beautypg.com

Front panel leds, Front panel leds -3 – HP R12000 XR User Manual

Page 19

background image

Operation

Front Panel LEDs

The front panel has five LEDs that indicate the status of the UPS.

1

2

3

4

5

Item

Description Symbol Meaning

1 Utility

Solid green

Normal operation

Rapidly flashing green—Ramp Up mode

Slowly flashing green

Standby mode (batteries charging)

2 Battery

Solid amber

On Battery

Flashing amber

Battery test in progress

3 Bypass

Solid amber

On Bypass

Flashing amber—Bypass not available

4 Alarm

Solid red

One or more alarms may be present or active

5 Redundant

Solid green

N+1 mode (one or more redundant electronics

modules operating in system)

Flashing green—Battery self-test initiated

Off

Non-redundant, not N+1 mode

Figure 2-3: Front panel LED display

NOTE: The LED lights cycle when no electronics modules are installed and utility is present. In
Standby mode, there is no output but the batteries will be charging. The time required to reach Standby
mode can range from 45 seconds to several minutes, depending on the state of charge of the batteries.

HP Uninterruptible Power System R12000 XR Models User Guide

2-3

HP CONFIDENTIAL Codename: Sierra Part Number: 146316-002 Last Saved On: 1/24/03 10:14 AM