HGM4100LT GENSET CONTROLLER USER MANUAL
HGM4100LT Genset Controller 2019-01-28 Version1.0 Page 12 of 48
5
PROTECTION
5.1
WARNINGS
When the controller detects the warning signals, it shall only give alarm and not stop the genset.
Besides, LCD displays the warning information.
Table 4 Warning Types
No.
Type
Description
1
High Temperature
When the sample temperature got by the temperature sensor is higher
than the set temperature value and it is not allowed to stop the genset, or
input port temperature high alarm is detected and it is not allowed to stop
the genset, the controller shall initiate the warning alarm signal and LCD
displays High Temperature Warning at the same time.
2
Low Oil Pressure
When the sample oil pressure got by the pressure sensor is lower than
the set pressure value and it is not allowed to stop the genset, or input
port pressure low alarm is detected and it is not allowed to stop the
genset, the controller shall initiate the warning alarm signal and LCD
displays Low Oil Pressure Warning at the same time.
3
Gen Over Current
When the controller detects that the genset current has exceeded the
pre-set value and the over current delay has expired, it will initiate a
warning alarm and the corresponding alarm information will be displayed
on LCD.
4
Fail To Stop
After “fail to stop delay”/ “ETS delay” has expired, if gen-set does not
stop completely, it will initiate a warning alarm and the corresponding
alarm information will be displayed on LCD.
5
Low Fuel Level
When the controller detects that the fuel level has fallen below the
pre-set value while shutdown is prohibited, or it detects that the Aux.
input fuel low warning is active, l while shutdown is prohibited, it will
initiate a warning alarm and the corresponding alarm information will be
displayed on LCD.
6
Charge Alt Failure
When the controller detects that charger voltage has fallen below the
battery voltage and the difference value exceeds pre-set charging
voltage difference value, it will initiate a warning alarm and the
corresponding alarm information will be displayed on LCD.
7
Battery Under Volt
When the controller detects that battery voltage has fallen below the
pre-set value, it will initiate a warning alarm and the corresponding alarm
information will be displayed on LCD.
8
Battery Over Volt
When the controller detects that battery voltage has exceeded the
pre-set value, it will initiate a warning alarm and the corresponding alarm
information will be displayed on LCD.
9
Auxiliary Input
When the controller detects that the auxiliary input warning signals are
active, it will initiate a warning alarm and the corresponding alarm
information will be displayed on LCD.
