there are 2 protect sensors on each side near the floor. and they have to be aligned. the door cannot be closed when they are off set. you can align them manually and when the alignment is good, the light on the sensor will turn green.
PPQQ 发表于 2013-12-16 10:42 . y( T* Z8 U* _基本可以确定不是,调啊弄干净都试了) W) y0 p. s2 M0 K- a' J% c. c
中午断断续续弄2个小时都没有关上: f3 N0 m( R) I$ y. e D5 L
懒得弄了,就任车库门开着,到下 ...
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same problem and sometime it work. But most of time it does not work