HGM9520N Genset Paralleled Controller User Manual Page 11 of 111
4
OPERATION
4.1
INDICATOR LAMP
Fig.1 HGM9520N Indicators
NOTE
: Description for parts of indicators:
Table 4 Alarm indicator Description
Alarm Type
Alarm Indicator
Warning
Slow flashing (1 time per second)
Block
Slow flashing (1 time per second)
Safety Trip
Fast flashing (5 times per second)
Safety Trip and Stop
Fast flashing (5 times per second)
Trip
Fast flashing (5 times per second)
Trip and Stop
Fast flashing (5 times per second)
Shutdown
Fast flashing (5 times per second)
No Alarm
Extinguished
Running indicator: is normally illuminated after crank disconnection and before ETS stop and
extinguished for other periods;
Gen normal indicator: is normally illuminated when the generator is normal; flashing when generator
state is abnormal; extinguished when there is no generating power.
Mains normal indicator: is normally illuminated when Mains is normal; flashing when Mains status is
abnormal; extinguished when Mains is off.
