UPS Adira (6kVA, 6kVA XL, 10kVA,
10kVA XL 1-phase)
Troubleshooting
Adira series
70
some non-critical loads.
Check if some loads have failed.
Output Short Circuit
Output short circuit.
Remove all the loads. Turn off
the UPS.
Check if UPS output and loads
is short circuit.
Ensure short circuit is removed
before turning on again.
Heatsink Over
Temperature Fault
Inside temperature of UPS is
too high.
Check the ventilation of the UPS
and the ambient temperature.
Bus Over Voltage
UPS internal fault.
Consult dealer.
Bus Under Voltage
UPS internal fault.
Consult dealer.
Bus Unbalance
UPS internal fault.
Consult dealer.
Bus short
UPS internal fault.
Consult dealer.
Bus Softstart Fail
UPS internal fault.
Consult dealer.
Inv Over Voltage
UPS internal fault.
Consult dealer.
Inv Under Voltage
UPS internal fault.
Consult dealer.
Inv Softstart Fail
UPS internal fault.
Consult dealer.
Negative Power Fault
The load is pure inductive and
capacitive.
Remove some non-critical loads.
Bypass supplies the load first,
ensures there is no overload,
then turns on UPS.
Cable male and female
Loss fault
The parallel cable is discon-
nected.
Check the parallel cable.
Fan lock fault
Fan blocked or disconnected
over time.
Check the fan status.
Back Feed
Output voltage is returned to
input.
Consult dealer.
8.3
Troubleshooting in other cases
Problem
Possible cause
Troubleshooting measures
No display message, no
warning tone even
though system is con-
nected to mains power
supply.
No input voltage.
Check the building wiring and
input cable.
Check if the
input breaker is closed.
BYPASS LED lights up
even though the power
supply is available.
Inverter not switched on.
Press On-
Switch “I” to turn on
UPS.
BATTERY LED lights
up, and audible alarm
sounds of 1 beep in
Input voltage and/or frequency
are outside the tolerated
range.
Check input power source.
Check the building wiring and
input cable.
