UPS R3000 XR Models User Guide

Troubleshooting
5-2 HP Uninterruptible Power System R3000 XR Models User Guide
Problems After Startup
If problems occur after starting the UPS, refer to Table 5-2 for possible causes and suggested
actions.
Table 5-2: Troubleshooting Problems After UPS Startup
Symptom Possible Cause Suggested Action
Audible alarm sounds. An alarm condition exists. Identify the red LED
associated with this alarm
condition. Check this table to
determine the cause of the
alarm.
Utility LED ( ) and On
Battery LED ( ) are flashing
red.
The utility voltage is too high. The utility voltage is higher
than the UPS operating range.
The UPS switches to battery
power. If this happens
repeatedly, update the
configuration.
Contact a qualified electrician
to verify that the utility power is
suitable for the UPS.
The utility voltage is too low. The utility voltage is lower than
the UPS operating range.
The UPS switches to battery
power. If this happens
repeatedly, update the
configuration.
Contact a qualified electrician
to verify that the utility power is
suitable for the UPS.
The utility frequency is out of
tolerance.
Contact a qualified electrician
to verify that the utility power is
suitable for the UPS.
Utility LED ( ) is flashing red. The utility input voltage is
outside ±12% nominal range.
If this happens repeatedly,
check input voltage and
reconfigure the unit.
Contact a qualified electrician
to verify that the utility power is
suitable for the UPS.
Bad Battery/
Low Battery LED ( )
is flashing red.
The UPS detects a potential
battery failure.
Allow batteries to charge for
24 hours, and initiate a
self-test. If the LED is red,
replace the batteries.
New batteries are improperly
connected.
Re-insert the battery module.
continued