Operation and Display Panel
21 Liebert
®
GXT4
™
User Manual
3.0 Operation and Display Panel
This chapter describes the Liebert GXT4 controls, particularly the operation and display panel on the front
of the Liebert GXT4. The panel has four control buttons, seven LED indicators and a liquid crystal display
(LCD), as shown in Figure 3-1.
Figure 3-1 Operation and display panel
3.1 LED Indicators
The seven LED indicators on the front of the operation and display panel are:
• Inverter
• Battery
• Bypass
•ECO Mode
•Fault
Figure 3-1 shows the indicators’ locations; their descriptions and functions are shown in Table 3-1.
Table 3-1 LED indicators
LED Indicators LED Color Description
Inverter Green On when the inverter is supplying power
Bypass Amber
On when the load is supplied by the mains through
automatic/manual bypass
Battery Amber On when the load is supplied by the battery
Fault Red On when an error has occurred within the UPS
ECO Mode Green On when the UPS is in ECO Mode
ESC
Button
UP Button
Bypass
Indicator
DOWN Button
ECO Mode
Indicator
LCD
Panel
Battery Indicator
Fault
Indicator
Inverter Indicator
Enter
Button
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