The dirty water tank is not full but the device prompts a full water alarm? Customer Support August 17, 2021 09:01 Reinstall the sewage tank to ensure that it is installed properly. Clean the HEPA filter, ensure the HEPA filter is dry. Related articles No response after pressing the self-cleaning button? Clean water tank indicator showing "not allowed", "lack of water" or flashes randomly? Is self-cleaning mode always showing lack of water? The water spray button is not spraying water? Lunaglow G1 user manual Can I clean both wet and dry waste? What floors are suitable?