I have the FMV145 Over-the-Range Microwave. I also have the same problem as others from this site. Microwave works fine - just won't heat. Could it just be a fuse in the microwave? Only 5 years old! Since this issue seems to be common with this unit, is anyone aware of a recall?

Microwave Ovens - Frigidaire - FMV145K Microwave Oven