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YES

YES

NO

NO

NO

NO

YES

YES

YES

YES

Fix the bolt tightly.

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
drawer.

Is the motor bolt loosened?

Is there friction noise from the motor?

Is water supplied?

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

Is softener put in the correct compartment of the

drawer?

Is the softener cap clogged?

Replace the

S.PRESSURE SWITCH

ASSEMBLY

Replace the POWER
PWB ASSEMBLY

Repair the DRAIN
HOSE ASSEMBLY.

Remove foreign
material.

Reconnect or repair the
connector

Repair the DRAIN
PUMP ASSEMBLY.

Repair the MAIN PWB
ASSEMBLY.

When pressing Intensive and Option(Left) at the
same time after draining, is  the water level frequency
248 ~ 262 or more?  
When pressing Rinse and Temp. buttons at the
same time while wash, is the water level
frequency between 230 - 243?

Checking voltage between two pins (Connector
RD 

① & YL ②) 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 the drain pump cut-off?

(resistance of coil is 80~150

Ω)

When checking voltage between connectors

(

①

, 

④

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

as the figure?

WH/RD

(Refer to the 7-2 QC Test Mode)

BLUE

Option(Left) and Temp. 

temperature?

button simultaneously

NO

YES

YES

YES

NO

NO

NO

YES

(1)

Check the S.PRESSURE SWITCH
ASSEMBLY or HOSE (Pressure). 
If the problem is on the
S.PRESSURE SWITCH
ASSEMBLY or the HOSE, replace
the S.PRESSURE SWITCH
ASSEMBLY or the HOSE.

Normal

Correct the connector.

Replace the STATOR
ASSEMBLY

Check on the spinning, is the frequency of the
water level 248 or more. The frequency can be 
checked by pressing the Intensive and Option(Left)
buttons at the same time on the program.

When pressing Rinse, Medic Rinse and POWER
buttons at the same time after power off, press the
Start/Pause button 1 times, is the drum low speed
spin?

Is it disconnected, or disassembled?
[Red:3pin(1), GY:4pin(2)]

Check the motor connector, is the resistance of

the terminal same as the figure?

Resistance of terminal: 

①

①~

~②

② / ②

②~

~③

③ / ③

③~

~①

① : About 5Ω

Ω~15Ω

Ω

Replace the MAIN PWB ASSEMBLY

①

① ②

② ③

③

Does the spring of Latch Hook actuate?

Is there clicking sound once or twice when the
START/ PAUSE button is pressed to start the cycle?

Is DOOR SWITCH ASSEMBLY broken?

Replace Door Assembly.

Check the DOOR SWITCH
ASSEMBLY Connector and
MAIN PWB ASSEMBLY
[Black(1), Brown/Yellow(2)].

Replace the DOOR
SWITCH ASSEMBLY.