What to do if the water tank of the Xiaomi Robot Vacuum S40 falls off?

If the water tank of the Xiaomi Robot Vacuum S40 falls off, please refer to the following steps to troubleshoot:
1. Make sure the water tank is properly installed. Install the water tank assembly according to the direction shown in the figure until you hear a "click" sound to ensure it is installed in place;

2. Overfilling can lead to imbalance or leakage, which will cause the water tank to loosen or fall off during movement;
3. Look for dust, hair, or debris around the attachment points or slots that could prevent secure fit. Clean both the water tank and the robot vacuum’s connector area.
If none of the above methods resolve the issue, please contact the after-sales service center for further assistance.