Garage Door Only Opens 6 Inches

It closes properly but doesn t open.
Garage door only opens 6 inches. When we try to open it goes up for 4 6 inches and stops. I did have my son press the button and i pushed the door gently and was able to get it all the way open when i kept applying force on it. Here read more. I have a craftsman 1 2 hp garage door opener.
When i hit the button again it proceeds to close. I tried to use the key pad and the button inside the garage and the same thing happened. Get shopping advice from experts friends and the community. My garage door only opens a couple of inches and stops posted by ali tyler on wed oct 01 2014 01 07 pm tweet.
Garages garage door openers work shops sheds breezeways and carports garage door only opens 6 inches i have a craftsman 1 2 hp garage door opener from 1997 on one of my garage doors. If i have the remote in hand and push the button to open and then i help. I have a garage door that will only open 6 inches and then the motor stops and the door will not move any further. They only way to open is from the inside the garage wallmount opener.
I have craftsmen garage door.