(CBS) --Heating up a bowl of chili nearly turned into a disaster for a Chicago area family when their new microwave started on fire. 2 Investigator Dave Savini found it has happened to others, too.

“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 ...