Enplus Evo UPS 1000VA - Troubleshooting Common UPS Faults; Overload, Battery, and Over-Charge Issues; Operational and Environmental Faults; Line, Wiring, and Abnormal Faults

32
7.5 Trouble shooting
Displayed on LCD Audible Alarm Alarm Description What You Should Do
Output Overload
Two Beeps per
second
The UPS is overloaded (in
Line Mode). Your
equipment needs more
power than the UPS can
provide. The UPS
operates in bypass.
Shut off the least important
equipment connected to the
UPS. If this solves the overload
problem, the UPS will switch
from bypass back to normal
operation.
Battery Test No Beeps
The UPS is doing a
battery test.
No action needed. The UPS will
return to normal operation when
it successfully completes the
battery test.
Over-Charge Constant beep Batteries are overcharged.
Turn off protected loads. Turn
off UPS and call your local
dealer
Low Battery
2 beeps every
5seconds
The unit is operating on
Battery Power and will
shut down soon due to
very low battery voltage
The unit will restart
Automatically when acceptable
power returns.
On-Battery
Once every 5
seconds
The unit is operating on
Battery Power.
Save your data and perform a
controlled shutdown.
Charger Failure
Constant beep
Cha
rger has failed.
Phone the local dealer
Over-Temperature Constant beep
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
Constant beep
Output short circuit
Call the Local dealer
High output Voltage
Constant beep
High output voltage
Call the Local dealer
Low Output Voltage
Constant beep
Low output volta
ge
Call the Local dealer
Bus Fault
2 Beeps per
second
High internal DC bus
Voltage.
Turn off protected loads. Turn
off UPS and call your local
dealer
Site wiring Fault
1 Beep per
second
Voltage detected Between
Neutral and Ground
UPS mains connector polarity
Wrong. Rotate the connector
(Schuko). UPS installed to
mains supply without ground.
See page 15 on how to disable
the Site wiring alarm
Line abnormal
1 Beep per
second
Wrong AC Line backed
up during auto restart