How to clean the robot drive wheel if it is wound or the surface is dirty?
Take out the water tank of the robot, turn it off after turning it off, and place it with the bottom up. Press and turn the drive wheel to clear the entanglement and blockage. If there is hair, you can use the attached hair cutter to clean it; if the surface of the drive wheel is stained, you can turn the drive wheel and wipe the surface stains.