1. CHECK IF THE RECOVERY TANK IS SEALED, OR THE COVER SEAL IS BROKEN, PLEASE COVER THE RECOVERY TANK AND DRAIN PIPE PROPERLY.

2. CHECK IF THE SUCTION PIPE IS BLOCKED, CLEAN THE SUCTION PIPE AND SQUEEGEE REGULARLY TO AVOID THE WATER ABSORPTION EFFECT CAUSED BY THE BLOCKAGE OF IMPURITIES SUCH AS HAIR.

3. CHECK IF THE SQUEEGEE RUBBER IS WEAR. USE THE OTHER SIDE OF THE RUBBER OR REPLACE IT REGULARLY.

4. CHECK IF THE SUCTION MOTOR IS FAULTY OR INSUFFICIENT. IF SO, PLEASE REPLACE THE SUCTION MOTOR.

5. CHECK IF THE SQUEEGEE RUBBER IS PROPERLY ATTACHED TO THE GROUND. IF THE RUBBER IS PERPENDICULAR TO THE GROUND OR THE ANGLE IS TOO LARGE, PLEASE ADJUST THE HEIGHT OF THE SWIVEL CASTER TO MAKE THE BACK STRIP EVENLY TILT BACK 5MM.