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22 Eaton Tripp Lite Series SmartPro User Guide 614-40194—Rev 04
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The Eaton Tripp Lite Series SmartPro front panel indicates the UPS status through the UPS indicators located
above the LCD screen.
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When the green sinewave symbol is illuminated, the UPS is providing protected AC power output. The UPS
monitors and charges the batteries as needed and provides power protection to your equipment.
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When the UPS is operating during a power outage, the alarm beeps once every ten seconds and the indicator
illuminates solid. The necessary energy is provided by the battery.
When the utility power returns, the UPS transfers to Normal mode operation while the battery recharges. If
battery capacity becomes low while in Battery mode, the audible alarm beeps once every three seconds.
This warning is approximate, and the actual time to shutdown may vary significantly; gracefully shutdown all
applications on connected equipment due to imminent UPS shutdown.
When utility power is restored after the UPS shuts down, the UPS automatically restarts.
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• The
indicator illuminates solid.
• The audio alarm beeps every three seconds.
The remaining battery power is low. Shut down all applications on the connected equipment because
automatic UPS shutdown is imminent.
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• LCD displays "BACKUP END MODE".
• All the LEDs go OFF.
• The audible alarm stops.
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Following an outage, the UPS restarts automatically when AC input power returns (unless the restart function
has been disabled) and the load is supplied again.
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Automatic battery tests are done every month.
During the test, the UPS transfers to Battery mode and discharges the batteries for 10 seconds under load.
Battery mode is not displayed and battery low alarm does not activate during a battery test.
The battery test may be postponed due to bad conditions, or failed if battery is not ok.
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During discharge, the low battery alarm is activated if the remaining runtime goes below 3 minutes or less than
the setting capacity threshold (0% by default).
This threshold can be modified.
Operating modes
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