Emerson Liebert NX 10-30kVA - Manual (Page 69)

Operator Control and Display Panel
61
8.2 Mimic Display Indicators
The Mimic display on the front panel consists of six indicators arranged in a single-line diagram
depicting the various paths of UPS power, as shown in Figure 48.
Figure 48 Mimic display indicators location
The current operational status of the Liebert NX is indicated by the color of the indicators—green,
amber or red—and whether they are ON (solid), flashing or OFF. Table 18 provides a guide to inter-
preting the various states of the indicators.
Table 18 Mimic display status indicators
Indicator
(see
Figure 48) Green Flashing Green / Amber Red Off
1. Rectifier
Load on rectifier Flashing Green: Utility normal,
but rectifier not operating
Rectifier fault Rectifier is normal, but utility is
abnormal
2. Battery
Battery powering
the load
Flashing Green: Battery pre-
warning (low battery)
Battery or battery
converter abnormal*
Battery and converter are
normal, and battery is not
discharging
3. Bypass
Load on Bypass
power
—
Bypass out of
normal range
Bypass Normal
4. Inverter
Inverter powering
the load normally
Flashing Green: Inverter on
standby
Inverter fault Inverter normal, but off
5. Load
UPS output on
—
UPS output
overloaded
UPS no output power
6. Status
No alarms—UPS
working normally
Amber: UPS has a general
alarm
UPS has a serious
alarm
—
* Battery or battery converter abnormal events include these event messages (see Table 44 in Appendix A): No Battery, Battery Replaced,
Battery Reverse, Batt. Conv. Over. Curr., Batt. Converter Fault, Batt. Converter Overtemp.
Mimic indicators
1. Rectifier indicator
2. Battery indicator
3. Bypass indicator
4. Inverter indicator
5. Load indicator
6. Status indicator
EPO
INVERTER ON INVERTER OFF
FAULT CLEAR SILENCE ON/OFF
Liebert NX 2006-01-22 12:30:36
30KVA-3X3 Unit #1 Normal
?
Bypass Main
Vphase V
Iphase A
Freq. Hz
Vline V
P. F.
A(AB)
120
20.5
50.1
208
0.99
B(BC)
120
20.5
50.1
208
0.99
C(CA)
120
20.5
50.1
208
0.99
F2 F4 HELP F1 F3
Output
Input Breaker Closed 01-12 12:28:16
Manual Turn On 01-12 12:30:06
UPS in Normal Mode 01-22 12:30:16
1
2
3 4
5 6