Overtemperature condition
Possible cause: The UPS internal temperature is too high, or a fan has failed.
Action:
1.Power down the UPS ("Powering down the UPS" on page 44).
2.Allow the UPS to cool:
a.Clear vents and remove any heat sources.
b.Be sure that the that the airflow around the UPS is not restricted.
3.Wait at least 5 minutes, and then restart the UPS.
4.If the condition persists, contact an HP authorized service representative.
Internal UPS fault condition
Action:
1.Power down the UPS ("Powering down the UPS" on page 44).
2.If the condition persists, contact an HP authorized service representative.
REPO condition
Action:
•If the remote switch is closed, then open the switch to enable power to the output receptacles.
•If the condition occurred while reconnecting a disconnected REPO port, then verify the polarity of the REPO connector pins.
For more information about REPO ports, see "Connecting the REPO port (on page 21)."
Site wiring condition
Action: Contact a qualified electrician to be sure that:
•The line and neutral wires are not reversed in the wall outlet.
•A ground wire connection does not exist.
Overload condition
All the load LEDs are illuminated.
Action:
1.Power down the UPS ("Powering down the UPS" on page 44).
2.Remove one or more load devices to reduce the power requirements.
3.Wait at least 5 seconds and restart the UPS.
4.If the condition persists, verify that the load devices are not defective.
Troubleshooting 59
