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Is the resistance of the Thermistor out of range 44 ~
53 KΩ at 25°C? 

Replace the Main PCB.

Is the Connector connected correctly to 
the Main PCB, the Thermistor and the Heater? 
Is the Harness right?

Reconnect or repair the Connector.
Or replace the Harness.

Replace the Thermistor.

Replace the Heater.

Is the resistance of the Heater out of range 24.5 ~
28.5Ω (for Washing) or 42.5 ~ 49.5Ω (for Steam) ?

S

P

E

C

Temp.

30 °C

40 °C
60 °C

70 °C

95 °C

105 °C

Resistance (kΩ)

MIN

36.35

39.45

42.72

24.20

26.05

27.97

11.43

12.12

12.82

8.088

8.514

8.940

3.544

3.791

4.045

2.617

2.816

3.023

STD

MAX

Is the resistance of the Hall Sensor 5~15kΩ?

[Pre Check]
• Gentle wash cycles, such as Delicate and Wool, should be used only for light loads.

Because these cycles are more gentle in tumbling and spinning, putting too much in the drum can register an issue
with the motor. Remove items, reset unit and test with a Rinse/Spin cycle.

• Don’t replace the PCB, when the hall sensor is replaced.

Replace the PCB, when the LE is displayed after replacing the hall sensor.

Is the Connector connected correctly to 
the Main PCB and the Motor?
Is the Harness right?

Disassemble the Rotor.
Is the Magnet of rotor cracked or broken?

Replace the Main PCB.

Press the Power button & Start / Pause button.
Does the Drum stop when the start/pause button is pressed to start the cycle ?
Or Sometimes does the Drum rotate weakly (under 15rpm)?

Magnet

Ha

Hb

Common

Is the resistance the same
between Stator points?

V~U / U~W / W~V : 8~11Ω

Reconnect or repair the Connector.
Or replace the Harness.

Replace the Rotor.

Replace the Hall Sensor.

Disassemble 
hall sensor carefully. 
(Next page)

Replace the Stator.

Disassemble the Hall Sensor

1) Disassemble the hook of Hall Sensor by (-) driver.

2) Pull up  Hall Sensor slowly as shown in picture. 

1) Adjust the hole of Hall Sensor to 

the hooks of stator as shown in red circle.

2) Push down the Hall sensor, 

and assemble to the hook securely.

If you disassemble by force,not following the directions, 
the hooks of stator(red circled) might break.
In this case, you need to replace the stator assembly.
So disassemble cautiously.

1

Assemble the Hall Sensor

2

[Note]
Hall Sensor Part No.
• 24” / 25” : 6501KW2001A

• 27” : 6501KW2002A 

Check if there is some water on the base ?

Some part have broken.(ex. Tub,
dispenser, inlet hose, circulation
hose, steam generator, pump,
drain hose)

Replace the  broken part.

Check if there is some water on the base ?

Assemble the safety switch.

Reconnect or repair the connector.
Or replace the harness.

Replace the safety switch.

Is the connector connected correctly to the main PCB
and the safety switch?
Or is the harness right?

Is safety switch assembled correctly to
the base?

When you press and hold  the styrofoam
in the safety switch, is AE displayed?