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Is buzzing convection microwave leaking radiation

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Probably not, if the door and seals are not damaged.

It's more likely to be a failing high voltage diode or magnetron.

Posted on Jan 09, 2013

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Posted on Jan 02, 2017

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I have a convection Microwave , when you close the door it makes a buzzing noise. what would cause this?


You don't note the make or age, but most of the convection/microwave ovens are actually made by Sharp. I have one, and there are 4 microswitches that monitor the door and door latch. These go bad and need to be replaced. You can have a service technician do it, or it's not hard to remove them and replace them yourself.

Oct 13, 2014 | Microwave Ovens

1 Answer

Sharp microwave kb-6002ls making buzzing noise


Someone would have to open the unit to "hear" where it is coming from, possible fan issue or even the power unit inside.

Dec 03, 2012 | Sharp KB-6002LS 1000 Watts Convection /...

1 Answer

Everything works except the Microwave. Even when you start the Microwave the table turns etc but no heat. Was making a buzzing noise then burning smell.


Hi,


Here is a tip that will help you to figure out what is wrong with your Microwave Oven....

Basic
Microwave Oven Troubleshooting Tips

heatman101

Mar 14, 2011 | GE JVM1790 1000 Watts Convection /...

1 Answer

On microwave mode the oven makes light buzzing noise and does not heat food. Convection oven and grill functions work perfectly. michaelchrys@yahoo.com


The magnetron (the part that heats the food) may be bad or the circuitry to the magnetron may have burned out. Basically my advice is that if you have no electrical expertise, it isn't worth fixing. The magnetron if bad, costs almost as much as a new microwave. If you open it up (make sure it has been unplugged for a few hours and don't seen any obvious burnt parts (including a fuse and the diodes), then most likely the magnetron is done and a new microwave is the way to go.

Let me know how this works out for you.

Benjamin

Aug 17, 2010 | Panasonic NN-A811A Convection/Microwave...

1 Answer

My convection microwave will not heat up in convection mode. the microwave function works just fine. is there a way to troubleshoot and repair the problem?



    usually if convection fails means there is problem in magnetron you hear an unusual buzzing noise, the magnetron (the component that actually generates the microwaves) or other electronic module may be broken. This is not easily fixed; contact a service technician.
please do rate me on the above said issue

Dec 30, 2009 | GE JVM1790SK Convection/Microwave Oven

1 Answer

Makes a different humming sound than usual,does it leak radiation


Buy a detector to test your microwave to be sure it is not leaking radiation. The detectors range in price from ten dollars to about thirty five dollars and can be purchased in most hardware stores. If you discover that the microwave is leaking radiation, never try to repair this appliance yourself. Take the microwave to a professional for repair. All things considered though, the microwave oven is fairly inexpensive these days it may be a better idea to just purchase a new one.

Mar 25, 2009 | GE JVM1190 Microwave Oven

3 Answers

Panasonic Microwave NN-C980-B buzzing noise but it still works.


All:
I have a 2003 Sears Ultra Wave microwave 721.63682300 with a similar problem. A few months ago it started giving off short buzzes when turned on. That stopped but then I noticed that everything took twice as long to heat up. After quite a bit of teardown&inspection I found a circuit break in the inverter board leading to ZD704 diode (pictured). I will now try to find a replacement diode to see if replacing will fix it. Thanks for your postings.

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Feb 15, 2009 | Panasonic NN-C980 Convection/Microwave...

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

Buzzing


I do not believe you need to be concerned about radiation leaks since the cabinet and door are properly designed to prevent that however the buzzing sound could be any number of things that could range from a simple fan to the magnetron tube failing.. That particular model is relatively inexpensive and service calls are not. In my opinion, it just isn't worth the costs associated with having it repaired when you can buy one for comparable money. You might find a local repair shop and have it examined and get an estimate of the cost to fix. If the costs to repair exceed the costs to replace then the obvious choice would be to replace. Your call..

Aug 23, 2008 | Sunbeam SMW777 Microwave Oven

1 Answer

Microwave stops


power supply have tech look at your microwavegood luck.

Apr 22, 2007 | GE JES1288SH Convection/Microwave Oven

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