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Troubleshooting
39
Powerware
®
9120 User's Guide S 05147426 A Uncontrolled Copy
ActionPossible CauseLCD Message or
Condition
Battery Overload
2 beeps per second.
The UPS is on battery, and the
power requirements exceed
UPS capacity (130% for
10 seconds or >130% for
1.5 seconds) or the load is
defective.
Shutdown is imminent (30 seconds). Save your work and
turn off your equipment. Turn off and unplug or remove
utility power from the UPS. Remove some of the equipment
from the UPS. Restart the UPS. You may need to obtain a
larger capacity UPS.
Site Fault
1 beep per second.
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 Mode" on page 17.
Battery Test The UPS is performing a battery
test.
None. The UPS returns to Normal mode when it completes a
successful battery test.
Over-Temperature
Constant beep.
UPS internal temperature is too
high.
Shutdown is imminent. Save your work and turn 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.
Over-Charge
Constant beep.
Batteries are over-charged. Save your work and turn off your equipment. Turn off the
UPS. Contact your service representative.
Charger Failure Charger has failed. Save your work and turn off your equipment. Turn off the
UPS. Contact your service representative.
Output Short
Constant beep.
Output short circuit. Save your work and turn off your equipment. Turn off the
UPS. Contact your service representative.
High Output Voltage
Constant beep.
High output voltage. Save your work and turn off your equipment. Turn off the
UPS. Contact your service representative.
Low Output Voltage
Constant beep.
Low output voltage. Save your work and turn off your equipment. Turn off the
UPS. Contact your service representative.
High DC Bus
2 beeps per second.
High internal DC bus voltage. Save your work and turn off your equipment. Turn off the
UPS. Contact your service representative.