Carry out a handbook test by disconnecting the opener and working the door manually to be sure it opens and closes without the need of resistance. Modify the sensitivity options utilizing the controls around the motor unit as outlined from the handbook. When the door nevertheless reverses, look for obstructions https://judahwoewk.digitollblog.com/38174672/not-known-details-about-liftmaster-screw-drive-travel-limit-setup