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