Proceed changing the down limit screw right up until the door closes entirely and rests on the ground. Make certain that it doesn't slam shut or depart a major hole. Most models have two smaller knobs or plastic screws within the side or back on the motor housing. Search for https://download-free-software-2083185.blogsvila.com/38569840/about-old-garage-door-opener-model-travel-limit-set-up