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

Red—Battery is bad or low.

 

Battery (

 

 

 

)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

Site Wiring Fault

Red—No ground connection exists between utility power and the UPS,

 

Indicator (

)

 

 

 

the line and neutral connections between utility power and the UPS

 

 

 

 

 

 

 

 

 

 

 

 

are reversed, or the UPS voltage configuration is incorrect.

continued

HP Uninterruptible Power System R1500 XR Models User Guide

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HP Uninterruaptible Power System R1500 XR Models 217823-002 manual Operation, Front Panel Controls and LED Indicators