Liftmaster motors will not operate when something obstructs the infrared beam between the safety sensors at the bottom of the garage door tracks.
Chamberlain garage door light flashes 10 times.
The light from the opener blinks 10 times to warn you about misaligned photo eyes.
Unplug the garage door opener to reset the logic board.
Chamberlain garage door openers troubleshooting support find the chamberlain garage door opener technical support you need to get your garage door opener operational.
How to repair broken or damaged wires video.
An open door will not close if the infrared beam is broken.
The motor can overheat if the door is opened and closed several times in a row.
If you notice this happen start by seeing if anything is obstructing the sensors field of view.
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.
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.
To fix this issue first locate the two photo eyes attached to your garage door and clean the lens using a soft microfiber cloth.
Diagnose and repair problems if your garage door won t move and the motor unit indicator light flashes 5 times.
Garage door openers made after 1993 are equipped with sensors positioned on both sides of the vertical rails.
Pull the emergency door release and check the up and down travel of the garage door for binding.
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This most likely indicates that the garage door sensors are out of alignment or there is something in the way of the sensors.
Perhaps the most common issue for many homeowners if the safety sensors are not properly aligned the light will blink 10 times.