ato malfuntion

[rusty hannon]

list night my ato kicked on and drained resivoir.pumps were epty and salinity wasn very low. i corrected the salinit and checkedddd the pumps and all seem well.has anyone had this porblem

 

[Pistondog]

list night my ato kicked on and drained resivoir.pumps were epty and salinity wasn very low. i corrected the salinit and checkedddd the pumps and all seem well.has anyone had this porblem

Ato brand?
Sensor locations?

 

[rusty hannon]

The brand is a tunzeand sensor is in center chamber of sump.its been doing fine fora month