KStar UDC9103S One User Manual

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4. Troubleshooting
IftheUPSsystemdoesnotoperatecorrectly,pleasesolvetheproblembyusingthe
tablebelowandtheTroubleShootingChart.

Symptom Possiblecause Remedy
Noindicationandalarmeven
thoughthemainsisnormal. 
TheACinputpoweris
notconnectedwell. 
Checkifinputpowercord
firmlyconnectedtothe
mains. 
TheACinputis
connectedtotheUPS
output. 
PlugACinputpowercord
toACinputcorrectly. 
Alarmcodeisshownas“33”
andbatteryledblinking.
Theexternalor
internalbatteryis
incorrectlyconnected.
Checkifallbatteriesare
connectedwell. 
Alarmcodeisshownas“26”
andbatteryledblinking.
Batteryvoltageistoo
highorthechargeris
fault. 
Contactyourdealer. 
Alarmcodeisshownas“34”
andbatteryledblinking
Batteryvoltageistoo
loworthechargeris
fault. 
Contactyourdealer.
Alarmcodeisshownas“32”
andINVorBYPASSled
blinking.
UPSisoverload 

Removeexcessloadsfrom
UPSoutput. 
Alarmcodeisshownas“29”
andFAULTledlight.
TheUPSshutdown
automaticallybecause
shortcircuitoccurson
theUPSoutput. 
Checkoutputwiringandif
connecteddevicesarein
shortcircuitstatus. 
Alarmcodeisshownas“9”
andFAULTledlight.
Fanfault.
Contactyourdealer.
Alarmcodeisshownas
“01,02,15,16,17,18”
AUPSinternalfault
hasoccurred. 
Contactyourdealer.
Batterybackuptimeisshorter
thannominalvalue 
Batteriesarenotfully
charged 
Chargethebatteriesforat
least5hoursandthen
checkcapacity.Ifthe
problemstillpersists,
consultyourdealer. 
Batteriesdefect 
Contactyourdealerto
replacethebattery. 

KStar UDC9103S One Specifications

General

Model	UDC9103S One
Category	UPS
Operating Temperature	0-40 °C
Input Frequency	50/60Hz
Output Frequency	50Hz or 60Hz
Communication Interface	USB
Operating Humidity	20-90% (non-condensing)