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 [) u$ }$ h) ?; `7 {4 ]6 h6 q* N8 G
The sensors are located on each side of the garage door. You can manually adjust to make them align. 8 a' ~4 c$ `4 x; s1 n# r- } Z+ N* \* h. b+ G6 p
My husband did exactly the same thing and fixed the issue., M0 ]6 E$ W/ N
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Hope this will help you bit. Sorry. I can't type in Chinese now.
G p' {3 C8 ^: W4 \+ _如果是过热就可能慢慢坏掉了。现在这样严格意义说就是坏的。很多不方便可能把自己锁在外边等等。。, K' c8 [+ @9 R/ d- V8 w
刚说买电路板差不多得一半的钱,多数时候这样。自己干勉强够本不够请人的加人工就跟新的差不多。我说买电路板没劲儿就在这里。买来了发现还不对这块板子不能退了。。。。。。。。