ICON NXT Pro User Manual page 14

13. Operation continued
Display of -P-
Display of -A-
Display flashing OL The controller has sensed an overload condition exceeding the
Display flashing UL An underload (dry run) condition outside of the programmed value has
Display flashing Pr The controller has shut down because the maximum run time has
Pushing the RESET button rotates the display indication.
Underload / Dry Run condition –
The following applies to both Mode 1 and Mode 2
If there is no water in the tank or a closed supply/suction pipe issue, the iCon NXT Pro
controller will allow the pump to run for 20 seconds with no flow detected before shutting
down.
The RED LED, LACK OF WATER will FLASH and the following sequence will run:
i. Stop for 10 seconds,
ii. Run for 40 seconds, Stop for 10 seconds
iii. Run for 40 seconds, Stop for 10 seconds.
After this sequence, the controller will go into auto restart mode
and the RED
The controller will repeat this sequence every 24 hours until flow is detected.
To clear any fault or to resume normal operation perform one of the following
•
Press and hold ON/OFF for 3 seconds
•
Cycle the power to the controller
14
Occurs when pressure on the control exceeds 9.9 bar for more than 5
seconds. Pump will attempt restart in 30 minutes.
Occurs when Pump has cut in and cut out at intervals less than 30
seconds for the last 15 starts. Pump will attempt restart in 30 minutes.
programmed value. The pump will shut down until a manual system
reset occurs.
Press and Hold ON/OFF for 3 seconds. Then press ON/OFF.
occurred. The Auto Restart Cycle will commence and the
LACK OF WATER will flash.
been exceeded.
System Pressure / Current Draw / Operational Status.
assumes the Pipe Flow parameter PF is enabled.
LED, LACK OF WATER will stay ON AND STEADY
See Programming sequence: Section 9
RED LED