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Aquarius DIW Heaters Owner’s Manual
Ver. 1.0.0 | 29 Apr 2020 | P. 21
Subject to change without notice
For more information, please refer to the PF3000 controller manual.
Problem
Solution
Pump Alarm
(Aquarius® systems only)
Please note that this alarm is only active when the Recirculation is “active”.
A. Verify that the circuit breaker is set to the ON position.
B. Check for any loose wiring connections.
C. Pump Controller may not be powered ON or voltage supplied to the pump controller is out
of range. Check the pump power supply and incoming power to the pump controller.
D. Check the motor power cable.
E. Check the motor sensor cable.
F. Check the Safety PLC interface cable.
G. The pump motor temperature is over 100°C.
H. The pump motor temperature was higher than 90°C for more than 10 minutes.
I. The pump controller temperature was higher than 70°C for more than 10 minutes.
J. The pump controller temperature is over 80°C.
K. The pump controller has an over current issue or the power channel has been interrupted.
System will not enter
Recirculation mode.
(Aquarius® systems only)
A. Verify that the Recirculation feature is enabled.
B. Verify that the “Recirculation” signal is being sent to the system.
C. Vent/Relief is active. Wait until this mode clears.
D. Check for any loose wiring connections.
E. Verify that an adequate supply of air is present.
F. Verify that the solenoid valves are operational.
G. Verify that the air operated valves (AOV) are operational.
H. The Pump and/or Pump Controller are defective.
System is
continuously Venting.
(Aquarius® systems only)
A. There is air in the water lines. Wait for the air to vent from the water lines.
B. Check the position of the recirculation liquid level (L/L #2) sensor.
C. Check for any loose wiring connections.
D. Check to see that the recirculation liquid level (L/L #2) sensor cable is connected.
E. Verify that the recirculation liquid level (L/L #2) sensor is functional.