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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
Charger 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 voltage
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
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8. Maintenance
With a minimal amount of maintenance, you can expect the UPS to application, otherwise
consider changing the batteries. have a long life free of trouble. The most critical issues for
the reliability of the UPS are environmental issues. Ensure that the temperature and humidity
are always according to specifications and keep the area around the unit clean and dust free.
At a temperature of 25°C, the typical battery lifetime is 4 years.
Also check at regular intervals of 6 to 12 months whether the back-up time of the battery is
adequate for its
8.1 Replacing batteries
The batteries may be replaced without having to turn the UPS off or disconnecting the load
due to the hot-swappable battery feature.
WARNING!
Batteries may cause electrical shock or burn from high short circuit
currents. Please observe the following precautions: 1. Remove jewelry and metal
objects such as watches and rings. 2. Use tools that have insulated handles. 3. Keep
tools and other metal objects from contacting and away from the batteries.
ELECTRIC ENERGY HAZARD. Do not attempt to rewire, alter, or change any
battery wiring or connectors. Attempting to make such alterations can cause
injury.
Replace the batteries with the same number and type as originally installed
batteries.
DO NOT DISCONNECT the batteries while UPS is in Battery mode.
Replacing batteries (700 - 3000 VA)
