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RACK TOWER ONLINE UPS
4.011.2017
RTS-ON-user-manual_ENG-R1
26
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 LED on, audible buzzer
persistently alarm, the fault code is
50-54
Over load
Please check the load level and disconnect
the noncritical devices, recount the total
capacity of your load and reduce the load to
the UPS.
Please check whether the load device has
fault or not?
Fault LED on, audible buzzer
persistently alarm, the fault code is
55-59
Input NTC fault
Please contact the supplier.
Fault LED on, audible buzzer
persistently alarm, the fault code is
60-64
Power fault
Please Check whether the input & output
power normal or not, contact the supplier if it
is abnormal.
Fault LED on, audible buzzer
persistently alarm, the fault code is
65-69
Input fuse fault
Please check if the input fuse is burnt.
Replace the old fuse and restart the UPS.
If failure remains, please contact the
supplier.
Fault LED on, audible buzzer
Persistently alarm, fan icon in the
Fan fault
Please check whether the fans connect well,
is the fan plugged and is the fan broken? If
all above condition is ok, please contact the