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. : | r$ I8 @9 P2 x3 Q5 Q2 a) N; ~9 O/ N) c4 y
The sensors are located on each side of the garage door. You can manually adjust to make them align.* K; E/ P+ b, G' T
# ~! ?) T3 Y! P6 ^My husband did exactly the same thing and fixed the issue., T6 C/ B& E9 O/ d
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Hope this will help you bit. Sorry. I can't type in Chinese now.