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.+ W. j' `8 P) l; }- v
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The sensors are located on each side of the garage door. You can manually adjust to make them align. 3 z. ?& y( U0 H) A! ^8 R6 t 7 _, ^9 E+ a& h2 Z: kMy husband did exactly the same thing and fixed the issue. " b3 c/ {) ]2 M0 P+ u* s * _: k6 i5 O1 a% Z8 PHope this will help you bit. Sorry. I can't type in Chinese now.