Carry out a handbook check by disconnecting the opener and functioning the door manually to guarantee it opens and closes without having resistance. Garage door openers commonly have two limit adjustment screws or dials labeled “Up” and “Down” within the motor housing. Consult your opener’s handbook to discover these controls. https://alexiseysdo.blogpixi.com/38562550/5-essential-elements-for-liftmaster-screw-drive-travel-limit-setup