The Saniplus has a pressure chamber and at the bottom is a rubber membrane which acts as a float switch. Water pressure pushes up on the membrane, the unit turns on, pumps out the waste and as the pressure is released, the membrane goes back down and shuts off. So the problem might be a warped membrane, something stuck at the bottom of the membrane or the microswitch may be stuck on the on position. You will have to open the unit and remove the motor and pressure chamber to inspect it. Also the water level on the toilet is meant to be very low, Saniflo uses a rear discharge toilet, not a bottom discharge (standard toilet). Unfortunately the water level cannot be adjusted on Saniflo toilets.

Hi keith

Bloues hear.
the water level in the boul is standerd to the manefactuer. the plumber cant help for that. if u put a level on ur toilet and iets level there is noting u can do about it.. the water that keeps on runing is ur seal rubber, its located at the bottem of ur flush meganusum. step 1.... tack off sistern aka pump. then step 2 ... unscrew your flush meganusem, will be the 1 in the middel of sistern. step 3 ... after unsrewing it u wil see there is a rubber. if the rubber looks fine then u must ajust ur flush meganisems arm or lubricate it. bt if rubber is misformed or teared ... u must go to a plumbing shop with the rubber. they will give u new 1 for cheap. and u can just reaplace it and esembel the sistern again