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NO

YES

YES

YES

YES

NO

NO

NO

NO

YES

YES

NO

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 wash, is the water level
frequency between 230 - 243 ?

Check the voltage between two pins while pressing
the POWER button. Is the voltage  120V 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 coil is 10-20Ω)

When checking voltage between connectors during

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

HEATING WITHOUT WATER

DRAIN MALFUNCTIONING

Push the THERMISTOR
tightly to the rubber.

When checking the THERMISTOR on the tub, 

is the THERMISTOR loose?

HEATING CONTINUOUSLY ABOVE 

THE SETTING WATER TEMPERATURE

WASH HEATER TROUBLE

YES

YES

YES

YES

YES

NO

NO

NO

NO

NO

Hose

Connector

(White)

Connector

Connector

Hose

WILL NOT CIRCULATE WATER

Is the impeller of the drain pump clogged?

Are the Hose Connector and/or Hose clogged?

Is the connector disconnected, disassembled?

Is the coil of the right side of drain pump open
or short circuited? (Coil R is 18-30Ω)

When checking voltage between the 
connectors during spin, is the voltage 120V AC,
as the figure?

Remove foreign material.

Remove foreign material.

Reconnect or repair 
the connector.

Replace PUMP MOTOR
ASSEMBLY.

Replace the MAIN PWB
ASSEMBLY.

SPIN TROUBLE

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

Normal

Correct the connection.

Replace the STATOR
ASSEMBLY

Check during spin if the frequency of the water
level is 248 or more. 

Press the  START / PAUSE button 2 times in QC
Test mode, is the drum spinning at low speed?

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

Check the motor connector, Is the resistance of
the terminal the same as the figure?
MOTOR TERMINAL

Resistance of terminal: 

¥L-¥M / ¥M-¥N / ¥N-¥L

About 5Ω

15Ω

Replace the MAIN PWB ASSEMBLY

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
(Red 4 pin and white 4 pin
connector (1)).

Replace the DOOR
SWITCH ASSEMBLY.

¥N

¥M

¥L