Operate menu commands
All Operator commands are available from the OPERATE menu. The menu is available when the UPS has input power. The
UPS need not be supplying power to the load for the menu to be available. The graphic screen is not linked to data in this
view—touching a component will not cause it to display data.
Figure 5.16 OPERATE Menu — Operator Login
Silence an alarm
To silence an alarm, touch the Silence radio button at the top of the panel. The time the alarm will remain silenced varies,
depending on the UPS type, type of alarm, and configuration.
Inverter on
The Inverter On menu item is available when the UPS has input power and the inverter is OFF. Before executing the
command, verify that the UPS is prepared for the inverter to start. When the operator access is shown, commands are the
same for all access levels. The Vertiv™ Liebert® APM2 touchscreen control panel displays a message asking for confirmation.
Click OK to confirm, see Figure 5.17 on the next page. The control then displays a progress window while the inverter starts.
5 Operator Control and Display
Panel
Proprietary and Confidential ©2023 Vertiv Group Corp. 69
Vertiv™ Liebert® APM2 30 to 120 kVA Modular UPS User Manual
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