Chapter 4 Display Panel; Led Display Panel; Ups State Indicators; Ups Load Battery Capacity And Fault Orientation Indicators - Liebert UHA1R-0100 User Manual

This chapter introduces the functions and use of the components on the UPS display panel, and provides LED
display information, control keys, indicators and LCD display information, including LCD screen types, detailed menu
messages, prompt windows message and UPS alarm list.

4.1 LED Display Panel

The LED display panel provides LED indicators and control keys, as shown in Figure 4-1.
The ten indicators are divided into two groups according to the applications.
1. UPS state indicators: fault indicator, mains indicator, battery indicator, bypass indicator and inverter indicator. The
fault indicator is red and other indicators are green.
2. UPS load battery capacity and fault orientation indicators: includes five indicators, of which four indictors are green
and one indicator is yellow. The yellow indicator indicates UPS load over-capacity or battery capacity extra-low.

4.1.1 UPS State Indicators

The UPS state indicators (see Figure 4-1) indicate the UPS operation and fault state, as described in Table 4-1.
Indicator No.
6
7
8
9 Inverter indicator
10 Bypass indicator

4.1.2 UPS Load Battery Capacity And Fault Orientation Indicators

The UPS load battery capacity and fault orientation indicators indicate the load situation of the UPS. In Battery mode,
they indicate battery capacity. Upon UPS failure, they work with the UPS state indicators to indicate fault type of the
UPS.

Chapter 4 Display Panel

7: Mains indicator
6: Fault indicator
2
1
ON/SILENCE key
Table 4-1 UPS state indicators
Indicator name Color
Fault indicator Red
Mains indicator Green
Battery indicator Green
Green
Green
Liebert
®
8: Battery indicator
9: Inverter indicator
OFF key
Figure 4-1 LED display panel
On in the event of fault, and off otherwise
On when the mains is normal, off during mains failure, and blinks when
mains voltage outside specifications
On when the battery is supplying power, off when the battery is not
supplying power, and blinks when the battery is faulty
On when the inverter is supplying power, and off otherwise
On when the bypass is supplying power, and off otherwise
ITA 10kVA UPS User Manual
Chapter 4 Display Panel
10: Bypass indicator
3
5
4
Description
33