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. # o I h, {0 r) y& ?( T3 i3 {4 w" {+ w
The sensors are located on each side of the garage door. You can manually adjust to make them align.6 ?# h1 \- @+ A2 Q
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My husband did exactly the same thing and fixed the issue.: o9 |3 l6 K9 g/ n8 }% q: B- p
( C2 G' V3 X: h2 oHope this will help you bit. Sorry. I can't type in Chinese now.