Battery Mode
When the UPS is operating during a power outage, the alarm beeps
once per second and the
displays the approximate percentage of battery capacity remaining (see
Figure 38).
When utility power returns, the UPS transfers to Normal mode operation
while the battery recharges.
If battery capacity becomes low while in Battery mode, the
starts flashing 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.
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.
®
EATON Powerware
9125 (9910-P30) UPS Installation Guide for IBM
+ ---
indicator illuminates. The front panel
>75%
>50%
>25%
3-Minute Warning
Shutdown Imminent
Figure 38. Battery Capacity Indicators
indicator flashes.
®
Applications
OPERATION
indicator
S
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