HGM6100LT Series Genset Controller User Manual                                                                  Page 12 of 50 
4.4  MANUAL START/STOP OPERATION 
1)  HGM6120LT:  Manual  Mode  is  active  when  press and  its  indicator  illuminates.  Under  this 
mode, press    to start genset, it can automatically detect crank disconnect and accelerate to 
high speed running. If there is high temperature, low oil pressure, over speed and abnormal voltage 
during  genset  running,  controller  can  protect  genset  to  stop  (detail  procedures  please  refer  to 
No.4~9  of  Auto  start  sequence).  Under  Manual  Mode,  switch  won’t  transfer  automatically,  it  is 
necessary to manually press    to transfer load. 
2)  HGM6110LT: Manual Mode is active when pressing , and its indicator is illuminating. Then 
press    to start genset, it can automatically detect crank disconnect and accelerate to high 
speed  running.  If  there  is  high  temperature,  low  oil  pressure,  over  speed  and  abnormal  voltage 
during  running,  controller  can  protect  genset  to  stop  quickly  (detail  procedures  please  refer  to 
No.4~9 of Auto start sequence). After genset runs well in high speed, press    and gen takes 
load. 
3)  Manual stop, pressing    can shut down the running genset (detail procedures please refer to 
No.3~7 of Auto stop sequence). 
4.5  EMERGENCY START 
In  manual  mode,  pressing    and    simultaneously  can  compel  genset  to  start.  The 
controller won’t judge whether the controller has started successfully according to disconnect conditions 
and  the  disconnection  of  starter  is  controlled  by  operators.  When  operators  observed  the  genset  has 
started successfully, loose the keys and the controller enters safety delay with start stops to output.