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Using the Control Panel
Reading the Status Indicators
9.5
The four symbols on the right side of the control panel are status indicators. They are
colored light emitting diode (LED) lamps, and they work in conjunction with the alarm
horn to let you know the operating status of the UPS.
Normal
Battery
Bypass
Alarm
For more information about audible horns, see "System Event Horns" on page 12-1.
9-48
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This green indicator is illuminated when the UPS is operating
in Normal mode. The power module is supplying power to
the critical load.
The indicator flashes when the system needs attention. The
LCD shows all active notices. Some notices may be
accompanied by an audible horn. To silence the horn,
a
ny control panel pushbutton once. The indicator may be
flashing while other indicators are illuminated. The indicator
continues to flash until acknowledged by pressing any
control panel pushbutton once.
This yellow indicator is illuminated when the UPS is operating
in Battery mode. Because Battery mode is a normal condition
of the UPS, the Normal indicator also remains illuminated.
This yellow indicator is illuminated when the UPS is operating
in Bypass mode. The critical load is supported by the bypass
source. The Normal indicator is not illuminated when the
system is in Bypass mode.
This red indicator is illuminated when a situation requires
immediate attention. The LCD shows the highest priority
active alarms. All alarms are accompanied by an audible
horn. To silence the horn, press any control panel
pushbutton once. The Alarm indicator may be illuminated
along with other indicators. The indicator flashes until
acknowledged by pressing any control panel pushbutton
once.
9390 UPS (100–160 kVA) Installation and Operation Manual S 164201554 Rev E powerware.com
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