HP UPS Extended Runtime Module - Manual (Page 44)

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: