Self-preparation： 1｜Super glue
1. Check the door cover sensor magnet： If the door cover sensor magnet is off but not lost, you can point super glue at the magnet base to glue the magnet back. If the magnet is lost, please contact your reseller.
2. Test the magnetic reed switch： Open and close the door cover continuously, and observe whether the 2 indicator lights are obviously on and whether the door cover symbol is displayed normally in the upper right corner.
a. Magnet (whether it is off)
2. Video： The video needs to include the action of opening and closing the door cover and the change of the door cover symbol.