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.; Y7 Z' [5 L4 D) ?! s
% \6 Y$ }/ d0 }4 P8 o2 @The sensors are located on each side of the garage door. You can manually adjust to make them align. " k2 D" l7 C/ V) N! b" P g+ n2 E- I! k9 g; R4 _- x5 |
My husband did exactly the same thing and fixed the issue.6 q' T q. B; @/ m% y
' P c- Z1 v# r/ _' a2 Z2 y" @8 h! THope this will help you bit. Sorry. I can't type in Chinese now.