Garage Door Will Not Close Light Flashes

Troubleshooting a liftmaster opener with a flashing light involves inspection of the safety reverse sensing system.

Garage door will not close light flashes.

Start by locating the lock button on your garage door opener. An open door will not close if the infrared beam is broken. Light blinking continuously if you own a new garage door opener that comes with a locking feature it s possible someone may have accidentally locked your garage door by pressing the lock button. Check safety sensor alignment.

This video demonstrates what to do if your garage door won t close and the lights on the chamberlain garage door opener are flashing. If both sensors light up and the door still does not close it could be your sensors are just faulty. For more information ab. Lights on garage door opener flash and door will not close garage door light flashing but won t close when you see you garage door opener lights flashing and the garage door will not close it could be the lock button or the safety reversing sensors.

Liftmaster motors will not operate when something obstructs the infrared beam between the safety sensors at the bottom of the garage door tracks. At times the garage door opener can malfunction and the garage door will not open or close. It informs you of an issue by flashing the diagnostic led light a certain amount of times. Like any electric component garage door sensors sometimes need to be replaced.

The opener can self diagnose any issues. Check the lock button the first thing you ll want to do when your garage door light is blinking is to check to see if the lock button sometimes referred to as the vacation button is turned on and if it is turn it off. Counting the number of times this light flashes will allow you to know the exact fault.