Question about Samsung Microwave Ovens
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Posted on Jan 02, 2017
Sounds like the problem is in the high voltage. Most common would be magnatron, capacitor and diode. For safety reasons this should be checked by a professional. Look in your owners manual because some high voltage parts have a longer warranty than 1 yr.
Posted on Oct 10, 2007
The problem is that the magnatron is not getting power. Chance is that if could be a bolwn fuse inside the unit. If the fuse don't fix it then that leaves the charging diode, capacitor or the magnatron, or high voltage xformer of which without technical epertize I would not recomend attempting to replace. good luck
Posted on May 14, 2008
SOURCE: Microwave won't heat food.
My Whirlpool microwave, over the stove, stopped working when my son used it to heat his food and a heavy sound came out, like something exploded in it. When I check it, there was nothing broke. Everything works fine except that it does not heat. I will appreciate any help
Posted on Nov 09, 2008
It might help to know the brand/model of the microwave, but in general, they are alike in some ways. Most have one, two, or three different switches that are part of the door interlock. This is to prevent the microwave from running with the door open (good idea). I recently repaired my 15 year old Panasonic microwave that had a similiar problem. You punched in the time, hit start, it "turned on", rotated, and sounded like it was cooking, but nothing got hot. Here is what I found.
I unplugged the oven and removed the back cover, it is usually all one piece with 6 or so screws. Inside the oven, where the door latch enters the frame, it is probably pushing on a piece that is activate one or more interlock switches. Chances are, that the switch that prevents the "power" components from turning on has failed. Over time these "microswitches" will go bad. I could "jiggle" my handle or push in on it "just right" and get it to work at times, but it needed replacing.
Now comes the part where you need a little electrical knowledge and a multimeter. You will need to check each switch to see if it has continuity when closed and that it opens up, electrically, when open. If you don't know how to do resistance checks or have a meter, ask around, you might be suprised by friends or coworkers that know how to do this. If not, you may be at the point where you will need to take it to a repair shop. If you can check the switches and find one that is bad, they only cost a few bucks, and you will be back in business. Reassembly is pretty easy.
This is the part that gets most folks, because they don't have a meter or know how to use one, a repair shop will probably want $50 - $100 bucks (minimun) and you can buy a new one for twice that. This is one reason our landfills are full of small appliance that still have a lot of life left in them. You can buy a cheap meter at Wally world or radio shack. If you want to give it a shot, follow up to this post, and I will try to walk you through this. Hope this helps.
Posted on May 30, 2009
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