No doubt the installing dealer has to know what they are doing.I'm just giving my two cents worth.The 3800's have a cable tension sensor that has to be adjusted correctly as well.One of my motor units also just quit working.Hummed when you tried to open the door.This is in a house that I still...
I would rethink the liftmaster 3800.I had three installed by a professional garage door company along with 3 16' wide doors.1 door is 8'high,1 is 10'high and 1 is 11" high.After numerous attempts over a 2 year period to make them operate properly they replaced them with Genie Trilog 1500 screw...
Hi everyone! This is my first post on what looks to be a very infor//mative site.I am currently building a house in the mountains of Idaho.The attached garage is approximately 2150 sq.ft.with three 16ft. wide roll-up doors.One section of the garage has a 10ft.ceiling and the other has a...