My garage door has been working fine up until last week. It will not work
(for the most part) when I am outside. If I am inside it works fine. Som
etimes it will work if I am standing right outside the door. I have replac
ed the battery in both remotes and reprogramed them. Still nothing. The o
utside keypad works and the inside one too. It is a 3 yr old liftmaster.
Anyone have any ideas before I make the appointment for a service call?