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.+ e6 Q$ ~3 s& [0 o: D
e# U2 d8 g- l2 t) bThe sensors are located on each side of the garage door. You can manually adjust to make them align.$ F3 P7 K0 ^6 `) a: J# |. C# c4 l
) O% `7 k. m% F4 A1 J. r/ rMy husband did exactly the same thing and fixed the issue. # l: Q+ w, f3 g + V% p0 a6 i" t+ bHope this will help you bit. Sorry. I can't type in Chinese now.
~" I- D. a' W, v u% A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。。6 m: |) ]# @! J. W6 z, 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。。。。。。。。