37
UDD-SD-112/
Release Date: 25.12.2014/Rev No: 1 /Rev.
Date
: 18.05.2015
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.
UPS fail to start when operate
“On” key
Pressing time too short
Please press the power key more than 2
seconds to start the UPS.
The input connection is
not ready or
UPS internal battery
disconnect
Please connect the input well, if the
battery voltage is too low, please
disconnect the input and start the UPS
with no-load.
UPS internal system
fault
Please contact the supplier.
Back up time become short
Battery undercharge
Please keep the UPS battery recharging
more than 3 hours
UPS overload
Please check the load level and disconnect
the noncritical devices,
Battery maturing,
capacity descend
Please change new battery, contact your
supplier to get the new battery and spare
parts.
UPS doesn’t have any power go
through even main power on
UPS input breaker
disconnects
Please reset the circuit breaker by
manual.
Input fuse broken or
input method is
inconsistent with the
Please check the fuse and IPP setting, and
contact the supplier.
