Eaton Electrical 9120 User Manual
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Table 10. Troubleshooting (cont.)
LCD Message or
Possible Cause
Action
Condition
Low Battery
The battery is running low.
2 minutes or less of battery power remains
2 beeps every 5 seconds.
(depending on load and battery charge).
Prepare for a shutdown. Save your work and
turn off your equipment. The alarm cannot be
silenced.
Replace Battery
The battery needs replacing.
See Section 7.0 "Replacing Batteries" to replace
3 beeps every 5 seconds.
the battery.
Low Charge
The battery voltage is low.
The UPS is charging the batteries and may not
3 beeps every 5 minutes.
deliver full run time. The alarm continues until
at least two minutes of run time is available.
Output Overload
Power requirements exceed
Remove some of the equipment from the UPS.
2 beeps per second.
UPS capacity (110-125% for 1
The UPS automatically switches back to Normal
minute or 126-150% for 10
mode when the capacity returns to an acceptable
seconds) or the load is defective. level. You may need to obtain a larger capacity
The UPS switches to Bypass
UPS.
mode.
Battery Overload
The UPS is on battery, and
Shutdown is imminent (30 seconds). Save your
2 beeps per second.
the power requirements
work and turn off your equipment. Turn off and
exceed UPS capacity (130%
unplug or remove utility power from the UPS.
for 10 seconds or >130% for
Remove some of the equipment from the UPS.
1.5 seconds) or the load is
Restart the UPS. You may need to obtain a
defective.
larger capacity UPS.
Site Fault
Ground wire connection
Have a qualified electrician correct the wiring.
1 beep per second.
does not exist or the line
To disable this alarm, see Section 4.0
and neutral wires are
"Configuration"
reversed in the wall outlet.
Battery Test
The UPS is performing a
None. The UPS returns to Normal mode when
battery test.
it completes a successful battery test.
Over-Temperature
UPS internal temperature
Shutdown is imminent. Save your work and turn
Constant beep.
is too high.
off your equipment. Turn off the UPS. Clear
vents and remove any heat sources. Ensure the
airflow around the UPS is not restricted. Wait at
least 5 minutes and restart the UPS. If the
condition persists, contact your service
representative.