On Monday, May 6, 2019 at 3:59:48 PM UTC-4, wrote:
The light, turntable, and fan will not shut off. It will heat normally for the specified time, but when it says food is ready it keeps on going around until the door is opened. It does not keep heating, just revolving with the light on.

Did you try removing AC power for a few minutes? It may be stuck in
some weird mode.