Question about KitchenAid KHMS155LSS 1000 Watts Microwave Oven

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Microwave makes a very loud sound when on like it is going to blow up. What could be causing this? It is a kitchenaid built in.

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This is usually a symptom of a magnetron that is failing. I would recommend stop using it. A replacement magnetron costs about $163 at searspartsdirect.com. The part number is 8205791. This was the cheapest web source I could find it.

Posted on Apr 20, 2009

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Posted on Jan 02, 2017

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2 Answers

My microwave just made a loud sound. It still runs but doesn't heat up. Is it likely a fuse & if so what do I do?


fuses make very little sound when they blow so a loud sound in a microwave is an expensive sound
best take it in for a proper diagnosis and quote as many loud sound repairs cost more to fix than a new unit

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Microwave makes loud sound when running.


You don't. If it's doing that, there's something wrong with it. It needs to be replaced.

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Loud noise when cooking


I had an arcing sound coming from above the cardboard panel inside the microwave. When I saw it sparking I took the cover off and saw that these two aluminum looking things had come loose. I removed the cover and did a fair bit of 'fine tuning' to get it working again.

Apr 03, 2014 | KitchenAid KHMS2050SSS Microwave Oven

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Microwave KCMS 135H, makes loud sound followed by blown fuse.


either the high voltage diode,capacitor,or the magnetron tube is dead shorted,remove the leads off the magnetron tube,but check the diode and capacitor with an ohmmeter to check these for a shorted condition before trying a new fuse,if it builds high voltage then its the mag tube

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Kitchenaid microwave hood combination...makes a loud noise when being use


The microwave oven should be checked, when it gets noisy and labors it indicates the magnetron is probably on the way out, but there are two additional parts that will cause the same symptom "high voltage diode" and the "high voltage capacitor"

Jan 28, 2011 | Microwave Ovens

1 Answer

Runs normally, but makes loud hum. not heating. in defrost mode, loud hum, then normal sounds, then loud hum, then normal...


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

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Aug 15, 2010 | KitchenAid KCMS1555RSS Stainless Steel...

1 Answer

KitchenAid KHHS179lss, fried magnitron?


If your magnetron was shorted, the unit would not heat at all.

The sound of a shorted magnetron is usually a loud hum-- but no or very little smell and no smoke.

Components in the High Voltage section -capacitor, diode- give problems if they short out.

Feb 17, 2009 | KitchenAid KHHS179LSS Convection /...

1 Answer

Kitchenaid KHMS155LSS 1000 watt microwave makes grinding noise


Chances are you have a bad stirrer motor or the stirrer blade is jamming or loose on the motor shaft.

Your owner's manual should tell you how to remove the stirrer cover to check it.

If for some reason you don't have your owner's manual, you can download it free here, as well as the parts manual for your model.

You can also find helpful exploded view diagrams and order parts by entering your full model number here.

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

Jan 01, 2009 | KitchenAid KHMS155LSS 1000 Watts Microwave...

1 Answer

Makes a loud humming sound and blows fuse behind controll panel


Most likely a shorted capacitor is causing the fuse to blow. Easy and cheap to fix.
Check with www.martinmicrowave.com or call toll free 1-877-894-0035 for parts info

Sep 02, 2008 | Sharp R-1460 Microwave Oven

1 Answer

Dead replaced fuse now makes loud noise


Yes that noise is causing your fuse to blow. Machine gun sound sounds like the High Voltage Capacitor or High voltage diode is bad. (Loud humming sound is usually a bad magnetron or bad power transformer). Most of these parts are inexpensive, except for the magnetron. But most of the repair bill is most likely going to be for labor.

Based on your model, it looks like an over the range microwave. And to fix any of these problems require the removal of the microwave from the wall. So its up to you if you want to deal with that hassle. But you also have to consider that you'll probably have a hard time trying to find a new microwave that will fit.

Mar 25, 2008 | Sharp R-1480 Microwave Oven

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