UPS R3000 XR Models User Guide

Troubleshooting
HP Uninterruptible Power System R3000 XR Models User Guide 5-5
Table 5-3: Alarm Troubleshooting continued
Alarm or Condition Possible Cause Recommended Action
The On Battery LED ( ) is
red, and there is an audible
alarm every 5 seconds.
The UPS is on battery power. The UPS is powering the
connected equipment with
battery power. Prepare your
connected equipment for
shutdown.
The On Battery LED ( ) is
flashing red, and there is an
audible alarm every 5
seconds.
The battery is running low. Prepare for a shutdown. Save
files and turn off connected
equipment. The alarm cannot
be silenced.
The On Battery ( ) and the
Utility (
) LEDs are flashing
red, and there is an audible
alarm every 5 seconds.
The UPS is running on battery
power because the input
voltage is either too high or too
low.
Allow the UPS to continue to
operate until the condition is
corrected or the battery is
completely discharged.
If the condition persists, the
input voltage may differ from
the UPS nominal voltage.
The utility line voltage and
frequency are out of
specification.
Have a qualified electrician
check the wiring.
The Bad Battery/Low Battery
LED ( ) is flashing red, and
there is an audible alarm every
5 seconds.
The battery may be fully
discharged.
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 Bad
Battery/Low Battery LED (
).
If the Bad Battery/Low Battery
LED ( ) is still on, the battery
may need to be replaced.
The battery is not connected
properly.
Check the battery connections.
Call an HP authorized service
representative if the problem
continues.
The Site Wiring Fault
LED (
) is flashing red, and
there is an audible alarm every
5 seconds.
The ground wire connection
does not exist or the line and
neutral wires are reversed in
the wall outlet.
Have a qualified electrician
correct the wiring.
The Utility LED ( ) is flashing
red, and there is an audible
alarm every 5 seconds.
Bypass is not available. Input
voltage is not within ±12% of
nominal or input frequency is
not within ±3% of nominal.
The UPS is receiving utility
power that may be unstable or
in brownout conditions. The
UPS continues to supply
power to the connected
equipment. If conditions
worsen, the UPS may switch
to battery power.
continued