Garage Door Help : How to Replace a Garage Door Sensor
About this video
The sensor on a garage door keeps the door from closing while obstructions are in the way. Replace a garage door sensor with help from a garage door specialist in this free video clip.
Expert: Jacob Swenson
Bio: Jacob Swenson works for Specialized Garage Doors in Salt Lake City, Utah.
Filmmaker: Michael Burton
Series Description: The garage door is a much more complicated piece of equipment than it may initially seem. Get help with your garage door with assistance from a garage door specialist in this free video series.
Related article summary
A yellow blinking garage door sensor indicates the safety photo-eye beam is not aligned or obstructed, preventing the door from closing. Common causes include dirty lenses, misaligned sensors, blocked beam, damaged or disconnected wiring, or failed sensors. Fixes include cleaning lenses, realigning sensors, removing obstructions, checking and repairing wires, replacing sensors, or calling manufacturer support.