User`s guide

TROUBLESHOOTING
Eaton 5125 Rack-Mount UPS (5000/6000 VA) User's Guide S 164201541 Rev D
www.eaton.com/powerquality
66
Table 10. Troubleshooting Guide
Alarm or Condition Possible Cause Action
The indicator is not on; the
UPS does not start.

The power cord is not
connected correctly.
Check the power cord connections.
The wall outlet is faulty. Have a qualified electrician test and repair the outlet.
The main utility breaker is off. Verify that the main utility breaker is on.
The remote emergency
power-off (REPO) switch is
active.
Reset the REPO switch and restart the UPS.
The REPO connector is
missing.
Verify that the REPO connector is installed on the
rear panel.
The indicator is flashing;
power is not available at the
UPS output.

The UPS is in Standby mode. Press and hold the On | button for approximately
three seconds to supply power to the connected
equipment.
The UPS operates normally, but
some or all of the protected
equipment is not on.
The equipment is not
connected to the UPS
correctly.
Verify that the equipment is plugged into the UPS
receptacles.
For hardwired models, contact a qualified electrician
to check connections to the power source.
Load segment circuit
breakers are in the
OFF position.
Switch load segment circuit breakers to the
ON position.
Load segments have been
turned off by power
management software or a
communication card.
Modify the settings for Load Segment Control in the
LanSafe software or the ConnectUPS-X Web/SNMP
Card (refer to the individual user's guide).
The UPS does not provide the
expected backup time.
The batteries need charging
or service.
Plug the UPS into a power outlet (apply utility power
on hardwired models) for 48 hours to charge the
batteries.
If the indicator is on, see “Replacing Batteries”
on page 55.
Battery circuit breakers are in
the OFF position.
Switch all the battery circuit breakers to the
ON position.