Trouble shooting
Displayed on LCD
Audible Alarm Alarm Description
Output Overload
Two Beeps per
second
Battery Test
No Beeps
Over-Charge
Constant beep
Low Battery
2 beeps every
5seconds
On-Battery
Once every 5
seconds
Charger Failure
Constant beep
Over-Temperature
Constant beep
Output Short
Constant beep
High output Voltage
Constant beep
Low Output Voltage
Constant beep
Bus Fault
2 Beeps per
second
Site wiring Fault
1 Beep per
second
Line abnormal
1 Beep per
second
What You Should Do
The UPS is overloaded (in
Shut off the least important
Line Mode). Your
equipment connected to the
equipment needs more
UPS. If this solves the
power than the UPS can
overload problem, the UPS
provide. The UPS operates
will switch from bypass back
in bypass.
to normal operation.
The UPS is doing a battery
No action needed. The UPS
test.
will return to normal operation
when it successfully completes
the battery test.
Batteries are
Turn off protected loads. Turn
overcharged.
off UPS and call your local
dealer
The unit is operating on
The unit will restart
Battery Power and will shut
Automatically when
down soon due to very low
acceptable power returns.
battery voltage
The unit is operating on
Save your data and perform a
Battery Power.
controlled shutdown.
Charger has failed.
Phone the local dealer
High ambient Temperature. Make sure the unit's fans and
vent holes are not blocked, and
make sure the ambient
surrounding temperature is not
above 40 degree C. If these
conditions did not solve the
problem, call your service
representative.
Output short circuit
Call the Local dealer
High output voltage
Call the Local dealer
Low output voltage
Call the Local dealer
High internal DC bus
Turn off protected loads. Turn
Voltage.
off UPS and call your local
dealer
Voltage detected Between
UPS mains connector polarity
Neutral and Ground
Wrong. Rotate the connector
(Schuko). UPS installed to
mains supply without ground.
See page 15 on how to disable
the Site wiring alarm
Wrong AC Line backed up
during auto restart
24