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. ! V# r: l; M6 C; }, b& q! u5 P5 \
The sensors are located on each side of the garage door. You can manually adjust to make them align.% z- T u+ `" a' ~
/ w) Z2 N% q* V" V& a1 d2 U/ u
My husband did exactly the same thing and fixed the issue. # w- m/ D6 t% e; w' n! h- T" ^( B n: e$ l r# i$ `- X
Hope this will help you bit. Sorry. I can't type in Chinese now.
% F# p: U+ `$ _: z. }) e% G! d7 i; C
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。。7 S* o D% ~* ]$ C. j& t9 ]# D
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。。。。。。。。