1. Check wheels, side brushes and Main Brush if have foreign objects on them;
If yes, please remove foreign objects and clean main brush and side brush.
2. Please Check if there is strange thing around Laser Distance Sensor (LDS) to influence LDS.
3. Please check if Laser Distance Sensor (LDS) is rotating or not.
4. If the issue persists, please contact support.us@tikom.cc for assistance.
Model: L9000/L8000