UPS R3000 XR Models User Guide

Troubleshooting
5-4 HP Uninterruptible Power System R3000 XR Models User Guide
Alarm Troubleshooting
Table 5-3 lists the possible alarms of the UPS. For each alarm listed in the table, an
explanation of the cause is provided, as well as a recommended action to take to resolve the
problem. For a detailed listing and location of each LED, refer to the section, “Front Panel
Controls and LED Indicators,” in Chapter 2.
Table 5-3: Alarm Troubleshooting
Alarm or Condition Possible Cause Recommended Action
The Utility LED ( ) is not on,
and the UPS does not start.
The power cord is not
connected.
Check the power cord
connections.
The wall outlet is faulty. Have a qualified electrician
test and repair the outlet.
The Utility LED ( ) is
flashing, and power is not
available at the UPS output
receptacles.
The UPS is in Standby mode. Press the On button to supply
power to the connected
equipment.
The UPS does not provide the
expected backup time.
The batteries need charging or
servicing.
Plug the UPS into a power
outlet for 24 hours to charge
the battery. After charging the
battery, press and hold the
Test/Alarm Reset button for
3 seconds, and check the On
Battery LED (
).
If the Bad Battery/Low Battery
LED ( ) is still on, the battery
may need to be replaced.
The General Alarm LED ( ) is
red, and a continuous audible
alarm sounds.
The self-test has failed. Plug the UPS into a power
outlet for at least 3 hours to
charge the battery. After
charging the battery, press
and hold the Test/Alarm Reset
button for 3 seconds, and
check the Bad Battery/Low
Battery LED (
).
If the Bad Battery/Low Battery
LED (
) is still on, contact an
HP authorized service
representative.
The UPS internal temperature
is too high.
The UPS switches to Bypass
mode, allowing the UPS to
cool. Turn off and unplug the
UPS. Clear vents and remove
any heat sources. Verify the
airflow around the UPS is not
restricted. Wait at least 5
minutes and restart the UPS.
If the condition persists,
contact an HP authorized
service representative.
continued