FAQ Search Select a Category BarkBath Cleaning Formulas Cleaning Tips Commercial Products Corporate Deep Cleaners Hard Floor Cleaners Mops, Brooms and Brushes Parts and Accessories Steam Sweepers Vacuums Warranty Web Site and/or go My Spot Lifter PowerBrush will not suction. How do I resolve this? Answer: Make sure front nozzle is tilted forward to have good contact at the floor. Make sure the collection tank is not full. Make sure the collection tank is fully locked into the unit. Check to see if the drain plug is misassembled or missing; replace drain plug if needed. Make sure the front nozzle is not clogged. If clogged, suction up clean warm water to clear the clog. If you continue to experience difficulty please call BISSELL Consumer Services at 1-800-237-7961 Monday through Friday from 8am to 10pm or Saturdays from 9am to 8pm ET.