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HP Uninterruptible Power System R1500 XR Models User Guide 2-1
2
Operation
This chapter contains information on operating the UPS. Topics include the front panel
controls, LED indicators, and modes of operation. Knowledge of these features is helpful
when configuring and troubleshooting the unit.
NOTE: For installation considerations and procedures, refer to the instructions included with the UPS.
Copies of this document can be downloaded from www.hp.com.
Front Panel Controls and LED Indicators
The front panel controls and LED indicators provide an easy-to-use interface for UPS
configuration and monitoring.
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Figure 2-1: Front panel controls and LED indicators
Item Description Meaning/Function
1 General Alarm (
) Red—UPS detects a general alarm. Perform a self-test.
2 On Battery (
) Red—UPS is running on battery power.
3 Bad Battery/Low
Battery (
)
Red—Battery is bad or low.
4 Site Wiring Fault
Indicator (
)
Red—No ground connection exists between utility power and the UPS,
the line and neutral connections between utility power and the UPS
are reversed, or the UPS voltage configuration is incorrect.
continued