Corrective Actions For Each Code - Samsung WA45T3400A Series Service Manual

4-3. CORRECTIVE ACTIONS FOR EACH CODE

Error
Error Type
Mode
Water Level
1C
Sensor
Washing
Motor Error
3C
and Hall
Sensor Error
Causes
• C heck if the water
level sensor is
• C heck the water level sensor
defective.
terminal connections.
• C heck if the
• C heck the part code of the water
water level
level sensor, because if an incorrect
sensor terminal
part is used, an abnormal operation
is properly
may occur. (Abnormal operation)
connected.
• I f the water level sensor is defective,
• C heck if the water
replace it.
level sensor hose
• I f no problems were found for all of
is broken.
the procedures above, replace the
• T his may occur
PBA.
when The main
PCB is defective.
• W ashing motor
• C heck the motor connector terminal
fault
connections and contacts.
• W ashing motor
• 3 E is displayed because overloading
hall sensor fault
occurs due to too much laundry.
• I ncorrect
• I f the hall sensor terminal is faulty,
connections
replace the hall sensor.
of the washing
• C heck whether the stator of the
motor/hall sensor
motor cover is damaged.
connector
• C heck for coil isconnections due to
• W ashing motor
foreign material.
rotor and stator
• I f the PBA control circuit is faulty,
fault
replace the PBA.
• M ain PCB fault
Corrective Actions Description of Photo
 C heck the water level sensor
frequency.
1. C heck it after the water level
sensor and the connector are
connected.
Checking Part : Blue
Color Wire Oragne Color Wire
2. F requency: Approx.26.4KHz
without water (Min 25.9KHz)
 Check the motor Winding Coil
• P lug out the connector and read
resistances at any two of the three
terminals on Motor : Should be 12Ω
(at 25℃)
 Check the motor Hall Sensor
• C heck the resistance on the main
PCB motor(Between pins 2 and 4, 3
and 4 of the four (4) pins)
- R esistance : Approx. 2 to 4 MΩ
- C heck the voltage when the
power is on.
CN 1
1-5V-1
2-Hall-A
3-Hall-B
4-GND
5-Clutch Hall IC
Troubleshooting _ 21