OPERATION
EATON
Powerware
®
BladeUPS
®
(12 kVA) User's Guide
S
164201649 Rev 3
www.powerware.com
77
Battery Mode
When the UPS is operating during a power outage, the alarm beeps
once every five seconds and the
indicator illuminates solid.
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
flashes slowly and the audible alarm becomes continuous. If the Battery
Low alarm is set, the
indicator also illuminates solid. This warning is
approximate, and the actual time to shutdown may vary significantly.
NOTE
Depending on the UPS load and the number of Extended Battery Modules (EBMs),
the Battery Low warning may occur before the batteries reach 25% capacity. See Table 16 on
page 118 for estimated runtimes.
When utility power is restored after the UPS shuts down, the UPS
automatically restarts.
Bypass Mode
In the event of a UPS overload or internal failure, the UPS transfers your
equipment to utility power. Battery mode is not available and your
equipment is not protected; however, the utility power continues to be
passively filtered by the UPS. The
indicator illuminates.
The UPS transfers to Bypass mode when:
S
The user activates Bypass mode through the front panel.
S
The UPS detects the control panel being disconnected from the
electronics module.
S
The UPS detects the electronics module being replaced.
S
The UPS detects an internal failure.
S
The UPS has an overtemperature condition.
S
The UPS has an overload condition listed in Table 13 on page 116.
Standby Mode
When the UPS is turned off and remains plugged into a power outlet,
the UPS is in Standby mode. The
indicator is off, indicating that
power is not available to your equipment. The battery recharges when
necessary.
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