Troubleshooting _ 27
4-3. CORRECTIVE ACTIONS FOR EACH ERROR CODE
► Thesearecommontroubleshootingproceduresforeachdrum-typewashererrormode.Fordetailedinformation,
refertothegeneralrepairscripts.
Error Type
Error
Mode
Causes Corrective Actions Description of Photo
WaterLevel
Sensor
1C
• Waterlevelsensor
fault
• Incorrect
connectionsofthe
waterlevelsensor
terminal
• Thehosepartforthe
waterlevelsensoris
folded.
• MainPCBfault
Checkthewaterlevelsensor
terminalconnectionsand
contacts.
Anerroroccursifanincorrect
waterlevelsensorisused.
Makesuretocheckthe
materialcode.
(Abnormaloperation)
Ifthewaterlevelsensoris
faulty,replaceit.
Iftheerrorpersistsdespite
takingtheactionabove,
replacethePBA.
Checkthewaterlevelsensor
frequency.
- Checkitafterthewater
levelsensorandthe
connectorareconnected.
CheckingPart:
PinkColorWireOrange
ColorWire.
-Frequency:
Approx.25.5KHzwith
noload
WashingMotor
ErrorandHall
SensorError
3C
• Washingmotorfault
• Washingmotorhall
sensorfault
• Incorrect
connectionsofthe
washingmotor/hall
sensorconnector
• Washingmotorrotor
andstatorfault
• MainPCBfault
Checkthemotorconnector
terminalconnectionsand
contacts.
3Eisdisplayedbecause
overloadingoccursduetotoo
muchlaundry.
Ifthehallsensorterminalis
faulty,replacethehallsensor.
Checkwhetherthestatorofthe
motorcoverisdamaged.
Checkforcoildisconnections
duetoforeignmaterial.
IfthePBAcontrolcircuitis
faulty,replacethePBA.
► CheckthemotorWinding
Coil
Plugouttheconnectorand
readresistancesatanytwo
ofthethreeterminalson
Motor
:Shouldbe6.0Ω(at25°C)
► CheckthemotorHall
Sensor
Checktheresistanceonthe
mainPCBmotor
(Betweenpins1and3,and
1and4ofthefour(4)pins)
- Resistance
:Approx.2to4MΩ
- Checkthevoltagewhen
thepowerison.
Communication
Error
AC
• Thesignalsbetween
thesubandmain
PBAsarenot
sensed.
• Incorrectwire
connectionsbetween
thesubandmain
PBAs.
Checkthewireconnections
andterminalcontactsbetween
thesubandmainPBAs.
Checkfordisconnectedwires.
CheckwhetherthesubPBA
isshort-circuitedbecauseof
moisture.
IfthemainPBA’s
communicationcircuitisfaulty,
replaceit.
-
DoorError
DC
• Doorswitchfault
• MainPCBfault
IfadSerroroccurs,check
whetheritoccursduringthe
Boilcycle.
-Ifitisdetectedthatthedoor
isopen,closethedoor.
The120Visdirectlyconnected
tothedoor.
Checkandrepairthepower
wireconnectionsand
insulationstate.
Checkthedoorswitch.
Replaceiffaulty.
CheckthemainPBAdoor
sensingcircuit.Replaceif
faulty.
► TYPE1
Checkthedoorswitch
Resistance.
Theresistanceof1and3
PinMustbeapproximately
175Ω.
DC1