ALC404 LIGHTING TOWER CONTROLLER USER MANUAL
ALC404 Lighting Tower Controller 2018-11-06 Version 1.1 Page 24 of 83
5 PROTECTIONS
5.1 WARNING ALARMS
Warnings are not lead to light tower set shutdown and alarm information will be displayed on the LCD.
Table 14 - Warning Alarms
When controller detects the high temperature input is active, it will
send warning signal and the corresponding alarm information will be
displayed on the LCD.
When controller detects the low oil pressure warning input is active, it
will send warning signal and the corresponding alarm information will
be displayed on the LCD.
When controller detects the engine speed of light tower set is higher
than the set value, it will send warning signal and the corresponding
alarm information will be displayed on the LCD.
When controller detects the engine speed of light tower set is lower
than the set value, it will send warning signal and the corresponding
alarm information will be displayed on the LCD.
When controller detects the engine speed of light tower set is 0, and
action select ―Warning‖, it will send warning signal and the
corresponding alarm information will be displayed on the LCD.
If it is enabled, when controller detects the frequency of light tower
set is higher than the set value, it will send warning signal and the
corresponding alarm information will be displayed on the LCD.
Generator Under
Frequency
If it is enabled, when controller detects the frequency of light tower
set is lower than the set value, it will send warning signal and the
corresponding alarm information will be displayed on the LCD.
If it is enabled, when controller detects the voltage of light tower set
is higher than the set value, it will send warning signal and the
corresponding alarm information will be displayed on the LCD.
If it is enabled, when controller detects the voltage of light tower set
is lower than the set value, it will send warning signal and the
corresponding alarm information will be displayed on the LCD.
If it is enabled, when controller detects the current of light tower set is
higher than the set value, it will send warning signal and the
corresponding alarm information will be displayed on the LCD.
If light power set fail to stop after the ―ETS solenoid hold/ wait for
stop delay‖ is expired, it will send warning signal and the
corresponding alarm information will be displayed on the LCD.