User's Manual
Table Of Contents
- Important Safety Information
- 1 PSA5 Description
- 2 Installation
- 3 Operation
- 4 Maintenance and Battery Replacement
- 5 Specifications
- Appendices
3.1.6 Battery Self-test Mode
The UPS enters a cycle of approximately 10 seconds during which it tests the internal battery. The
battery-backed-up outlets are still temporarily powered by the internal battery. Self-test mode occurs at
the following instances:
• At start-up turning the UPS On.
• Automatically every 8 weeks as a self-check.
• Manually by pressing and holding the power button for 3 seconds when the unit is On.
3.2 Controls
Figure 3.1 Buttons on the front panel
ITEM DESCRIPTION
1
Power button.
• Press-and-hold for 1 second to cycle between On and Off mode.
• Press-and-hold for 3 seconds to enter Battery Self-test mode.
• Press quickly to wake the display
2
Silence Battery-mode Alarm button.
• Press-and-hold for 2 seconds during On/Battery mode to mute the battery-alarm beep.
• Press quickly to wake the display.
3
Scroll button.
• When the UPS is On, press to cycle through UPS operating parameters.
• Press quickly to wake the display.
Table 3.1 Button Controls
Vertiv | Liebert® PSA5™ Installer/User Guide
12