UPS OPERATING INSTRUCTIONS
EATON
Powerware
®
9395 UPS (650–825 kVA) Installation and Operation Manual
S
164201725 Rev 2
www.powerware.com
7−3
7.2.1
Status Indicators
The four symbols on the right side of the control panel are
status indicators
. These
colored light emitting diode (LED) lamps, work with the alarm horn to let you know
the operating status of the UPS.
Table 7-1 describes the status indicators.
Table 7-1. Status Indicators
Indicator
Status
Description
Green
On
The UPS is operating normally. The power module is supplying power to the critical load.
Off
The UPS is turned off.
Yellow
On
The UPS is in Battery mode. Because Battery mode is a normal condition of the UPS, the Normal indicator
also remains illuminated.
Yellow
On
The UPS is 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.
Red
On
The UPS has an active alarm and 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.
Flashing
There is a new UPS alarm condition. The indicator flashes until acknowledged by pressing any control
panel pushbutton once.
7.2.2
System Events
When the UPS system is running in Normal mode, it continually monitors itself and
the incoming utility power. In Battery or Bypass modes, the UPS may issue alarms to
let you know exactly what event caused the change from Normal mode. System
events on the UPS can be indicated by horns, lights, messages, or all three.
Select
EVENTS
from the menu bar on the main menu screen to look at the active
events screen. This screen shows any currently active alarms, notices, or commands.
For more information on using the events screen, see paragraph 7.2.6 on page 7−6.
S
System Event Horns
– The system event horn beeps to alert an operator that an
event needing attention is taking place. The horn cycles at a half−second rate.
S
System Event Indicators
– The status indicators on the UPS control panel work with
the event horn to let the operator know when the is operating in any mode other
than normal. Only the ON indicator is visible during normal UPS system operation.
The other indicators illuminate to indicate alarms or events. When an alarm occurs,
first check these indicators to see what type of event has taken place. For
descriptions of the status indicators, see paragraph 7.2.1.
S
System Event Messages
– When a system event occurs, a message appears on the
LCD in the UPS status area. This message is also written to the Active Events Log
and may be added to the History Log. The messages are divided into four
categories: alarms, notices, status, and commands.
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