“A burning smell (and smoke) is a sign something is amiss with your microwave, and you should immediately turn off and unplug it,” Shimek says. The problem could be minor, like caked-on food burning ...

My wife says that if she uses the microwave 3x in a row then on the third run it takes much longer to heat up the food than it should (all 3 runs are for 1-2 minutes each). I don't know if this is a ...