My problem is probably easily resolved, I'm sure if I had the manual for my GDO. I have a Crafsman 1/2 hp. The door operates fine except when it closes it (seemingly and randomly) bounces back up up and starts the cycle again.
I believe there are sensitivity controls, two adjustments located on the side, as well as two others on the back. I just thought it would be easier to find the manuals before i started spinning four different controls. Does anyone have any idea where i could locate such a manual...Thanks