Liebert GXTRT Series Installation and User Manual
1-3 kVA UPS
Page 19
9/2005
Emerson Network Power
Operation
Table 3-1 LED indication
BATTERY indicator (green)
It illuminates when the UPS is on battery and the
battery voltage is not too high, flashes when the
battery is faulty or the charging voltage is too high
INVERTER indicator (green)
It illuminates when the inverter is in normal operation,
flashes when the inverter is faulty
BYPASS indicator (green)
It illuminates when the UPS is on bypass.
LINE indicator (green)
It illuminates when the mains input is normal, flashes
when abnormal, and goes off when it fails
ALARM indicator (red)
It is on in the event of a UPS fault, off otherwise.
The buzzer and the ten indicators combine to indicate the UPS operating status and faults, as
illustrated in Table 3-2:
Table 3-2 Audible alarm and LED indication of UPS operating status and fault
s
LED number (identified in Figure 3-1)
S/
N
Operating status
1
2
3
4
5
6
7
8
9
10
Audible alarm
1
0%~25%
load
●
●
●
None
2
26%~50%
load
●
●
●
●
None
3 51%~75%
load
●
●
●
●
●
None
4 76%~100%
load
●
●
●
●
●
●
None
5 101%~105%
load
●
●
●
●
●
●
●
None
6
Normal
mode
>105% load
●
●
●
●
●
●
●
Twice every 1s
7
0%~25% battery
capacity
●
●
●
Once every 1s
8
26%~50% battery
capacity
●
●
●
●
Once every 3.3s
9
51%~75% battery
capacity
●
●
●
●
●
Once every 3.3s
10
76%~95% battery
capacity
●
●
●
●
●
●
Once every 3.3s
11
>96% battery
capacity
●
●
●
●
●
●
●
Once every 3.3s
12
Battery
mode
>105% load
●
●
Twice every 1s
13 Shortcircuit
fault
●
●
Continuous
14 Charger
fault
●
●
Continuous
15 Overheating
fault
●
●
Continuous
16
Fan
failure
●
●
Once every 1s
17
Rectifier
fault
●
●
Continuous
18
Inverter
fault
●
¤
Continuous
19 Inverter
overload
●
●
●
●
●
●
Continuous
20
Battery overcharge
(in Normal mode)
●
●
¤
None
21
Battery overcharge (in Standby
state)
¤
None
22 No
battery
●
¤
6 times
●
ON; depending on other conditions;
¤
Flash
Note
LED 1 is yellow, LED 6 is red, others are green.
