Craftsman 1/3 hp GDO remote problem
I have bought a used Craftsman 1/3 hp GDO and installed it. The button on the wall works but I can't get the remote to work. The model is 41A3066 and it doesn't have any kind of lrn button on the unit and nothing inside the remote to change other than the battery ,and I did. The only thing on the opener is a code bar and I don't know if it might have got changed the remote reads 139.53859. The guy I got the GDO from said it worked fine a week ago but doesn't have the book that it came with and we can't figure it out. Can anyone help?