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Installation 2-9
Powering up the UPS
When the unit is plugged in for the first time, the UPS automatically initiates a
self-test. The front panel LED display lights will go on and off during the self-
test. If the self-test is completed successfully, the UPS enters Standby mode.
NOTE: The self-test initiates when the UPS is plugged in for the first time. Afterward,
when the UPS is disconnected from utility power, the unit will come back up in the mode
it was in when utility power was lost.
5 4 3 2 1
10 9 8 7 6
15 14 13 12 11
16171819
Figure 2-5. The front panel LED display and controls
Symbol
–
AC Input level Power cord
Site Wiring Fault indicator
–
Battery Charge level Battery
Battery Service indicator
–
Load level Load devices
Communications
ON LED
ON button
STANDBY button
TEST/ALARM RESET button