Life Probo PR70 is an irreversible electromechanical operator designed specifically for automating sectional and up-and-over residential garage doors Atu Tech - A2T.ro
Page 5: Troubleshooting
The operator must be properly mounted on its runner (rail) before ceiling installation.
Manual Release: Pull the cord on the mobile trolley to move the door by hand. Reconnect by returning the door to its initial position until it hooks back up.