Saniflo — Problems Fixed

If your Saniflo unit is humming, clogging, or refusing to start, you are not alone. Below is an exhaustive breakdown of the most common Saniflo problems, why they happen, and how to fix them. The Symptom: You press the flush button or the appliance (sink/shower) activates, but the macerator remains completely silent.

The safety float switch inside the tank has detected that the water level is dangerously high, but the pump hasn’t activated—or the pump failed to lower it. saniflo problems

The motor is spinning, but the cutting blade is jammed or the impeller (which pushes the slurry) is stripped or clogged. Often, non-flushable items have tangled around the blade. If your Saniflo unit is humming, clogging, or