Troubleshooting
5-2
HP Uninterruptible Power System T1000 XR and T1500 XR Models User Guide
HP CONFIDENTIAL
Codename: Sherman Part Number: 216164-002 Last Saved On: 8/27/02 4:15 PM
Troubleshooting After Startup
If problems occur after starting the UPS, refer to Table 5-2 for possible causes and suggested
actions.
Table 5-2: Troubleshooting After Startup
Symptom
Possible Cause
Suggested Action
An audible alarm
sounds.
An alarm condition exists.
Identify the red LED associated with
this alarm condition. Check this
troubleshooting guide to determine the
cause of the alarm.
The 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 LED (
) and
On Battery LED (
) are
flashing red.
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 LED (
) and
On Battery LED (
) are
flashing red.
The utility frequency is out of
tolerance.
Contact a qualified electrician to verify
that the utility power is suitable for the
UPS.
The Utility LED (
) is
flashing red.
The utility input voltage is
outside the +20% to -30%
nominal range.
If this happens repeatedly, check the
input voltage and reconfigure the UPS.
Contact a qualified electrician to verify
that the utility power is suitable for the
UPS.
The Utility LED (
) is
flashing green and the
UPS is in Standby
mode.
The utility power is within the
acceptable range and the
output is off.
Press the On button.
The UPS frequently
switches between utility
and battery power.
There are variations in utility
power.
The utility voltage is frequently outside
the UPS operating range. Update the
configuration.
Contact a qualified electrician to verify
that the utility power is suitable for the
UPS.
continued
Summary of Contents for T1000 XR
Page 6: ......
