My garage door has the same problem. I phoned Barcol and the guy told me it is a easy fix. Usually because the two sensors above the ground are not in alignment.2 o8 g4 {' d1 l7 W
. X0 A" S6 i' T; i. N8 U; j# YThe sensors are located on each side of the garage door. You can manually adjust to make them align. 5 P; V. X% R+ b0 g) ]6 g& \ m+ Z8 s6 c- W. \, y: s% h8 d7 ~
My husband did exactly the same thing and fixed the issue. 0 m! Z8 I9 V) M1 |: ` & p7 t/ m* f, i1 ~Hope this will help you bit. Sorry. I can't type in Chinese now.