Charging dock is unavailable on Mi Robot Vacuum Mop Pro

1) Check whether the equipment sets off from charging dock and the dock is located properly (1.5m access in front and 0.5m access at both sides are available).
2) Check whether App map is misaligned or overlapped, and reset map in App and then try again.
3) Check whether mop is curled up to catch the equipment, and re-attach it and then try again.
4) Do not move the equipment during its operation; manual movement during operation may interfere automatic cleaning and locating charging dock.