) high-voltage capacitor (b) magnetron.
The diode would be the most likely culprit of the three components. It’s also by far the cheapest!

Sep 21, 2009 | Whirlpool MH6140XK Microwave Oven

1 Answer

Dacor DMT2420s when started makes a loud buzzing sound


The fan could have an obstuction. I have heard of tech sheets getting into the fan and causing a vibration and vibrating sound.

May 12, 2009 | Dacor DMT2420SS Microwave Oven

1 Answer

Kenmore microwave making loud buzzing sound.



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


Mar 05, 2009 | Kenmore 62622 Microwave Oven

1 Answer

Makes a loud buzzing noise and does not get hot


Have seen this many times.

Sounds like a bad CAP since a bad diode would blow the fuse and a bad mag would likely do the same thing.

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

Jan 06, 2009 | Kenmore 62622 Microwave Oven

1 Answer

Kitchenaid builtin microwave buzzing


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

Oct 25, 2008 | KitchenAid KEMC377K Convection / Microwave...

1 Answer

Microwave makes loud buzzing sound when on and no heat


Have you tried putting a cup of water in it and cooking on a low power level? If it buzzes only when it is on the cook cycle, that would narrow it down. More detals might help us help you, including the model number.

Mar 20, 2007 | Kenmore 62622 Microwave Oven

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