HGM7100N GENSET CONTROLLER USER MANUAL 
HGM7100N Genset Controller                        2020-09-10                      Version1.2                Page 13 of 47 
6  PROTECTION 
6.1  WARNINGS   
When controllers detect the warning signals, it only issues warnings, not stops the genset.   
Table 5 - Warning Alarms Types 
When  the  controller  detects  that  the  speed  of  genset  exceeds  the 
pre-set value, it will initiate a warning alarm. 
When the controller detects that the speed of genset falls below the 
pre-set value, it will initiate a warning alarm. 
When the controller detects that the speed of genset is zero and action 
select “Warning”, it will initiate a warning alarm. 
When the controller detects that the frequency of genset exceeds the 
pre-set value, it will initiate a warning alarm. 
When the controller detects that the frequency of genset falls below 
the pre-set value, it will initiate a warning alarm. 
When  the controller detects that the  voltage  of  genset  exceeds  the 
pre-set value, it will initiate a warning alarm. 
When the controller detects that the voltage of genset falls below the 
pre-set value, it will initiate a warning alarm. 
When  the  controller detects  that  the  current  of  genset  exceeds  the 
pre-set value, it will initiate a warning alarm. 
If engine does not stop completely when fail to stop delay expired, it 
will initiate a warning alarm. 
When the controller detects that the voltage of charger falls below the 
pre-set value, it will initiate a warning alarm. 
When the controller detects that the battery voltage of genset exceeds 
the pre-set value, it will initiate a warning alarm. 
When  the  controller  detects  that  the  battery  voltage  of  genset  falls 
below the pre-set value, it will initiate a warning alarm. 
When maintenance countdown is zero and action select “Warning”, it 
will initiate a warning alarm. 
When  controller  detects  that  the  reverse  power  value  (power  is 
negative) of genset exceeds the pre-set value, and action type select 
“Warning”, it will initiate a warning alarm. 
When  controller  detects  that  the  power  value  (power  is  positive) of 
genset exceeds the pre-set value, and action type select “Warning”, it 
will initiate a warning alarm. 
When  controller  detects  that  the  phase  of  generator  is  loss,  it  will 
initiate a warning alarm. 
When  controller  detects  that  the  phase  sequence  of  generator  is 
wrong, it will initiate a warning alarm.