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I have a 12 yr old microwave(I know I know buy a new one) anyway I was heating the dogs food up in it tonight,in the same bowl I always use, but tonight the bowl got so hot it almost melted to the glass rotisserie plate, the rotisserie plate was really hot too. any Ideas why this would happen. A friend of mine, his microwave did this with microwave popcorn, got so hot the microwave would shut off.
Could have been a chunk of fat absorbing a lot of energy.
I've warmed a container of stew and one chunk of meat with some fat on it got so hot it melted the plastic dish in that spot.
Could be the container too. Glass won't absorb microwave energy but some ceramics or earthenware may. To test your containers, put them in the microwave for 30 - 45 seconds by themselves and see if they get hot. microwave safe items won't get hot.
micros heat by exciting molecules. earthenware and some ceramics some times absorb moisture that can be heated due to "loose molecules". microwave safe=solid, non porous materials.
You guys are real quick to throw away your microwaves.
I bought the one we currently use in 1981. Granted, it was a top-of-the-line Quasar. Since then, all I've had to do is replace the magnetron once. Nothing else has so much as hiccupped, and that includes the membrane touch pad. Nothing else. I expect it to last until 2014, when I'll have to put another magnetron in. I use it many, many times a day.
BTW, fl1a, it's likely that all you saw was a cup of superheated water that got excited and immediately turned to steam. That happens once in a while, and you likely threw away a completely good microwave oven.
Ahh, America! Leading the entire world in a throw-away mentality. I hang around FTE because I want to learn about repairing my truck.
I agree, I know someone that has thrown away several in the last 5 or so years, well, I think a couple were warrantee replacements... He still goes back to the same brand, so I guess it's mostly his fault for that.
I turned mine on one night only to have it flash the light fo rhalf second and then quit completely.
$1.00 fuse fixed it, plus 10 minutes labor and a walk to Radio Shack.