Question about Microwave Ovens
Whenever I turn on Microvave electrical sprks from right hand side steel bit. tried to remove it and it worked but why wont it work with steel bit on as too dangerous without it
Well, I've had this problem before, the cause of the problem was grease, dirt, and food grime stuck between the magnetron and the plate. When I mean stuck I don't mean a glob or chunk it was a layer. So my advice to you is to take it apart, clean it up and put it back together. Be Careful Make sure nothing obstructs inside and outside, it must be sealed or you will get radiation going through you and you might be killed. SO MAKE SURE, you might even want to get it tested for radiation leak when your finished.
I hope this helps you out some
Posted on Apr 02, 2008
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Posted on Jan 02, 2017
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Aug 27, 2014 | Kenmore Microwave Ovens
the microwave is sparking or arcing the waveguide cover might be
damaged and shorting out. Try removing the waveguide cover and see
if the problem goes away. If there are any damaged spots in the
microwave ceiling or sidewalls, repair them and paint them with
microwave oven paint. Replace the waveguide cover if it is burnt or
if it will not stay in place.
the microwave is sparking or arcing near one of the rack supports,
remove the support, repaint any bare metal, install a new support.
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Dec 12, 2012 | Sharp R-9H66 Microwave Oven
If there is spark please do not switch on unless you have confirmed the fault. It is possible that the Magnetron is leaking and sparking to the ground. As you have mentioned it was stored, it is quite possible that insect can get into the oven and create soft spots. When you switch on these will create a short and make the voltage jump and in the long run damage the magnetron.
So Remove cover after disconnecting , check for dirt/moisture in the cabin, if so wipe clean and dry, check the magnetron and area clean and use an jet air to clean off.
Now switch the microwave power on and use a cup of water to test.
If you notice any sparks shut off as the magnetron or the main HT capacitor can be faulty. Replace with same type. If not check the waveguides within the cabin for food particles that can burn and spark, check for rust that can corrode and spark when the ceramic paint has worn out.
If there is heating without any issues, you can use the microwave safely
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