Drive Sprocket jammed with string that was for a early warning system to stop anyone from driving too far in their garage.

In process of removing the string that has caused excessive noise during the lifting and lowering of their garage door.

During the removal of the string that is jammed around sprocket

Last bits of string that is around the sprocket.

View of the string that caused the issue. You can see the string on the right that has been torn away from the operator.

After belt drive has been cleaned out of the string. This is a much better situation and sounds alot better with less stress on the motor.