HGM9560 BUS TIE MAINS PARALLEL UNIT
HGM9560 Bus Tie Mains Parallel Unit ISSUE 2013-12-30 Version 1.0 Page 10 of 51
4 OPERATION
4.1 INDICATOR LIGHT
NOTE: Selected light indicators description:
Warning indicator and Alarm indicator:
Alarm Type
Warning Indicator
Alarm Indicator
Warning
Slow flashing
Slow flashing
Trip Alarm
Slow flashing
Slow flashing
Shutdown Alarm
Off
Fast flashing
Trip and Stop Alarm
Off
Fast flashing
Running indicator: illuminated from crank disconnect to ETS while off during other periods.
Bus normal light
:
It is light on when bus is normal; flashing when bus state is abnormal; off when
there is no bus power.
Mains normal indicator: It is illuminated when mains is normal; flashing when mains state is
abnormal; off when there is no mains power.