What to do if the Xiaomi Robot Vacuum X20 Pro cannot return to the charging base and clean the mop pad?

The Xiaomi Robot Vacuum X20 Pro features an all-in-one base station. It supports auto mop pad washing, ensuring it is clean and ready for the next use.
If the Xiaomi Robot Vacuum X20 Pro cannot return to the charging base and clean the mop pad, please refer to the following details:
1. Make sure no obstructions are blocking the path to the charging base and check whether the charging base is powered on and the charging contacts are free of dust and debris;
2. Check if the mop pad and related components are properly installed. If any component is not installed correctly, the vacuum can not return to the base for cleaning;
3. Please check for any firmware updates for your vacuum;
4. Turn off the vacuum and then restart it;
5. If the problem persists, you can try to reset it to its factory settings. Please follow the instructions in the Mi Home APP to reset the vacuum;
6. If the above methods do not work, please contact Xiaomi support or visit a service center for further assistance.