DCS Microwave: works, but nothing gets any heat. at all...
Whenever something is placed in the micro (or not, for that matter), and the start button is pressed (as one normally would) the light, timer count down, carosel, etc. all work, but the item doesn't get hot.
If all appears to be running as its working but just no heat. Could be issue with magnetron. You could also have loose connections to magnetron or somewhere in high voltaged as well.
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Either the magnetron tube or it's high voltage power supply have failed These are the two most expensive components to replace and it may be more economical to replace the oven than to repair it.
If you have this model microwave and it was working fine, then one day it stopped heating items placed inside there are a handful of different issues that could be the problem. In my case it was intermittent, over a period of a few days it would sometimes work (heat) and sometimes not. NO MATTER if this is what your's is doing or if it stopped heating all together. If you decide to let it dry out, or not use it for a while to see if it was a one time occurrence, or whatever the reason, the first time you put something in and probably for the next 10 times at least (this assumes it starts to work again), make sure you are right there with it while it is cooking. Don't assume you can put something in, go do something and come back when the timer is beeping. There is a chance (as this happened to me) that your food inside will CATCH FIRE! Normal food item placed inside, no metal, nothing different than the numerous times before when this had been cooked but when we smelled smoke we came running. Fortunately it started and finished inside the microwave but that's not a guarantee, it could spread. Play it safe. Never had a problem like this before and never heard of a microwave cooking something until it caught on fire (especially since the time entered for the cook was 30 seconds) but it did.
I just had the same problem with my microwave. First DISCONNECT THE POWER. Remove the front top grill (screws are on top of microwave). Unscrew the one screw at the top of the control panel and lift it out of the way. You will see three micro switches to the left of the pannel. I bent the metal frame they were mounted to by hand to move them back into place. The microwave oven works great now. If this does not help, then I would consider replacing the top limit switch.
If there are no bangs or arcing taking place and simply the heating output is slow, then it would be a matter of replacing the magnatron. Once the micro cover is removed,the magnatron is that square module sitting half way up bolted on with 4 small screws. Quote the model on the sticker stuck on the MAG. and order a new one. Take care when replacing. Lage voltages present on capacitor.
The flash is usually caused by metal either being placed inside of micro or the interior surface might have chipped enamel exposing the metal underneath. Make sure no metal materials are placed inside while using and that the interior surface is in good condition.
If all appears to be running as its working but just no heat. Could be issue with magnetron. You could also have loose connections to magnetron or somewhere in high voltaged as well.
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