HGM400 Series Genset Controller User Manual 
HGM400 Series Genset Controller          ISSUE 2015-05-27        Version 1.6          Page 18 of 44 
open circuit and the action select “Shutdown”, it will initiate a 
shutdown alarm and the corresponding alarm information will 
be displayed on LCD. 
When the controller detects that the oil pressure sensor is 
open circuit and the action select “Shutdown”, it will initiate a 
shutdown alarm and the corresponding alarm information will 
be displayed on LCD. 
When  the  controller  detects  that  the  level  sensor  is  open 
circuit  and  the  action  select  “Shutdown”,  it  will  initiate  a 
shutdown alarm and the corresponding alarm information will 
be displayed on LCD. 
If the config. sensor set as temperature sensor, When the 
controller detects that the temperature sensor is open circuit 
and the action  select “Shutdown”, it  will initiate  a  shutdown 
alarm  and  the  corresponding  alarm  information  will  be 
displayed on LCD. 
Oil  Pressure 
Sensor 2 Open 
If the  config. sensor set  as oil pressure sensor, When the 
controller detects that the oil pressure sensor is open circuit 
and the action  select “Shutdown”, it  will initiate  a  shutdown 
alarm  and  the  corresponding  alarm  information  will  be 
displayed on LCD. 
If the config. sensor set as level sensor, When the controller 
detects that the level sensor is open circuit and the action 
select  “Shutdown”,  it  will  initiate  a  shutdown alarm and the 
corresponding alarm information will be displayed on LCD. 
When the controller detects that config. sensor temperature 
(sensor type: temperature sensor) has exceeded the pre-set 
value, it will initiate a shutdown alarm and the corresponding 
alarm information will be displayed on LCD. 
When the controller detects that config. sensor oil pressure 
(sensor  type:  oil  pressure  sensor)  has  fallen  below  the 
pre-set  value,  it  will  initiate  a  shutdown  alarm  and  the 
corresponding alarm information will be displayed on LCD. 
When  the  controller  detects  that  config.  sensor  fuel  level   
(sensor  type:  level  sensor)  has  fallen  below  the  pre-set 
value, it will initiate a shutdown alarm and the corresponding 
alarm information will be displayed on LCD. 
When  genset  running  time  has  exceeded  the  user  setting 
maintenance time  and the  action  select  “Shutdown”,  it  will 
initiate  a  shutdown  alarm  and  the  corresponding  alarm 
information  will  be  displayed  on  LCD.  The  maintenance 
alarm will reset if the action select “Inactive”.