 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.
9 t. `0 B$ W4 PIn 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.
- C( Z% s6 G5 H8 j0 U7 s( D1 N! O3 x4 n' j8 M2 Y& i3 E$ {3 k
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. |
|