Eaton 9155 UPS (8–15 kVA) User's Guide S 164201553 Rev G (www.eaton.com/powerquality)
57
Chapter 11 Operation
This chapter contains information on how to use the Eaton 9155, including front panel
operation, UPS startup and shutdown, operation of the maintenance bypass switch,
and configuring the UPS for Extended Battery Modules (EBMs).
Control Panel Functions
The UPS has a four-button graphical LCD with backlight. It provides useful information
about the UPS itself, load status, events, measurements, and settings (see
Figure 44).
Power On Indicator (green)
On Battery Indicator (yellow)
Bypass Indicator (yellow)
Alarm Indicator (red)
Control Buttons
for the LCD Menu Options
Figure 44. Eaton 9155 Control Panel
The following table shows the indicator status and description.
Indicator Status Description
Green
On The UPS is operating normally.
Flashing S The UPS is starting up or is shut down and waiting for power to return.
S A new information message is active.
S Bypass is not available.
Off The UPS is turned off and will not turn on automatically.
Yellow
On The UPS is in Battery mode.
Yellow
On The UPS is in Bypass mode.
Red
On The UPS has an active alarm.
Flashing There is a new UPS alarm condition. See “Troubleshooting” on page 79
for additional information.
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