Complete a guide exam by disconnecting the opener and working the door manually to make sure it opens and closes with no resistance. Garage door openers typically have two limit adjustment screws or dials labeled “Up” and “Down” on the motor housing. Consult your opener’s manual to establish these controls. https://lanezfgii.actoblog.com/39070293/garage-door-opener-limit-screw-adjustment-can-be-fun-for-anyone