30 _ Troubleshooting
4-2. CORRECTIVE ACTIONS FOR EACH ERROR CODE
► Thesearecommontroubleshootingproceduresforeachdrum-typewashererrormode.Fordetailedinformation,refertothegeneralrepairscripts.
Error Type Error Mode Causes Corrective Actions Description of Photo
WaterLevel
Sensor
1E
• Waterlevelsensorfault
• Incorrectconnectionsofthewater
levelsensorterminal
• Thehosepartforthewaterlevel
sensorisfolded.
• MainPCBfault
• Checkthewaterlevelsensorterminal
connectionsandcontacts.
• Anerroroccursifanincorrectwaterlevel
sensorisused.Makesuretocheckthe
materialcode.(Abnormaloperation)
• Ifthewaterlevelsensorisfaulty,replaceit.
• Iftheerrorpersistsdespitetakingtheaction
above,replacethePBA.
Checkthewaterlevelsensor
frequency.
- Checkitafterthewaterlevel
sensorandtheconnector
areconnected.
- Frequency:Approx.26.1
KHzwithnoload
WashingMotor
ErrorandHall
Sensor Error
3E
3E1
3E2
3E3
3E4
• Washingmotorfault
• Washingmotorhallsensorfault
• Incorrectconnectionsofthe
washingmotor/hallsensor
connector
• Washingmotorrotorandstator
fault
• MainPCBfault
• Checkthemotorconnectorterminal
connectionsandcontacts.
• 3E1isdisplayedbecauseoverloadingoccurs
duetotoomuchlaundry.
• Ifthehallsensorterminalisfaulty,replacethe
hallsensor.
• Checkwhetherthestatorofthemotorcoveris
damaged.
• Checkforcoildisconnectionsduetoforeign
material.
• IfthePBAcontrolcircuitisfaulty,replacethe
PBA.
► MAINPCB
Checktheresistanceonthe
mainPCBmotor.(Betweenpins
1and3,and1and2ofthe
three(3)pins)
- Resistance:Approx.2to
5MΩ
- Checkthevoltagewhenthe
powerison.
[MotorPower][HallSensor]
►InverterBLDCMotor
Checktheresistanceonthe
MotorPower&HallSensor
- MotorPower
AnyTerminal2pinCheck
4.8~4.95Φ
- HallSensor
①Yellow&Red:7kΩ↓
②Yellow&Blue:7kΩ↓