1、 Code matching At the same time, press the head to open and close button for 3 seconds, and the background light will start flashing. The flashing time is 3 seconds, and the code matching is completed. The code operation shall be completed within 2 minutes after the control box is energized, otherwise the control box shall be reenergized. The control box is not allowed to check the code several times within 2 minutes. The code must be checked again after re-energizing.
