An open door will not close if the infrared beam is broken.
Chamberlain garage door light flashes 10 times.
Unplug the garage door opener to reset the logic board.
The main light will blink 10 times indicating a problem.
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If you push the garage door opener switch when the sensors are obstructed or not aligned properly your garage door will reverse and the lights will blink 10 times.
If you notice this happen start by seeing if anything is obstructing the sensors field of view.
Pull the emergency door release and check the up and down travel of the garage door for binding.
Diagnose and repair problems if your garage door won t move and the motor unit indicator light flashes 5 times.
The motor can overheat if the door is opened and closed several times in a row.
Perhaps the most common issue for many homeowners if the safety sensors are not properly aligned the light will blink 10 times.
If your garage door opener won t open and the motor unit lights blink 10 times it usually means you have a problem with your safety sensors.
Liftmaster motors will not operate when something obstructs the infrared beam between the safety sensors at the bottom of the garage door tracks.
The led on the motor will also blink and serves as a diagnostic tool for.
Allow the motor to cool for about 15 minutes before restoring power and using the garage door opener.
The light from the opener blinks 10 times to warn you about misaligned photo eyes.
This will explain how to troubleshoot a garage door opener that won t close the door and blinks 10 times.
Garage door openers made after 1993 are equipped with sensors positioned on both sides of the vertical rails.
This most likely indicates that the garage door sensors are out of alignment or there is something in the way of the sensors.