Liebert GXTTM - Manual (Page 6)

4
CONTROLS AND INDICATORS
Fault Indicator (Red)
The Fault indicator is illuminated if the UPS has detected a problem. Also, one or
more of the load/battery level indicators may be illuminated (refer to
Troubleshooting Guide).
BYPASS Indicator (Amber)
The BYPASS indicator is illuminated when the UPS is operating from BYPASS
power. An alarm will sound indicating the UPS detected a problem, or manually
set to BYPASS.
UPS ON Indicator (Green)
The UPS On indicator is illuminated when the UPS inverter is operating and
supplying power to your connected loads.
Battery Indicator (Amber)
The Battery indicator is illuminated when the UPS is operating from the battery
system.
AC Input Indicator (Green)
The AC Input indicator is illuminated when mains power is available and within
the input specification.
Load/Battery Level Indicators (4 Green, 1 Amber)
The Load/Battery Level indicators have dual functions. During NORMAL mode
operation LED indicators display the approximate electrical load placed upon the
UPS; and during battery mode operation LED indicators display approximate
battery capacity.
BYPASS
UPS ON
BATTERY
AC INPUT
UPS ON /
Alarm Silence /
Manual Battery Test
Output OFF /
Bypass
Load / Battery Level
Indicators
Fault Indicator