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