My first YouTube upload: My daily battle with my garage door.
I think it has to do with light sensitivity scrambling the sensors; I generally don’t have the problem at night or very early morning, but as soon as it starts getting light, the garage door starts stuttering and backing up. Dana hypothesizes that it might have to do with temperature — that maybe the metal brackets are expanding just enough to throw the laser and sensor off synch.
Whatever. It’s annoying.