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EVENTS MANAGEMENT
9. EVENTS 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 chemical reagent
container.
Low alarm
Measured pH is lower
than the Low Alarm
threshold value, for
more than 5 seconds
Increase pH content of
process to acceptable
values.
High alarm
Measured pH is
higher than set
threshold alarm High
pH, for more than
5 seconds
Decrease process pH
content to acceptable
values.