Troubleshooting 44
Utility power condition
The utility input voltage is outside the operating range.
Action:
1. Check the input voltage and reconfigure the UPS ("Configuring the UPS" on page 28).
2. Contact a qualified electrician to verify that the utility power is suitable for the UPS.
Internal UPS fault condition
Action:
1. Power down the UPS ("Powering down the UPS" on page 31).
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 20)."
Site wiring condition
Action: Contact a qualified electrician to be sure that:
• The utility power receptacle is grounded.
• There is a ground wire in the UPS power cord.
• The line and neutral wires are not reversed in the wall outlet.
Overload condition
All the load LEDs are illuminated.
Action:
1. Power down the UPS ("Powering down the UPS" on page 31).
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.
UPS does not start
Action:
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