Question about Microwave Ovens
High voltage parts are suspect. You are looking at
replacing either the magnatron or the high-voltage capacitor and
diode. Its affordable if you do it yourself - buy the part on
EBAY - lookup "universal magnatron"
Hope ya fix it!
Posted on Jan 09, 2008
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Posted on Jan 02, 2017
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Oct 22, 2013 | LG Microwave Ovens
May 16, 2012 | Rival Microwave Ovens
Sep 24, 2011 | Kenmore 69642 Microwave Oven
If there is no heating please do not switch on unless you have confirmed the fault. It is possible that the Magnetron is faulty, the temperature cut off is faulty or the main capacitor is short. It is also 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 keeping clear of the microwave, switch on, use a cup of water inside 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 there is heating without any issues, you can use the microwave safely
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