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.9 Y. c: n0 E& ?! C: _! H# Y4 ^
& R) g. y M0 O: W# ]+ Z4 M- |1 p% R/ H
The sensors are located on each side of the garage door. You can manually adjust to make them align. . Y: u0 l3 f* j% B9 [( G5 U / X( |/ N+ x/ J1 V7 N6 m' f& zMy husband did exactly the same thing and fixed the issue.3 B4 @0 ]/ g5 p) w3 Q
. X6 A: n7 P8 z' p, T4 BHope this will help you bit. Sorry. I can't type in Chinese now.