Troubleshooting

 

Table 5-3: Troubleshooting problems after UPS startup continued

 

 

 

Symptom

Possible Cause

Suggested Action

 

 

 

 

 

 

All LEDs flash on and off

Autocalibration is in process.

Wait for continuous Utility

 

together.

 

LED.

 

 

 

 

 

 

Redundant LED and audible

Redundancy mode is not

Reduce output load to allow

 

alarm frequently turn on and

available.

system to remain in

 

off.

 

Redundancy mode.

 

 

 

 

 

 

Audible alarm sounds.

UPS is on bypass.

Do one of the following:

 

Bypass LED and Alarm LED

 

• Scroll through the LCD

 

are lit.

 

 

menu to view current

 

 

 

 

alarms.

 

 

 

•

Use the power

 

 

 

 

management software to

 

 

 

 

view the alarm history to

 

 

 

 

determine the reason for

 

 

 

 

the transfer to Bypass

 

 

 

 

mode.

 

 

 

 

 

 

Audible alarm sounds.

UPS is on battery.

Do one of the following:

 

Battery LED and Alarm LED

 

• Scroll through the LCD

 

are lit.

 

 

menu to view current

 

Redundant LED is off.

 

 

alarms.

 

 

 

 

 

 

 

 

•

Use the power

 

 

 

 

management software to

 

 

 

 

view the alarm history to

 

 

 

 

determine the reason for

 

 

 

 

the transfer to Battery

 

 

 

 

mode.

 

 

 

 

 

 

Audible alarm sounds.

UPS is on battery.

Do one of the following:

 

Battery LED, Alarm LED, and

 

• Scroll through the LCD

 

Redundant LED are lit.

 

 

menu to view current

 

 

 

 

alarms.

 

 

 

•

Use the power

 

 

 

 

management software to

 

 

 

 

view the alarm history to

 

 

 

 

determine the reason for

the transfer to Battery mode.

continued

HP Uninterruptible Power System R12000 XR Models User Guide

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