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Wiring diagram

option (HOT) 

option (HOT)

MAX

Is the water supply shut-off?

Is the tap opened?

When you press both Option button and Spin
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 2 to 8

k

Ω

?

Check the voltage between each terminal 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

option (HOT)

MAX

MAX

max

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 softener cap clogged?

PWB ASSEMBLY (MAIN)

2

1

(5)

(6)

Repair drain hose.

Remove foreign material.

Reconnect or repair the
connector.

Replace the pump
assembly.

Replace the PWB

assembly (Main) .

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 90~160

Ω)

When checking voltage between connectors

( ,  ) on spinning, is the voltage 220 - 240V~ 

as the figure?

AC 220-240V

PWB ASSEMBLY (MAIN)

Spin

Option

Replace the sensor 

(pressure).

Replace the PWB
assembly (Main).

When pressing [Option] and [Spin] at the same time
after draining, is  the water level frequency 252 or
more?  
When pressing [Option], [Spin] buttons at the
same time while wash, is the water level
frequency between 220 - 240?

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

When checking the voltage between 
connector the PWB assembly (Main)
during whites washing ,Is the voltage 
220 - 240V    ?

Replace the PWB 
assembly (Main).
 

After power off and the heater terminal is
disconnected, is the resistance 10 to 30   ?

Replace the heater 
assembly.

After power off,is the resistance of wire
(RED-YELLOW) connectors between
10    to 30   ?

Normal.

RED

YELLOW

1

2

4

3

  ~    

220 - 240V~

PWB ASSEMBLY (MAIN)

1

2

4

3

(1)

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, Violet),

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

℃

~0

℃

)?

When checking thermistor on the tub cover, 

is the thermistor loosened above 2mm from 

the rubber?