 鲜花( 0)  鸡蛋( 0)
|
If the "Button" means the one on Remote Controller, you can try to find the battery inside the Remote Controller.
; T3 f! g; m( b6 ^7 S2 ^In most of cases, there is a screw on the cover, sometime the screw might be covered by label. If the Top/Bottom Covers of Remote Controller are not secured by screw, then you can use fingernail or screw driver to open it.( T7 L$ ~+ j, K* D) ^2 m
, j+ W% q3 i$ M: N6 s
If the "Button" means the Up/Down Switch inside Garage, then thing might be more complicated. Basically, you need to check the electric circuits by multimeter. |
|