1. Please clean the side brush and inspect for foreign objects, hair tangles, or deformation.
2. Please check if abnormal noise occurs when the robot is in mopping-only mode. If so, please provide a video of the noise and contact our customer service team for assistance.
3. If no foreign objects or hair tangles are found, but the robot still makes abnormal noise during operation, please provide a video of the noise and contact our customer service team for assistance.