Bad Salt Cell. The main issue is calcium buildup also called scale. However very often this concern is only triggered because the pool turned green or the water test shows zero free chlorine.
Salt cells fail for a few different reasons the main reason being lack of proper maintenance. A salt bridge is a device used in an electrochemical cell for connecting its oxidation and reduction half cells wherein a weak electrolyte is used. Use a cleaning kit designed for salt cells to keep the plates clear of buildup.
Doing this ensures excess calcium doesnt become caked on the metallic plates.
A flow alert typically means either the pump isnt running or the flow switch is damaged. Thats huge savings 65 in that case. High Total Alkalinity levels in your pool can also be a. Lets take a look at a T15 salt cell.