Liebert 100-1000A User Manual

The Liebert STS2 can be configured with a Color Graphical LCD touch screen that allows you to 

quickly check the status of the unit and identify problems.
A touch screen LCD is available through the front of the Liebert STS2. This screen provides a 

graphical (Mimic) display of the switch’s operation, plus system information including system 

parameters, alarms and faults.
The LCD provides a color, back-lit touch screen as a user interface. In addition to the Mimic and the 

system parameters, the screen provides a series of menus to allow you to configure the Liebert STS2, 

including the control of the preferred source, auto/manual retransfer selection, alarm notification, 

and other system setpoints. The touch screen also provides buttons to reset alarms and turn off 

audible alarms, such as a horn.

The Liebert STS2

Color Graphical Display provides three areas of information, plus buttons and a 

series of menu choices.
The Color Graphical Display contains the following features:

• Mimic — a graphical diagram of the status of the unit.
• Event controls — allow you to reset alarms and turn off audible alarms.
• Event Display — displays any active alarm or fault condition, in real-time.
• Menus — provide choices and configuration settings in dialog boxes or information in the display 

panel.

• Display panel — provides additional information, depending on the menu choice that was last 

selected. This information includes event help text and startup and bypass procedures.