Most likely this will resolve the situation.
Garage door opener goes down and the goes bak 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.
If it is a new installation check the postion of the door arm.
Check if the safe t beams red led light is flashing.
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.
Your garage door opens when it hits the ground.
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.
There are four common problems with garage door sensors three of these homeowners can fix themselves.
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.
Make sure only the safe t beams that came with this garage door opener are installed.
The garage door goes down then back up.
Your garage door s logic board is the brain of your garage door opener.
I have a craftsman garage door opener 1 2 hp chain drive.
You push the button to close the garage door.
This is almost always the result of a dirty or obstructed safety feature.
It may be your garage door sensor.
The problem that i am having is it starts down then after about a foot it goes back up.
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.
Manually lift the garage door and release it when it is opened halfway.
The garage door keeps going up and down.
This brain can wear out in time so you could need a replacement.
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.
Adjust the limits as needed.
Garage door opener keeps going back up.
It goes partway down reverses direction and goes back up again.
The garage door will automatically go in reverse.
If that isn t the problem then try opening and closing the door with the wall switch.