If you recently tried to use your garage door opener but nothing happened and the light on your opener started blinking, you’re in the right place. Our article troubleshoots some common causes of a blinking garage door opener light. The blinking light acts like a smoke signal to alert you of an issue that needs immediate attention.
Why is my garage door opener light blinking?
On select LiftMaster openers, the light will blink 10 times to signal an obstruction. Debris, toys, or someone walking in front of the sensor will trigger this alert. If you don’t see anything between the sensors and you have a safety reversing system, look at the sensors.
Safety reversing sensors use LEDs as a status signal. A solid glowing LED indicates the sensors are working. If the LED lights are blinking, it’s out of alignment or has an electrical issue. To diagnose, we adjust the sensors to determine if it’s an electrical issue. To adjust the sensors, we loosen the wing nut and move the sensor around until we see a solid light. If we can’t get the LED to stay on, there may be an issue with the sensor wiring. At this point, we might swap out the wiring or install entirely new sensors.
A door will reverse and the opener light will blink 5 times if the door closes on an object. Most objects in this case are short enough to fall beneath the sensor. If there’s something in the path of the door, remove it. If your door still doesn’t stay closed, consult your owner’s manual or contact a garage door pro.
Finally, your garage door opener might be blinking because your opener lock is engaged or there is a manual lock in place. When in doubt, look at the track system to disengage a handheld safety lock. If your wall keypad has a lock button, double-check to make sure it’s unlocked.
Note: The lock on a wall keypad is a great feature to secure your garage door overnight.
Openers and sensors go bad, so if none of these items get your garage door opener back on track, let us know. You may need a new opener or parts because of a bad logic board or malfunctioning internal parts. If you’re in Southern California, near Murrieta, Orange County, or San Diego our team can help with all of your garage door repairs.