Sterlco 140 to 6,285 Gallon Pump Tanks - Manual (Page 48)

Pump Tanks Chapter 4: Operation 48 of 67
This alarm will remain active until any of the following conditions are met:
• The system is no longer online.
• The control no longer detects a tower fan amp sensor failure when the alarm is reset.
Tower Fan Motor Fault Alarm
While this alarm is active, the fan is not allowed to run.
This alarm occurs when all of the following conditions are met for 3 seconds:
• The system is online.
• The fan is enabled.
• The fan run input is not active.
This alarm will remain active until any of the following conditions are met:
• The system is no longer online.
• The alarm is reset.
Tower Fan VFD Fault Alarm
While this alarm is active, the fan is not allowed to run.
This alarm occurs when all of the following conditions are met for 3 seconds:
• The system is online.
• The fan is enabled.
• The fan VFD input is not active.
This alarm will remain active until any of the following conditions are met:
• The system is no longer online.
• The alarm is reset.
Tank Fill Failure
When the Tank Fill Solenoid is active the tank level is compared to its previous level every
60 seconds (adjustable from Setup screen). If the tank level hasn’t increased by 0.5 inches
(adjustable from the Setup screen) this alarm will activate. While active the Tank Fill
Solenoid will be disabled.
This alarm will remain active until it is reset via the alarm screen or the system is taken
offline. Once reset, the Tank Fill Solenoid will have to be enabled from the Setup screen.
Wintercooler Low Flow Switch Alarm
This alarm occurs when all of the following conditions are met for the LowFlow Delay:
• The system is online.
• At least one recirc pump is active.
• The Recirc Low Flow Switch Input is not active.
The alarm will remain active until the system is taken offline or the alarm is reset.