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Wiring diagram

HOT

HOT

Is the water supply shut-off?

Is the tap opened?

When you press both Spin button and Temp.
buttons simultaneously, is the water level frequency
below 240?

Is the inlet valve filter clogged with impurity?

Is resistance of the inlet valve connector 
between the 2 to 8

kΩ

?

Check the voltage between each terminals of inlet

Valve is 220 - 240V~.

(Refer to 7-2 TEST MODE)

Is water supplied?

Are replaceptacles correctly connected to the
terminals of inlet valve?

Is detergent put in the correct compartment of
the drawer?

Is the detergent caked or hardened?

Open the tap.

Check the chamber (Air)
and the tube clogged 
with impurity. 

Clean the filter.

Replace the inlet valve.

Replace PWB assembly

(Main)

Refer to solution

^NO INLET_

Check the wiring on the

dispenser.

Put the detergent in the

correct position 

: Detergent 

Clean the drawer.

MAIN

WASH

SOFTENER

PRE -

WASH

Wiring diagram

HOT

Fix the bolt tightly.

Replace the V-belt
(4400FR3116A)

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?

Replace the sensor 

(pressure)

Replace the PWB

assembly (Main)

Repair drain hose

Remove foreign material.

Reconnect or repair the
connector

Replace the pump
assembly

Replace the PWB

assembly (Main) 

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 
240?

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

as the figure?

Replace the thermistor
(6322FR2046B)

Push the thermistor

tightly to the rubber.

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

~②( Blue/White),

③(Blue / White)₩between  2.5kΩ to 180kΩ
(105

~0

)?

When checking thermistor on the tub, 

is the thermistor loosened above 2mm from 

the rubber?