Controls and Indicators
13
4.0
C
ONTROLS
AND
I
NDICATORS
Buttons on the front panel display control the Liebert PSI XR. Eight LEDs on the panel indicate the
UPS’s status. Refer to
Figure 15
and
Table 2
.
Figure 15
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
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
Load Level
Battery Level
1
2
3
4
5
6
7
8
9
10
11
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Liebert UPS user manual