Emerson 000-VA Manuel D’Utilisation

This button controls output power to connected load(s) and has three functions:

• ON
• Alarm  Silence
• Manual  Battery  Test

ON - Pressing this button for four seconds will start the UPS.
Alarm Silence - To silence alarms, press this button for at least one second. After the 

alarm is silenced, the Liebert GXT3 will reactivate the alarm system to alert of 

additional problems.

Manual Battery Test - To initiate a manual battery test, press the ON button for at least one second 

while operating from mains power with no alarm conditions present. 

• If only three of the five Battery LEDs illuminate, allow the UPS to recharge the batteries for 24 

hours.

• After 24 hours, retest the batteries.
• After the batteries have been retested, if only three of the five Battery LEDs illuminate, contact 

your local dealer, Emerson

®

 representative or Emerson Channel Support.

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

Standby and Manual Bypass.

Pressing the Standby/Manual Bypass button once will transfer the load to bypass 

power and the load will be unprotected from disturbances in utility supply. Pressing 

the Standby/Manual Bypass button twice within 4 seconds while on Bypass will cut 

NOTE
The LOW BATTERY and BYPASS reminder alarms CANNOT be silenced.

GXT3

AC Power System

10000VA

Battery Level Indicators

Load Level Indicators

Bypass Indicator
Inverter Indicator

Battery Indicator

Standby/Manual Bypass Button

On/Alarm Silence/Manual 
Battery Test Button

AC Input Indicator

Fault Indicator