HGM9580 BUS TIE BUS PARALLEL UNIT
HGM9580 Bus Tie Bus Parallel Unit ISSUE 2014-02-16 Version 1.0 Page 8 of 33
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
Off
Fast flashing
Running indicator: It is light on when both of bus 1 and bus 2 are normal; off when either of them
is abnormal.
Bus 1 normal light
：
It is light on when bus 1 is normal; off when bus 1 is abnormal.
Bus 2 normal light
：
It is light on when bus 2 is normal; off when bus 2 is abnormal.
