Such problems are usually related to the sensitivity of the opener safety sensors. If there is a tiny object on the floor, the reverse mechanism will be activated. It's good to sweep the ground under the door and make sure that nothing is stopping its movement.
Cable drums are different and must be chosen based on the garage system. They are flat, tall or combine both traits and each type will serve the vertical, standard or high lift system. So, it's best to ask assistance from the experts of our company in Lawrence.