If swapping the edges from the door that the sensors are put in on does not take care of The difficulty (daylight will glow over the receiver sensor while in the night now, instead of the early morning), we have sensor Solar shields obtainable for buying, section variety 41B873. http://sun-city-garage-door-repa94937.blogkoo.com/the-greatest-guide-to-suncity-garage-29926597