Installation and User Manual
3.5 Operation on Battery Power
Figure 3-6: Transfer, Threshold and End of backup time.
Operation 3 — 986-86000-00 B00
3.5.1 Transfer to Battery Power
The load continues to be protected by the UPS when
the Normal AC source is not available. Power is
supplied by the battery.
There are three possible cases:
First Case: Operation on battery
LED is ON.
LED is ON.
The audio alarm beeps every 10 seconds.
◗ This indicate the load is supplied by the battery.
◗ The LCD display indicates the battery remaining
backup time.
Second Case: Low battery warning
LED is ON.
LED flashes.
The audio alarm beeps every 3 seconds.
◗ Low battery warning on LCD display. There is
very little remaining battery backup time. Close
all applications because UPS automatic
shutdown is pending.
Third Case: End of backup time
LED is OFF.
LED is OFF.
The audio alarm is stopped.
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