Recirc Lo Level Solutions
The float may have also malfunctioned and the mechanism is 'bad' or check your connections at the pump station. This means a Bad Float
The Vault Filter could be another reason for the alarm so check to see if it needs cleaning or any trash removed.
The Pump may be running continuously or ***Stuck ON***. In this scenario there are many checks:
1. Check the motor contactor,
2. Check the PLC for correct input/output status lights,
3. Check status light relay (X7,X8,X9),
4. Check terminal strip for corrosion or bad connection.
Water may be Siphoning out the tank so check for line breaks or elevation changes.
A Leak in the tank may cause the alarm so look for erratic water level changes.