Emerson GXT2U User Manual

This button controls output power to connected load(s) and has dual 

functions: Standby and Manual Bypass.

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.

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).

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.

The UPS ON indicator LED is illuminated when the UPS inverter is operating 

and supplying power to your connected loads.

The Battery indicator LED is illuminated when the UPS is operating on 

battery.

The AC Input indicator LED is illuminated when utility power is available 

and within the input specifications.

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.