38 Chapter 5 UPS Operation Instructions
Liebert
®
ITA 5kVA And 6kVA UPS User Manual
to remind you to inspect the battery connection. At this moment, the UPS cannot start up. After the battery connection
fault is removed, press and hold the ON/SILENCE key for more than four seconds to silence the alarm and start up the
UPS. The indicators states are shown in Figure 5-4. If the battery voltage is extra high, only the BATTERY indicator will
blink.
Note
1. When the battery is not connected, the UPS can start up normally, but the FAULT indicator will turn on and the buzzer will beep to
prompt the user to check the battery conncection.Press the ON/SILENCE key for four seconds to silence the alarm.
2. If the working status of the UPS is changed, the alarm will be triggered, the user should power off the UPS to deal with the battery
connection fault, and the alarm will be removed.
Figure 5-49 Indicators states
5.4.2 Battery Manual Self-Test
Battery manual self-test includes battery in-position test and battery state test.
In normal state, when the mains is normal, the rectifier output is not overloaded, meanwhile, the battery voltage is not
less than 12V, press and hold the ON/SILENCE key for four seconds, the battery will start self-test, the BATTERY
indicator will turn on. After the self-test, the BATTERY indicator will turn off. Upon battery fault (battery not connected
or battery failure), the FAULT indicator will turn on and BATTERY indicator will blink, as shown in Figure 5-5.
Figure 5-50 Indicators states
5.4.3 Battery Periodic Self-Test
You can set self-test period of the battery through the monitoring software, which includes disabled, 3-month, 6-month,
9-month and 12-month.
In normal state, when the mains input is over 176V, the rectifier operates normally, and single cell voltage is not lower
than 12V, the battery will conduct periodic self-test if the set self-test periodic time arrives. The BATTERY indicator will
