Microwave question??

Hello fellow T@Ger’s,

We have a 2021 T@G XL with 297 GREAT nights using it!! We have used the microwave at least once on every trip and has worked flawlessly up until now. It works as normal (the glass plate rotates, the timer works when prompted) but no heat??? Has anyone had this issue??? I just wanted to check to see if there is a simple fix to try before I remove it and take to a small appliance dealer.