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 Big Green Complete® collection tank keeps overflowing. What should I do? Answer: Please check out our easy steps to get your machine working properly. -The widest part of the float should be at the bottom. -Make sure the float isn’t stuck at the bottom. Don’t forget the float should move freely up and down. Related Questions My Lift-Off® Deep Cleaner with HeatWave Technology® doesn't heat the water. What's wrong? The belt on my Big Green Deep Cleaning Machine® keeps falling off. What should I do? My DeepClean Essential® is continously spraying. What should I check? My brush stopped rotating. What could be wrong?