Shutdown Alarms - Smartgen HGM4020DC User Manual

5.2 SHUTDOWN ALARMS

When controller detects shutdown alarm, it will immediately control rectifiers to stop outputting and stop
the genset, and the corresponding alarm information will be displayed on LCD.
No. Type
Emergency Stop
1
Alarm
Over Speed
2
Shutdown
Under Speed
3
Shutdown
Loss Speed
4
Shutdown
5 Reserved
6 Reserved
Gen Over Volt
7
Shutdown
Gen Under Volt
8
Shutdown
Over Current
9
Shutdown
10 Failed To Start
High Temp.
11
Shutdown
Low Pressure
12
Shutdown
No Gen Freq
13
Shutdown
14 Input Shutdown
Fuel Level
15
Shutdown
Oil Sensor Open
16
Shut.
Fuel Sensor Open
17
Shut
18 Reserved
Maintenance Time
19
Shut.
HGM4020DC Genset Controller
HGM4020DC GENSET CONTROLLER USER MANUAL
Table 7 – Shutdown Alarms
When controller detects emergency stop input is active, it will send stop
signals and the corresponding alarm information will be displayed on
LCD.
When controller detects the engine speed value is higher than the set
value, it will send stop signals and the corresponding alarm information
will be displayed on LCD.
When controller detects the speed value is lower than the set value, it will
send stop signals and the corresponding alarm information will be
displayed on LCD.
When controller detects speed value equals to 0, and delay value isn't 0,
it will send stop signals and the corresponding alarm information will be
displayed on LCD.
When controller detects the generator voltage value is higher than the
set value, it will send stop signals and the corresponding alarm
information will be displayed on LCD.
When controller detects the voltage value is lower than the set value, it
will send stop signals and the corresponding alarm information will be
displayed on LCD.
When controller detects the current value is higher than the set value and
duration time is over than over current delay, and alarm action selects
"shutdown", it will send stop signals and the corresponding alarm
information will be displayed on LCD.
If genset start fails within setting of start times, controller will send stop
signals and the corresponding alarm information will be displayed on
LCD.
When controller detects temperature of water/cylinder is higher than the
set value, it will send stop signals and the corresponding alarm
information will be displayed on LCD.
When controller detects oil pressure is lower than the set value, it will
send stop signals and the corresponding alarm information will be
displayed on LCD.
When controller detects genset voltage is 0, it will send stop signals and
the corresponding alarm information will be displayed on LCD.
When controller detects active external shutdown alarm signals, it will
send stop signals and the corresponding alarm information will be
displayed on LCD.
When controller detects the sample value, which adopted by the
programmable fuel level sensor, is lower than the pre-set value, it will
send stop signals and the corresponding alarm information will be
displayed on LCD.
When controller detects sensor, which connects to oil pressure sensor, is
open circuit, and the action selects "shutdown", it will send stop signals
and the corresponding alarm information will be displayed on LCD.
When controller detects sensor, which connects to fuel level sensor, is
open circuit, and the action selects "shutdown", it will send stop signals
and the corresponding alarm information will be displayed on LCD.
When genset operation time exceeds maintenance time that user pre-set
and the action selects "shutdown", it will send stop signals and the
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2019-04-10 Page 13 of 31