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 ]# l$ X4 A# F( X6 L
- D1 |1 S6 C- C* a# r' t' dThe sensors are located on each side of the garage door. You can manually adjust to make them align. * y& }- m' N* Z3 i7 q0 H1 a* O3 [- m# Y: F. e
My husband did exactly the same thing and fixed the issue. & A- I7 T9 Z' |! F4 N% H; f# l4 K+ M& X3 x4 t
Hope this will help you bit. Sorry. I can't type in Chinese now.