- 20 -
capacity configuration is also necessary.)
6. Trouble shooting
When the system runs in failure mode, the LCD will show as below:
FA
U
LT
Explicit Troubleshoot Introduction Sheet
Trouble indication
Failure point
Solution
Fault LED on, audible buzzer
Persistently alarm, the fault code
is 00-14
Bus bar voltage fault
Please test the bus bar voltage or contact
the supplier.
Fault LED on, audible buzzer
persistently alarm, the fault code
is15-24
Soft start fault
Please check the soft start up circuit,
especially the soft start resistance or
contact the supplier directly.
Fault LED on, audible buzzer
persistently alarm, the fault code
is 25-39
Inverter voltage fault
Please contact the supplier.
Fault LED on, audible buzzer
persistently alarm, the fault code
is 40-44
Over temperature
inside
Please make sure the UPS didn’t get
overload, and the fan vent was not
obstructed, as well as the indoor
temperature is not high.
Leave alone the UPS 10 minutes for
cooling, and restart it. If failure remains,
please contact the supplier.
Fault LED on, audible buzzer
Persistently alarm, the fault code
is 45-49
Output short-circuit
Turn of the UPS and disconnect all the
load, make sure there no any fault or
internal short circuit of the load.
And then restart the UPS, if failure still,
please contact the supplier.
Fault code
Fault icon