Keep the door and surrounding area out of use
Stop using the wall control, remote, and manual release. Keep people, pets, and vehicles away from the opening, especially if the door is partly open or its position appears unstable. Do not try to lift the door, restrain it, reconnect hardware, or touch springs, cables, bottom fixtures, brackets, or supports. Counterbalance work belongs to trained door-system personnel because the connected hardware can store substantial force.