HGM6100U Series Automatic Control Module 
HGM6100U Automatic Genset Controller      ISSUE 2014-10-28   Version 1.2     Page 12 of 39 
4.4 MANUAL START/STOP OPERATION 
1)  HGM6120UC,  Auto  Mode  is  active  when  press and  its  indicator  illuminates. 
Press ,  then  controller  enters  into  “Manual  Test  Mode”  and  its  indicator  is 
illuminating. Under both of the modes, 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  operation).  Under  Manual  Mode,  switch  won’t  transfer 
automatically, it is necessary to press to transfer load. Under “Manual Test Mode”, 
after genset runs well in high speed, no matter mains is normal or not, loading switch 
will be transferred to gens. 
2)  HGM6110UC,  Auto  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 
operation). After genset runs well in high speed, press and gens take load. 
3)  Manual  stop,  pressing can  shut  down  the  running  genset  (detail  procedures 
please refer to No.3~7 of Auto stop operation).