4. Operation
4.1 Start-up and normal operation
To start the UPS:
1. Verify that the UPS power cord is plugged in.
2. Press the button on the UPS control panel for at least two seconds.
3. Check the UPS LCD window display for active alarms.
If the indicator is on, do not proceed until all alarms are cleared.
Correct the alarms and restart if necessary.
4. Verify that the indicator illuminates, indicating that the UPS is operating normally and any loads are powered and
protected.
4.2 Starting the UPS on battery
Before using this feature, the UPS must have been powered by utility power with output enabled
at least once.
To start the UPS on battery:
1. Press the button on the UPS control panel until the UPS LCD window display illuminates.
The UPS cycles through Standby mode to Battery mode. The indicator illuminates.
The UPS supplies power to your equipment.
2. Check the UPS LCD window display for active alarms. Resolve any active alarms before continuing.
See "5.1 Troubleshooting", page 13.
4.3 UPS shutdown
To shut down the UPS:
1. Press the button on the UPS control panel for three seconds.
2. The audio alarm beeps and shows a status of "UPS shutting OFF...". The UPS then transfers to Standby mode and the
indicator turns o.
3. The audio alarm stops.
4.4 Operation on battery power
Transfer to battery power
• The connected devices continue to be supplied by the UPS when AC input power is no longer available.
The necessary energy is provided by the battery.
• The indicator illuminates.
• The audio alarm beeps every 10 seconds.
The connected devices are supplied by the battery.
Low-battery warning
• 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.
End of battery backup time
• LCD displays "End of backup time."
• All the LEDs go o.
• The audio alarms stops.
4.5 Return of AC input power
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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