Garage Door Won’t Close and the Opener Light Flashes: What to Check First
When your garage door won’t close and the opener light starts flashing, it’s almost always the opener’s way of saying: “Something is triggering the safety system.” In most U.S. garage setups, the #1 cause is the safety sensor (photo-eye) system—either the beam is blocked, the sensors are dirty/misaligned, or sunlight/glare is interfering. The good news: many fixes are quick and…