Sterlco 140 to 6,285 Gallon Pump Tanks User Manual
Page 46

Pump Tanks
Chapter 4: Operation
46 of 67
Process Pump Motor Fault Alarm
While this alarm is active, the process pump is not allowed to run. If another process pump is
enabled or the stand-by pump is enabled and configured as a process, it will start after a 2
second delay.
This alarm occurs when all of the following conditions are met for 3 seconds:
• The system is online.
• The process pump is enabled.
• The process pump 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.
Process VFD Fault Alarm
While this alarm is active, the process pump is not allowed to run. If another process pump is
enabled or the stand-by pump is enabled and configured as a process, it will start after a 2
second delay.
This alarm occurs when all of the following conditions are met for 3 seconds:
• The system is online.
• The process pump is enabled.
• The process 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.
Recirc. Amp Sensor Failure
This alarm occurs when all of the following conditions are met:
• The system is online.
• The control detects a recirc amp sensor failure.
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 recirc amp sensor failure when the alarm is reset.
Recirc. Low Flow Switch Alarm
This alarm occurs when all of the following conditions are met for the Low Flow 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.