ALC404 LIGHTING TOWER CONTROLLER USER MANUAL
ALC404 Lighting Tower Controller 2018-11-06 Version 1.1 Page 27 of 83
5.2
SHUTDOWN ALARMS
When controller detects shutdown alarm, it will send signal to turn off #1
～
#4 lights and shuts down
generator and corresponding alarm information will be displayed on LCD.
Table 15 - Shutdown Alarms
No.
Type
Description
1
Emergency Stop
When controller detects emergency stop signal, it will send a shutdown
signal and the corresponding alarm information will be displayed on the
LCD.
2
High Temp. Shutdown
When controller detects the High Temp. Shutdown input is active, it will
send a shutdown signal and the corresponding alarm information will be
displayed on the LCD.
3
Low Oil Pressure
Shutdown
When controller detects the Low Oil Pressure Shutdown input is active, it
will send a shutdown signal and the corresponding alarm information will
be displayed on the LCD.
4
Light Fault Shutdown
If it is enabled, when controller detects the beacon lamp failure, and
action select shutdown, it will send shutdown signal and the
corresponding alarm information will be displayed on the LCD.
5
Over Speed
When controller detects the generator speed is higher than the maximum
limit of preset value, it will send a shutdown signal and the corresponding
alarm information will be displayed on the LCD.
6
Under Speed
If it is enabled, when controller detects the generator speed is lower than
the minimum limit of preset value, it will send a shutdown signal and the
corresponding alarm information will be displayed on the LCD.
7
Loss of Speed Signal
When controller detects the generator speed is 0, meanwhile, action
select as shutdown, it will send a shutdown signal and the corresponding
alarm information will be displayed on the LCD.
8
Over Frequency
If it is enabled, when controller detects the generator frequency is higher
than the maximum limit of preset value, it will send a shutdown signal and
the corresponding alarm information will be displayed on the LCD.
9
Under Frequency
If it is enabled, when controller detects the generator frequency is lower
than the minimum limit of preset value, it will send a shutdown signal and
the corresponding alarm information will be displayed on the LCD.
10
Over Voltage
If it is enabled, when controller detects the generator voltage is higher
than the maximum limit of preset value, it will send a shutdown signal and
the corresponding alarm information will be displayed on the LCD.
11
Under Voltage
If it is enabled, when controller detects the generator voltage is lower than
the minimum limit of preset value, it will send a shutdown signal and the
corresponding alarm information will be displayed on the LCD.
