Chosen Solution
Microwave worked fine until yesterday. Now when cooking bacon on paper towel, edge of towel caught fire. Have done this many times in past with no problem
This might sound crazy but is there any chance your paper towels have a metallic pattern printed on them? Any type of small metal embedded into the paper would be super heated by the microwaves and set the paper on fire…
The magnetron may be bad. I would have it checked before using it any more.
