Troubleshooting

• L40 Ultra: Robot Doesn't Vacuum
• Robot Vacuum: No Water Comes from Water Tank
• Robot Vacuum and Mop: Abnormal Washboard Water Level
• L40 Ultra: Charging Abnormally
• Robot Vacuum and Mop: Universal Wheel Damage
• L40 Ultra Mop Pad Holder Falls Off Easily When the Robot Works
• L40 Ultra LDS Abnormal