HP R1500 - UPS XR User Manual page 38

Table 5-1: Troubleshooting
Symptom
The On Battery LED
( ) is red and an
audible alarm sounds.
The On Battery LED
( ) is flashing red,
the General Alarm
LED ( ) is flashing
red, and an audible
alarm sounds.
The On Battery LED
( ) is flashing red, the
Utility LED ( ) is solid
red, and an audible
alarm sounds.
The Bad Battery/Low
Battery LED ( ) is
flashing red.
The Site Wiring Fault
Indicator ( ) is
flashing red.
The Overload LED is
red.
All LEDs are flashing
red and an audible
alarm cannot be
silenced.
HP Uninterruptible Power System R1500 XR Models User Guide
continued
Possible Cause
The UPS is running on battery
power.
The output voltage is out of
spec while the UPS is on battery
power.
The battery voltage is low.
The battery voltage is low
because the UPS has been
out-of-service for a long period.
The battery is disconnected.
No ground connection exists
between utility power and the
UPS or the line and neutral
wires are reversed in the wall
outlet.
The UPS voltage configuration
is incorrect.
Protected devices are
exceeding the UPS power
rating.
The UPS may switch from utility
to battery power.
An internal UPS fault condition
exists.
Troubleshooting
Suggested Action
Save your current work and prepare to
power down the system.
Contact an authorized service provider.
If the UPS is supplying battery power,
save your current work and power
down the system. Allow the batteries to
charge.
If the UPS is supplying utility power, no
user intervention is required. Allow the
batteries to charge.
Allow the UPS to charge the batteries
for 24 hours. Initiate a self-test. If the
Bad Battery/Low Battery LED does not
turn off, replace the batteries.
Install the battery pack. If the battery
pack is installed, remove the pack and
then insert it again.
Contact a qualified electrician to
correct the wiring.
Update the configuration.
Remove one or more devices to
reduce the power requirements.
Verify that the devices are not
defective.
Power down the UPS. Contact an
authorized service representative.
continued
5-3