Disconnect the operator from the door and adjust the door until it works smoothly. It should open and close with one hand and stay down when released. What type of spring is being used, torsion or extension? The door needs to glide effortlessly without the opener before you can re-attach it.We just installed a new garage door opener on a new garage door. When the door closes the rail bends up and the door stops and goes back up. We adjusted the garage door opener several times. Is it because the door is too tight or is the garage door opener?