User`s guide

TROUBLESHOOTING
Eaton 5125 Rack-Mount UPS (5000/6000 VA) User's Guide S 164201541 Rev D
www.eaton.com/powerquality
67
ActionPossible CauseAlarm or Condition
Intermittent audible alarm
The UPS is on battery due to a
utility failure.
The UPS is powering the equipment with battery
power. Prepare your equipment for shutdown.
The UPS is running on battery
power because the input
voltage is too high or too low.
The UPS continues to operate on battery until the
condition is corrected or the batteries are
completely discharged.
If the condition persists, the input voltage in your
area may differ from the UPS nominal. Change the
UPS input voltage to match your local voltage; see
“Configuration” on page 43.
The utility line voltage and
frequency are out of
specification.
Have a qualified electrician check the wiring.
Continuous audible alarm
The batteries are running low. Three minutes or less of battery power remains
(depending on load configuration and battery
charge). Save your work and turn off your
equipment.
Intermittent audible alarm
The batteries are not
connected correctly.
Check the battery connections. Call your service
representative if the problem persists.
The batteries need to be
replaced.
Contact your service representative to order new
batteries. See “Replacing Batteries” on page 55.
Intermittent audible alarm
The batteries are low when
the UPS starts up or returns
from a utility failure.
The UPS is recharging the batteries. The indicator
turns off when the batteries have reached an
acceptable charge level.
If the or indicator is still on after 48 hours,
contact your service representative.
Intermittent audible alarm
Ground wire connection does
not exist or the line and
neutral wires are reversed in
the wall outlet.
Have a qualified electrician correct the wiring.
To disable this alarm, see “Configuration” on
page 43.
Intermittent audible alarm
Bypass is out of tolerance.
Input voltage is not within
±10% of nominal.
The UPS is receiving utility power that may be
unstable or in brownout conditions. The UPS
continues to supply power to your equipment. If
conditions worsen, the UPS may switch to battery
power.