AMS is Busy

Has anyone else had this issue? After a print when the printer has been idle for a few hours, I can hear one motor running in one of the AMS’es, it’s sometimes not even the AMS that was used last. I’ve had this issue about 3 or 4 times, when you press the circular arrow on the AMS screen to update the filament in a slot, it displays "The AMS is Busy and some other text which I forgot. The printer then needs the power cycled to correct the issue. I’ve unplugged the AMS that has the motor running, and re-plugged it and the motor continues to run with the same message if you try to refresh.