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SOFTENER

MAX

(4) Main Wash Compartment

4

Is water supply shut-off?

Is the tap opened?

When you press both SPIN SPEED button and
SOIL LEVEL button simultaneously, is the water
level frequency below 246?

Is the inlet valve filter clogged?

Is resistance between each terminal of INLET
VALVE ASSEMBLY 0.8-1.2 

k

Ω

? 

Verify the voltage of the inlet valve connector is 

120 V AC.

(Refer to 7-2 QC TEST MODE)

Is water supplied?

Are receptacles correctly connected to the
terminals of the INLET VALVE ASSEMBLY?

Has detergent been put in the correct compartment
of the dispenser?

Is the detergent caked or hardened?

Open the tap.

Check the AIR CHAMBER
and the tube (clogged). 

Clean the filter.

Replace the INLET VALVE
ASSEMBLY.

Check electrical connection.
Replace the MAIN PWB
ASSEMBLY.

Refer to 

^NO WATER SUPPLY_

Check the wiring.

Put the detergent in the
correct place. 

Clean the dispenser.

Softener

cap

SOFTENER

MAX

SOFTENER

MAX

Hot water

Prewash

Bleach

Main wash

Bleach cap

SOFTENER

(4) Main Wash Compartment

4

Secure the bolt.

Replace the STATOR
ASSEMBLY or ROTOR
ASSEMBLY.

Refer to

^NO WATER SUPPLY_

Check the wiring on the 
dispenser.

Put it in the correct
compartment.

Clean the Cap and
Container.

Is the motor bolt loosened?

Is there friction noise coming from the motor?

Is water supplied?

Are the plugs correctly connected to the terminals of
the INLET VALVE ASSEMBLY?

Is softener/bleach put in the correct compartment of
the drawer?

Is the softener/bleach cap clogged?

NO

YES

YES

YES

YES

NO

NO

NO

NO

YES

YES

NO

BL

WH

WH

WH

WH

RD

BL

BL

BL

OR

21

RD

BL

2 1

BL

WH

WH

WH

WH

RD

BL

BL

BL

OR

21

RD

BL

2 1

Replace the
SENSOR SWITCH
ASSEMBLY.

Replace the MAIN PWB
ASSEMBLY.

Repair the DRAIN HOSE 
ASSEMBLY.

Remove foreign material.

Reconnect or repair the
connector

Replace the DRAIN
PUMP ASSEMBLY.

Replace the MAIN PWB 
ASSEMBLY.

When pressing SPIN SPEED and SOIL LEVEL at the
same time after draining, is  the water level frequency
255?  
When pressing SPIN SPEED and SOIL LEVEL buttons
at the same time while washing, is the water level
frequency between 230 - 243 ?

Check the voltage between two pins while pressing
the POWER button. Is the voltage  120 V AC?

Is the drain hose twisted or frozen?

Is the impeller of the drain pump clogged?

Is the connector disconnected, disassembled?

Is the coil of the drain pump too high or low?
(resistance of the coil is 10-20 

Ω)

When checking voltage between connectors during

spin, is the voltage 120 V AC as in the figure? 

Extra Hot: 70 °C

25

(1)

BL

WH

WH

WH

WH

RD

BL

BL

BL

OR

RD

BL

BL

WH

WH

WH

WH

RD

BL

BL

BL

OR

21

RD

BL

2

1

Blue

Red

Black

Yellow

Push the THERMISTOR
tightly to the rubber.

When checking the THERMISTOR on the tub, 

is the THERMISTOR loose?