Emerson 1000 User Manual

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.

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

8

ON  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