Alarko ALD 400 Series, Operating Manual

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Descriptions of messages that will appear on the ALDF Digital Display
In normal operation, the display will show the pressure and control percentage (%) and the mode in which the
water booster runs.
While the water booster is in stop operation mode, the total running time and number of switches of each pump
can be monitored on the screen by pressing the down arrow key.
If the motor remains in two phases during start-up or operation, or if the mains connections are incorrect, the panel
will turn off the power by not allowing the motor to rotate in the opposite direction and "RST ERROR!!" warning will
appear on the display.
When thermal relay of any of the motors is tripped, "THERMAL RELAY TRIPPED-1" warning will appear on the
display. (Number 1 is given as an example, indicating the motor that thermal relay is tripped)
The panel will cut off energy when the tank is waterless and "NO WATER!" warning will appear on the display.