Samsung A50K8600A/A2 Series - Corrective Actions for each Error Code

Troubleshooting _ 23
4-3. CORRECTIVE ACTIONS FOR EACH CHECK CODE
► Thesearecommontroubleshootingproceduresforeachdrum-typewasherCheckmode.Fordetailedinformation,refertothegeneralrepairscripts.
Symptom Check Code Countermeasure Troubleshooting Procedure Measurement Picture
Water Level Sensor
►1C
Checkifthewaterlevel sensor is defective.
• Checkthewaterlevelsensorterminal
connections.
• Checkthepartcodeofthewaterlevel
sensor,becauseifanincorrectpartisused, an abnormal operation may occur. (Abnormal operation)
• Ifthewaterlevelsensorisdefective,replace
it.
• Ifnoproblemswerefoundforallofthe
proceduresabove,replacethePBA.
►Checkthewaterlevelsensor
frequency.
1.Checkitafterthewaterlevel
sensor and the connector are connected.
CheckingPart:Blue Color Wire Oragne Color Wire 2.Frequency:Approx.26.4KHz
without water (Min 25.9KHz)
Checkifthewaterlevel sensor terminal is properly connected. Checkifthewaterlevel sensorhoseisbroken. This may occur when the main PCB is defective.
Washing Motor Defect
►3C
Washing motor fault.
• Checkthemotorconnectorterminal
connections and contacts.
• 3Cisdisplayedbecauseoverloadingoccurs
due to too much laundry.
• Ifthehallsensorterminalisfaulty,replace
the hall sensor.
• Checkwhetherthestatorofthemotorcover
is damaged.
• Checkforcoildisconnectionsduetoforeign
material.
• IfthePBAcontrolcircuitisfaulty,replacethe
PBA.
►CheckthemotorWindingCoil •Plugouttheconnectorandread resistances at any two of the three terminals on Motor: Should be 12Ω(at25oC) ►CheckthemotorHallSensor •Checktheresistanceonthemain PCBmotor(Betweenpins2and4, 3 and 4 of the four (4) pins) -Resistance:Approx.2to4MΩ -Checkthevoltagewhenthe power is on.
Washing motor hall sensor fault. Incorrect connections of the washing motor/hall sensor connector. Washing motor rotor and stator fault. Main PCB fault.
WA8700K Washer.indb 23 2016/2/4 16:56:14
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