To fix this issue first locate the two photo eyes attached to your garage door and clean the lens using a soft microfiber cloth.
Merlin garage door light flashes 4 times.
The number of times it flashes tells you exactly what the problem is.
The sensor eyes are misaligned for a short period.
Another symptom which may or may not be related is that sometimes when the door starts to close it gets about half way down and then goes up again.
Sending indicator light glows steadily receiving indicator light is dim or flashing.
Realign receiving eye sensor clean lens and secure brackets.
Garage door openers have an adjustment screw that controls the closing force the pressure with which a door is allowed to descend before the motor switches off when the door reverses before it even hits the floor this is often because the close force.
This will explain how to troubleshoot a garage door opener that won t close the door and blinks 10 times.
Garage door reverses before hitting the floor.
If your garage door opener light is continually flashing there s probably a problem with your safety sensor.
Two possible problems can lead to a garage door reversing before it even touches the floor.
Arrow blinks up 4 times and down 6 times.
4 light flashes problem.
On the garage door opener pictured below the led light is between the square purple smart button and the purple antenna wire.
Perhaps the most common issue for many homeowners if the safety sensors are not properly aligned the light will blink 10 times.
The led functions as a diagnostic indicator by slowly flashing a failure code continually every eight seconds until the fault is corrected the garage door opener is reset or the necessary parts are replaced.
If you follow these easy steps you should be able to get your garage door opener working in no time.
What does it mean when the led indicator light on the back of the opener blinks 4 times.
Verify door track is firmly secured to wall and does not move.
Garage door openers made after 1993 are equipped with sensors positioned on both sides of the vertical rails.
On the second try it usually closes.
On the other hand if you still can t get it to work you may need to call a professional or invest in a new system.