Robot vacuum leaves lines of debris or clumps behind it

Safety: Turn OFF and invert the robot.

• Remove and inspect brush: Check for worn, flattened, or missing bristles. Replace the brush if heavily worn.
• Check brush guard: Ensure the guard closes fully and is not cracked or warped.
• Clean chamber: Remove debris from the brush housing and edges where dirt may accumulate.
• Reinstall correctly: Make sure the brush end caps are fully seated in their slots before closing the guard.