Troubleshooting
5-12
HP UPS R12000 XR Models Maintenance and Service Guide
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Codename: Sierra Part Number: 221273-001 Last Saved On: 7/31/02 8:59 AM
Table 5-3: Troubleshooting Problems After UPS Startup
continued
Symptom
Possible Cause
Actions to Take
Audible alarm sounds.
Battery LED and Alarm LED
are lit.
Redundant LED is off.
UPS is on battery.
Do one of the following:
•
Scroll through the LCD
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.
Audible alarm sounds.
Battery LED, Alarm LED, and
Redundant LED are lit.
UPS is on battery.
Do one of the following:
•
Scroll through the LCD
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.
UPS frequently switches
between utility and battery
power.
The utility voltage is frequently
outside the UPS operating
range.
Update the configuration.
Utility LED and Redundant
LED are lit.
UPS is on utility.
The UPS is operating
normally.
The system is configured to
run in Redundant mode and is
operating within normal load
limits.
Audible alarm sounds.
Utility LED and Alarm LED are
lit.
UPS is on utility.
Redundant mode is not
available and the Loss of
Redundancy alarm is present.
Reduce the load and verify
that no other alarms are
present.
Utility LED is lit.
UPS is on utility.
No action is required. The
UPS is operating normally.
The system is configured to
run in Nonredundant mode
and is supporting between a
9 KVA and 12 KVA load.