Craftsman Garage Door Opener Goes Down Then Comes Back Up

Even if i hold the button down the garage door r.
Craftsman garage door opener goes down then comes back up. How to troubleshoot a garage door that stops halfway down. 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 to press the button again to stop from the door going back up and then manually close the door. The remote will make the door come down but once it gets to the concrete floor it comes right back up it won t stay down.
Upon pressing the buttom the garage door starts coming down it closes all the way and then immediately bounces right back. Craftsman garage door goes down reveres and then comes back up a foot. The problem that i am having is it starts down then after about a foot it goes back up. Nothing will make the door raise completely.
Recently the wall switch that powers opening and closing is not lit and will not activate the opener. The model number is 13953910. I have checked the photo eyes and they look fine no blinking lights. Hi i have a craftsman garage door opener 1 2 hp chain drive.
It s approx 4 5 years old. Get shopping advice from experts friends and the community. Please assist with a solution to fix this problem thanks. A garage door that only opens halfway becomes a nuisance for many reasons.
Out of the blue yesterday garage door goes down reverses and then only goes about a foot or so up. I have a craftsman 1 2 hp garage door opener. The garage door will automatically go in reverse.