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. - }7 \# U0 j, r" M9 R, { $ a m. m5 _- ]. d! r- i9 O9 O; NThe sensors are located on each side of the garage door. You can manually adjust to make them align. : |: B# G; `# k9 p, M+ T, _8 m% K1 H
My husband did exactly the same thing and fixed the issue.' G7 k( }+ F) D0 s) [6 t
1 {# ?& G% _. ]* J$ B& gHope this will help you bit. Sorry. I can't type in Chinese now.