Counting the number of times this light flashes will allow you to know the exact fault.
Garage door will not close light flashes 10 times.
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 light will flash two times.
The led on the motor will also blink and serves as a diagnostic tool for troubleshooting.
Defective safety sensors or faulty sensor wiring also cause the opener lights to blink 10 times.
If your door control has a lock button it may have been turned on.
An open door will not close if the infrared beam is broken.
Ten flashes of the light tells you there is a problem with the door safety sensor circuit.
The opener can self diagnose any issues.
Garage door openers made after 1993 are equipped with sensors positioned on both sides of the vertical rails.
It informs you of an issue by flashing the diagnostic led light a certain amount of times.
This most likely indicates that the garage door sensors are out of alignment or there is something in the way of the sensors.
If one or both leds is blinking the sensors are misaligned.
If you notice this happen start by seeing if anything is obstructing the sensors field of view.
Perhaps the most common issue for many homeowners if the safety sensors are not properly aligned the light will blink 10 times.
Press the lock button to turn this feature off.
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Liftmaster motors will not operate when something obstructs the infrared beam between the safety sensors at the bottom of the garage door tracks.
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The main light will blink 10 times indicating a problem.
If one of the leds is not on the door sensors need to be replaced.
The blinking opener lights indicate that the safety sensors are likely blocked or out of alignment.
Look at the led s on both door sensors.
If this is not the issue then your sensors will probably need to be aligned.
When the lock button is on the garage door opener will work from the door control but the remote controls are locked out.
The safety sensors use an invisible beam of infrared light to detect obstructions in the garage door s path.
They work by sending and receiving an invisible infrared beam.
This will explain how to troubleshoot a garage door opener that won t close the door and blinks 10 times.
To fix this issue first locate the two photo eyes attached to your garage door and clean the lens using a soft microfiber cloth.
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