HGM400 Series Genset Controller User Manual 
HGM400 Series Genset Controller          ISSUE 2015-05-27        Version 1.6          Page 14 of 44 
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. 
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. 
When  the  controller  detects  that  the  fuel  level  has  fallen 
below  the  pre-set  value  while  shutdown  is  prohibited,  or 
detects that the Aux. input low fuel level while shutdown is 
prohibited,  it  will  initiate  a  warning  alarm  and  the 
corresponding alarm information will be displayed on LCD. 
When the controller detects that charger voltage has fallen 
below the pre-set value, it will initiate a warning alarm and 
the  corresponding  alarm  information  will  be  displayed  on 
LCD. 
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. 
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. 
When the controller detects that the auxiliary input warning 
signals, it will initiate a warning alarm and the corresponding 
alarm information will be displayed on LCD. 
When the controller detects that the engine speed is 0 and 
the  delay  is  0,  it  will  initiate  a  warning  alarm  and  the 
corresponding alarm information will be displayed on LCD. 
When  the  controller  detects  the  low  coolant  level  input  is 
active, it will initiate a warning alarm and the corresponding 
alarm information will be displayed on LCD. 
When the controller detects that the temperature sensor is 
open  circuit  and  the  action  select  “Warn”,  it  will  initiate  a 
warning 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  “Warn”,  it  will  initiate  a 
warning alarm and the corresponding alarm information will 
be displayed on LCD.