83
Vertiv I Liebert ITA2 30kVA I Manual
3. Check if the battery is discharging: If the AC mains supply is within normal limits, the
battery should not be discharged; if you find that it is operating in Battery mode, determine
the reason (mains failure, battery test, operator intervention, etc.).
7.5
Checking UPS Functions
UPS functions check procedures may cause power interruption to load!
It is recommended to check the UPS functions once every half year.
Backup the load data before conducting the UPS functions check. Procedures are as follows:
1. Press the power button to check if the buzzer beeps, indicators are ON and the LCD
display is normal.
2. Press the ESC key to check again if the indicators are ON, the LCD display is normal and
the UPS has been transferred to the inverter mode.
