GE Industrial Solutions GPS4827 - Manual (Page 14)

Galaxy Power System GPS4827
12
minutes after a key is pressed. The information on the screen is updated
automatically approximately every two seconds.
The default screen displays the following: The first line shows the number of
alarms and warnings present in the system, the date, and the time. The next
two lines show the system voltage and the system load. The last line shows
the system mode, which can be one of the following:
• FLOAT
• BOOST
• STC (Slope Thermal Compensation)
• BATT TEST
LEDs
Two rows of LEDs show the source and severity of various alarms. An alarm
lights one status LED and one or more alarm LEDs. If more than one alarm
LED lights, the status LED that lights will indicate the most severe active
alarm.
• The first row includes four LEDs, labeled Alarm Status. They indicate
the severity of the reported alarm:
Critical
Major
Minor
Normal
The Battery on Discharge LED is also in this row.
• The second row has seven LEDs, labeled Equipment Status. They
indicate the source of the alarm:
AC System
Battery
Controller
Distribution
Rectifier
Remote Modules
The Modem LED illuminates when the internal modem is in use.
Test Jacks
A pair of test jacks allows direct measurement of the dc bus sense voltage
being monitored by the controller.