Battery Mode - Powerware 9125 User Manual

Operation

Battery Mode

When the UPS is operating during a power outage, the alarm beeps
once per second and the   indicator illuminates. The front panel
displays the approximate percentage of battery capacity remaining (see
Figure 29). When the utility power returns, the UPS switches to Normal
mode operation while the battery recharges.
If battery capacity becomes low while in Battery mode, the
flashes and the alarm sounds continuously, indicating approximately
three minutes of battery time remaining. When shutdown is imminent,
the
NOTE Depending on the UPS load, the 3-minute warning may occur before the
batteries reach 25% capacity; the front panel immediately displays the 3-minute
warning. For UPS and Extended Battery Module run times, see Table 10 on page 65.
These warnings are approximate, and the actual time to shutdown may
vary significantly. Once these warnings are indicated, immediately
complete and save your work to prevent data loss and similar
difficulties. When utility power is restored after the UPS shuts down, the
UPS automatically restarts.
44
Figure 29. Battery Capacity Indicators
indicator flashes.
Powerware 9125 User's Guide (2500–3000 VA)
®
>75%
>50%
>25%
3-Minute Warning
Shutdown Imminent
:
Rev B www.powerware.com
indicator