What is the M91-Rear buffer conveyor belt discharging operation timeout machine code in the Kimball Electronics KM-ASSYM2-05 Error ID 22 error?

What is the problem with the rear buffer conveyor belt discharging operation timeout in the
The solution for the M91-Rear buffer conveyor belt discharging operation timeout error may involve several troubleshooting steps. These steps could include checking the conveyor beltâ€™s condition; enabling or disabling the rear buffer convey