3. Operation
3.3Operation on battery power (following failure of AC input power)
Transfer to battery power
1
2
The
The equipment connected to the UPS is supplied by the battery.
22
Threshold for the low-battery warning
1
2
The
LED 22 flashes.
The buzzer beeps every three seconds.
There is very little remaining battery backup time. Close all
22applications because UPS automatic shutdown is imminent.
End of backup time
%
test 
1
2
The buzzer sounds continuously.
Press button 17 to turn the buzzer OFF.
17
The equipment is no longer supplied with power.
Sleep mode
The UPS goes to sleep mode at the end of the battery backup time (LEDs 12 to 15 ON) until complete shutdown due to tripping of the
Return of AC input power:
If, in spite of the return of AC input power, the UPS does not restart, check that the
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