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SYSTEM TEMP LOW
This alarm indicates that the temperature inside the controller is below -10 °C.
Possible Cause
Correction Action
Low ambient temperatures
Provide heat for the controller
SYSTEM TEMP HIGH
This alarm indicates that the temperature of the controller or sensor processor IC is above 75 °C, or that the temperature of the
Ethernet card processor IC is above 85 °C.
Possible Cause
Correction Action
High ambient temperatures
Provide cooling for the controller
High power draw
Do not use the controller’s 24VDC to power more than 1.5W total
DISPLAY ERROR
This alarm occurs if the user interface gets lost
Possible Cause
Correction Action
Pressing icons very quickly
Exit out of the screen and continue programming
ETHERNET CARD FAILURE
This alarm occurs if the Ethernet circuit board fails
Possible Cause
Correction Action
Ethernet card locked up
Try a power cycle to reset it
Faulty Ethernet circuit
Replace Controller Board
WEB SERVER FAILURE
This alarm occurs if the web server on the Ethernet circuit board fails
Possible Cause
Correction Action
Web server locked up
Try a power cycle to reset it
Faulty Ethernet card
Replace Ethernet card
Fluent DATA COMM ERROR
This alarm occurs if the controller attempts to send data to Fluent and Fluent fails to acknowledge receipt of the data
Possible Cause
Correction Action
No connection to LAN
Connect Ethernet cable to LAN
Wrong IP, subnet and/or gateway address
Program valid settings for LAN in the controller or use DHCP if
supported by the LAN
LAN is blocking outside access
Program LAN’s router to open access
Network card failure
See above
SENSOR CAL REQUIRED
This alarm occurs if the sensor’s Cal Reminder Alarm has been set to more than 0 days and if the sensor has not been calibrated
within that number of days
Possible Cause
Correction Action
Time to calibrate
Calibrate the sensor
Reminder set in error
Set the Cal Reminder Alarm to 0
CALCULATION ERROR
This alarm occurs if a virtual input calculation cannot be completed, for example if it has to divide by zero.
Possible Cause
Correction Action
Zero value for the input used as the denominator
Calibrate or evaluate that input
FLOW VERIFY
Occurs if the feed monitor digital input does not register any contacts while the control output for that pump has been active for longer than
the Flow Alarm Delay time.
Possible Cause
Correction Action
Metering pump has lost prime
Re-prime metering pump
Faulty metering pump
Repair or replace pump
Faulty verification device wiring
Correct wiring
Wrong digital input assigned to the output
Correct programming error
Faulty verification device
Repair or replace device
