Page 20 620-00082-01-us (en)4. Operation4.1 Start-up and Normal operationTo start the UPS:1. Verify that the UPS power cord is plugged in.2. The UPS front panel display illuminates and shows EATON logo.3. Verify that the UPS status screen shows .4. Press the button on the UPS front panel for at least 2 seconds.The UPS front panel display changes status to "UPS starting...".5. Check the UPS front panel display for active alarms or notices. Resolve any active alarms beforecontinuing. See "Troubleshooting" on page 22.If the indicator is on, do not proceed until all alarms are clear. Check the UPS status from the frontpanel to view the active alarms. Correct the alarms and restart if necessary.6. Verify that the indicator illuminates solid, indicating that the UPS is operating normally and any loadsare powered and protected.The UPS should be in Normal mode.4.2 Starting the UPS on BatteryBefore using this feature, the UPS must have been powered by utility power with output enabledat least once.Battery start can be disabled. See the "Cold start" setting in "ON/OFF Settings" on page 13.To start the UPS on battery:1. Press the button on the UPS front panel until the UPS front panel display illuminates and showsa status of "UPS starting...".The UPS cycles through Standby mode to Battery mode. The indicator illuminates solid.The UPS supplies power to your equipment.2. Check the UPS front panel display for active alarms or notices besides the "Battery mode" noticeand notices that indicate missing utility power. Resolve any active alarms before continuing.See "Troubleshooting" on page 22.Check the UPS status from the front panel to view the active alarms. Correct the alarms and restartif necessary.4.3 UPS ShutdownTo shut down the UPS:Press the button on the front panel for three seconds.The UPS starts to beep and shows a status of "UPS shutting OFF...". The UPS then transfers to Standbymode, and the indicator turns off.4.4 Operation on Battery PowerTransfer 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 and indicator illuminates solid.• The audio alarm beeps every ten seconds.The connected devices are supplied by the battery.