전자레인지 고장인가요?

이제 데우는 것도 안되네요..
월풀이고요(WMH 31017 HS09)
https://www.whirlpool.com/kitchen/cooking/microwaves/over-the-range/p.1.7-cu.-ft.-microwave-hood-combination-with-electronic-touch-controls.wmh31017hz.html?