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4.9
Remote Emergency Power Off
The UPS is equipped with an Emergency Power Off circuit. A factory-installed jumper allows the UPS
to operate without an external shutoff switch.
If a Remote Emergency Power Off switch is required, a switch with normally closed contacts must be
used.
Connect the switch contacts to the UPS by removing the factory-installed jumper as shown in
Figure 15.
Figure 15 REPO connections
4.10
Self-Tests
4.10.1 Lamp Test
NOTE
This test involves putting the Liebert GXT3-10000T230 into bypass mode. The load is not
protected against any mains disturbance or interruptions while the UPS is in bypass mode.
1. With the Liebert GXT3-10000T230 connected to the mains, press the Menu button, select
Control and press OK.
Select UPS ON/OFF and press OK.
The LCD will show To BYPASS.
2. Press OK to switch the inverter to Bypass mode.
A system confirmation beep will sound.
4.10.2 Battery Test
NOTE
During the test a beep will sound as though the device is operating in battery mode.
1. Press the Menu button.
2. Select Control and press OK.
3. Select BATT TEST and press OK.
A system confirmation beep will sound and the load will be supplied by the battery.
If the test is successful, the BATT LED will turn off, and the UPS will return to Line mode. If the UPS
circuitry detects a battery malfunction, the system will display an alarm (see 4.2.1 - Controls and
Messages)
See Table 8 for battery test report messages:
Table 8
Battery test report messages
Menu entry
Battery test report
Display
In Progress
Test OK!
Test fail
22
Operation
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