Whirlpool MH7140XF Microwave Oven "stove buzzing stop" Questions

...stove microwave that is ten years old. Model MH7140XFQ-1. This morning while I was defrosting some bacon in it, it stopped working and started making a low buzzing sound. The screen shows F6. Hitting ...

...Buzzing When Not in Use Ongoing problem with my 1 year old Whirlpool microwave. When I cook on the stove (below microwave) and produce steam, the microwave will begin to buzz LOUDLY! without even ...