3.7 Normal Start-up
• With the UPS connected to AC input, press-and-hold the power button for 1 second.
A long tone and 2 short beeps sound while the UPS is in battery self-test mode for a few
seconds. After a successful self-test, the outlets are on.
3.8 Normal Shut-down
1. Press-and-hold the power button for 1 second.
The outlets are turned off.
2. Disconnect AC-input power.
3. Remove the battery cover and disconnect the battery connector.
3.9 Full Shut-down
1. Press-and-hold the power button for 1 second.
The outlets are turned off.
2. Disconnect AC-input power.
3. Remove the battery cover and disconnect the battery connector.
The unit is fully shut down.
Vertiv | Liebert® PSA5™ Installer/User Guide | 15
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