UDD-SD-116/
Release Date: 31.12.2014/Rev No: 1/Rev.
Date
: 27.04.2015
40
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-circuited
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
Negative output power 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
BUS short-circuited
Please contact the supplier.
Fault LED on, audible buzzer
Persistently alarm, fan icon in the
LCD flickers
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 supplier.