It s approx 4 5 years old.
Garage door opener goes down and the goes bak up.
Manually lift the garage door and release it when it is opened halfway.
This is almost always the result of a dirty or obstructed safety feature.
Check if the safe t beams red led light is flashing.
The garage door keeps going up and down.
Garage door opener keeps going back up.
Even if i hold the button down the garage door returns up after a foot or so.
Try replacing the batteries in the remote and trying again.
I have checked the photo eyes and they look fine no blinking lights.
Make sure your garage door is closed disconnect your chamberlain garage door opener from the garage door by pulling the emergency release handle down and back towards the garage door.
If it is a new installation check the postion of the door arm.
When the logic board wears out it can cause your garage door to close then open and vice versa without explanation.
Check if the limits are properly set.
This brain can wear out in time so you could need a replacement.
There are four common problems with garage door sensors three of these homeowners can fix themselves.
The garage door will automatically go in reverse.
I have a craftsman garage door opener 1 2 hp chain drive.
Your garage door opens immediately after closing.
Your garage door opens when it hits the ground.
Make sure only the safe t beams that came with this garage door opener are installed.
Turn the down limit switch screw clockwise one turn with a flat blade screwdriver if the garage door closes and then begins to open back up.
Garage door only travels a little way and then reverses does your garage door only travel a little way 6 inches or so and then reverse.
It may be your garage door sensor.
Adjust the limits as needed.
Most likely this will resolve the situation.
The garage door goes down then back up.
Garage door starts down then stops and goes back up or safe t beam system malfunction.
In the case that the door responds to the switch then there s a good chance it s the remote that has an issue.
If that isn t the problem then try opening and closing the door with the wall switch.
The problem that i am having is it starts down then after about a foot it goes back up.