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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?

21

NO

NO

Y E S

Y E S

Y E S

NO

NO

NO

NO

Y E S

Y E S

NO

P WB  AS S E MB LY

P WB  AS S E MB LY

1 2

R eplace the sensor 
(pressure).

R eplace the P WB
Assembly.

R epair drain hose

R emove foreign
material.

R econnect or repair the
connector

R eplace the pump
assembly

R eplace the P WB  

C hecking 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 90~160 )

When checking voltage between connectors
( ,  )on spinning, is the voltage 
220 - 240V ~  as the figure?

Is the sensor working?

HE AT ING  WIT HOUT  WAT E R

DR A IN MA L F UNC T IONING

AC 220-240V

(1)

1

6

Replace the thermistor

Push the thermistor

tightly to the rubber.

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

(White)]

between 2.5k

Ω

to 180k

Ω

(105°C~0°C)?

When checking thermistor on the tub, 

is the thermistor loosened above 2mm from 

the rubber?

23

NO

Y E S

Y E S

Y E S

NO

NO

NO

Y E S

1

10

5

1 2 3 4 5 6 7 8 9 10

3

5

2

1

4

S P IN T R OUB L E

C heck the sensor
(Pressure) or hose 
(S ensor). 
If the problem is on the
sensor or the hose, replace
the sensor or the hose.

Normal

R econnect or repair it.

R eplace the motor
assembly.

Press [Power] button with [Option1] and [Option2]
buttons pressed after power off. Press [S tart/Pause]
button 2 times. Does the drum rotate at low spin
speed?

Is it disconnected or badly contacted?
[White : 2 pin ( ), Black : 2 pin ( ), White : 3 pin ( ), 
Blue : 4 pin ( ), White : 4 pin ( )]

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

 

: 0.5 ~ 1.0

~

  • : 1.5 ~ 2.5

Be sure to unplug the machine before measuring.
MOTOR  TE R MINAL

R eplace the PWB assembly.

Is the sensor or hose correct?