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EVENT MANAGEMENT
9. EVENT MANAGEMENT
9.1. ALARMS
Alarms can be independently enabled or disabled in SETUP.
Any event that activates the alarm turns automatic control Off, the alarm relay is deactivated and the
LCD backlight is blinking red.
The table below illustrates the conditions that will activate the alarm and deactivate the control pump.
Alarm
Description
Alarm condition
Solution
Overtime
alarm
Pump remains on
continuously for the time
set in menu Overtime
Alarm setting
Control is switched off.
Pump is activated in
Manual mode.
Hold level
alarm
Low-level sensor active
Refill fertilizer solution
container.
Low alarm
Measured EC / TDS is
lower than the Low Alarm
threshold value, for more
than 5 seconds
Increase fertilizer content
of process to acceptable
values.
High
alarm
Measured EC / TDS is
higher than set threshold
alarm High EC value, for
more than 5 seconds
Decrease fertilizer content
to acceptable values.
