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Wiring diagram

option (HOT)

MAX

max

Fix the bolt tightly.

Replace the V-belt
(4400FR3116B)

Replace the motor.

Refer to

NO WATER SUPPLY

Check the wiring on the 
dispenser.

Put it in the correct
compartment.

Clean the cap and
drawer.

Is the pulley bolt loosened?

Is the belt worn?

Is there friction noise from the motor?

Is water supplied?

Are receptacles correctly connected to the
terminals of inlet valve?

Is softener put in the correct compartment of
drawer?

Is the softner cap clogged?

PWB ASSEMBLY

PWB ASSEMBLY

1 2

Replace the sensor 
(pressure).

Replace the PWB
Assembly.

Repair drain hose

Remove foreign
material.

Reconnect or repair the
connector

Replace the pump
assembly

Replace the PWB 

When pressing [Spin] and [Temp.] at the same
time after draining, is  the water level frequency
252 or more?  
When pressing  [Spin] [Temp.] buttons at the
same time while wash, is the water level frequency
between 230 - 245V~?

Checking voltage between two pins as press
the power button is the voltage 220-240V~?

Is the drain hose twisted or frozen?

Is the impeller of the drain pump clogged?

Is the connector disconnected,
disassembled?

Is the coil of drain pump cut-off?
(resistance of coil is 90~160Ω)

When checking voltage between connectors
(

, 

)on spinning, is the voltage 

220 - 240V~  as the figure?

Cotton 95°C

1

Replace the thermistor

Push the thermistor

tightly to the rubber.

When disconnect the connector (1) on the 
PWB assembly (Main) is the resistance of the 
Natural connectors [ (White),

(Blue White)] between 2.5kΩ to 180kΩ

(105°C~0°C)?

When checking thermistor on the tub, 

is the thermistor loosened above 2mm from 

the rubber?

1 2 3 4 5 6 7 8 9 10

Check the sensor
(Pressure) or hose 
(Sensor). 
If the problem is on the
sensor or the hose, replace
the sensor or the hose.

Normal

Reconnect or repair it.

Replace the motor
assembly.

Check on the spinning, is the frequency of the
water level 248 or more. The frequency can be
checked by pressing the [Spin] and [Temp.] buttons at
the same time on the program.

Press [Power] button with [Option] and [Spin]
buttons pressed after power off. Press [Start/Pause]
button 2 times. Does the drum rotate at low spin
speed?

Is it disconnected or badly contacted?

Check the motor connector, Is the resistance between
the terminal in figure the same as below?
Resistance between terminals

~ 

: 0.5 ~ 1.0Ω

~ 

⑩ : 1.5 ~ 2.5Ω

Be sure to unplug the machine before measuring.
MOTOR TERMINAL

Replace the PWB assembly.