Standby/Manual Bypass Button
This button controls output power to connected load(s) and has dual functions: Standby and Manual Bypass.
! CAUTION
While the UPS is in Normal Mode operation, pressing the Standby/ Manual Bypass button once will put the UPS into Bypass Mode. Once the UPS is in Bypass Mode operation, press the Standby/ Manual Bypass button two distinct times (for about one second each time) to turn off the UPS. Perform all necessary shutdown procedures on connected loads before turning off the UPS.
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.
The Liebert GXT2U is equipped with automatic and remote battery test features. The automatic test occurs every 14 days (this option is user configurable) if utility has not been interrupted. Should the battery fail this test, the red Fault indicator LED along with the A and C diagnostic LEDs will illuminate and an alarm will sound (refer to Troubleshooting section). The remote test feature functions with Liebert MultiLink 3 software and can remotely initiate the battery test.
Fault Indicator LED (Red)
The Fault indicator LED 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 section).
Bypass Indicator LED (Amber)
The Bypass indicator LED is illuminated when the UPS is operating from bypass power. An alarm will sound indicating the UPS detected a problem, or the manual bypass function has been activated.
UPS ON Indicator LED (Green)
The UPS ON indicator LED is illuminated when the UPS inverter is operating and supplying power to your connected loads.
Battery Indicator LED (Amber)
The Battery indicator LED is illuminated when the UPS is operating on battery.
AC Input Indicator LED (Green)
The AC Input indicator LED is illuminated when utility power is available and within the input specifications.
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