Control Buttons; Lcd And Menu Buttons; Lcd Screen Types; Start Screen - Liebert ITA UPS 16kVA User Manual

3.1.3 Control Buttons

The operation and display panel provides five control buttons, which functions are described in Table 3-3.
Control button
EPO switch
Inverter on
Inverter off
Fault recovery on/off
Alarm sound silence
on/off

3.1.4 LCD And Menu Buttons

The operation and display panel provides an LCD and five menu buttons (F1, F2, F3, F4, HELP). Table 3-4 gives the
menu buttons function description.
LCD provides you with the user-friendly interface and the 320 × 240 dot matrix image display. The user-friendly and
menu-driven LCD allows you to easily browse through the input, output, load and battery parameters, learn about the
current UPS status and alarm message, perform functional setting and control operation. The LCD also stores up to
512 historical alarm records that can retrieve for reference and diagnosis.

3.2 LCD Screen Types

3.2.1 Start Screen

Upon UPS start, the UPS executes the system self-test, and the start screen will appear and remains about 15
seconds, as shown in Figure 3-2.
Table 3-3 Description of control buttons
Silk screen
Used to disconnect the load power, and close the rectifier, inverter, static
EPO
bypass and battery
ON Used to start the inverter
OFF Used to close the inverter
FAULT CLEAR Recover the UPS function (clear fault in advance)
When an audible alarm is active, pushing this button silences the audible
ALARM CLEAR
alarm. Press this button again can restart the buzzer
Table 3-4 Menu key functions description
F1
Key
ESC
Function 1
HOME Escape
Function 2
F2
F1
Figure 3-2 Start screen
Liebert ITA 16kVA/20kVA User Manual
Chapter 3 Operation And Display Panel
Description
F2 F3 F4
Left Right
Up Down
F3 F4
HELP
HELP
Enter
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