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Controls and Indicators
15
4.0 CONTROLS AND INDICATORS
Buttons on the front panel display control the Liebert PSI XR. Eight LEDs indicate the UPS’s status.
Refer to Figure 16 and Table 2.
Figure 16 Display and status indicators
Table 2 Display and status indicators function, legend
Item Name Status Indicators Description
1 LED 1 AVR Boost UPS Operation in AVR Boost Mode
2 LED 2 AVR Buck UPS Operation in AVR Buck Mode
3 LED 3 Battery Condition Battery Fault/Weak
4 LED 4 Grounding/Site Wiring Fault UPS Grounding/Site Wiring Fault
5 LED 5 Overload UPS Overload
1 to 5 Load/Battery Level Indicate Load/Battery Level
6 Status Change Button
Switches Display from Load Level Indicators
to Battery Level Indicators
7 OFF Button UPS Off
8ON Button
Turn on UPS, Manual Self-Diagnostic (Normal Mode),
Silence Alarm (Battery Mode)
9 LED 9 Normal Mode UPS Operation in Normal Mode
10 LED 10 Battery Mode UPS Operation in Battery Mode
11 LED 11 UPS Fault UPS Fault
Load Level
Battery Level
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