OPERATION
EATON Powerware
®
5125 (9910-E65) UPS Installation Guide for IBM
®
Applications S 164201698 Rev 1
29
Normal Mode
During Normal mode, the
μ
indicator illuminates and the front panel
displays the percentage of UPS load capacity being used by the
protected equipment (see Figure 23). The UPS monitors and charges the
batteries as needed and provides power protection to your equipment.
>100%
76–100%
51–75%
26–50%
0–25%
Figure 23. Load Level Indicators
When all of the load level indicators and the indicator are illuminated,
power requirements exceed UPS capacity; refer to “Troubleshooting” in
the Powerware 5125 Rack-Mount UPS (5000/6000 VA) User’s Guide for
more information.
Battery Mode
When the UPS is operating during a power outage, the alarm beeps
intermittently, the
indicator illuminates, and the
μ
flashes. When
the utility power returns, the UPS transfers to Normal mode operation
while the battery recharges.
If battery capacity becomes low while in Battery mode, the
indicator
starts flashing and the alarm becomes continuous. 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. The
indicator flashes until the battery has
recharged to an acceptable level.
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