Garage Door Keeps Going Back Up Craftsman

There are four common problems with garage door sensors three of these homeowners can fix.
Garage door keeps going back up craftsman. I have checked that there is power to the opener and that is not the problem however if i tap the underside of the opener motor with a stick the unit lights up and the. It can seem quite ghostly having your garage door operate with a mind of its own. The problem that i am having is it starts down then after about a foot it goes back up. Recently the wall switch that powers opening and closing is not lit and will not activate the opener.
The garage door goes down then back up. I try again. When the garage door opens about halfway or 5 feet from the ground and stops the up limit switch needs to be adjusted. But one of the more perplexing issues is when the door goes up and down by itself with no help from you.
The door shuts and then comes back up by itself 3 4 of the way then stops. My craftsman garage door opener works fine going up and down but when it travels down it hits the floor and does not stay down. Garage door opener keeps going back up. I have a 1 2 hp craftsman garage door opener that is about 20 years old.
It s approx 4 5 years old. The garage door keeps going up and down. How to fix a garage door that keeps reversing. This is almost always the result of a.
Your garage door opens when it hits the ground. It goes partway down reverses direction and goes back up again. Open the garage door and watch it closely as it opens. Automatic garage door openers are prone to a variety of problems most of which are fairly easy to fix with routine troubleshooting and maintenance.
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 opens up right away after hitting the floor. You push the button to close the garage door.
It may be your garage door sensor. My garage door keeps reversing and will not close.