Hello! Based on the video you provided, please first check if the sewage suction port on the base station is blocked by foreign objects. If it is clear, the issue is most likely a faulty sewage pump in the base station.
We are truly sorry that your device, which was just returned from repair, is experiencing this problem, and we apologize for the negative experience this has caused you. Please contact our after-sales team at
aftersales@mova-tech.com, explain your situation, and they will arrange a replacement service for you. Thank you for your cooperation!