The garage door opener is equipped with two safety features that may prevent the door from closing and cause the lights to flash. Why do the lights on my garage door opener flash and my door will not close? The garage door opener is equipped with two safety features that may prevent the door from closing and cause the lights to flash. How to test or troubleshoot the safety reversing sensors Updated The safety reversing sensors must be connected and aligned correctly before the garage door opener will move in the down direction. I have this problem as well, only it occurs when the sun is brightest, for the few hours around 1pm on the brightest days of summer. You probably only have to shield the sensor just enough to put a shadow over it (and not let the sun hit it directly).
Garage doors sold in the United States use a standard two-part optical sensor that detects whether the door is closed or if there is something or someone under it. The safety eye sensors shoot a beam across the width of the garage door. opening, if the beam is broken the door will not close. The opener also will not open with the. HomeAdvisor’s Garage Door Repair Cost Guide lists price information associated with fixing a garage door, as reported by HomeAdvisor customers.
How To Fix A Garage Door Sensor