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Softener 
cap

Is water supplied?

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

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

Is the liquid detergent/softener/bleach cap clogged?

Refer to

NO WATER SUPPLY

Check the wiring on the
dispenser.

Put it in the correct
compartment.

Clean the Cap and
Container.

Secure the bolt.

Replace the STATOR
ASSEMBLY or ROTOR
ASSEMBLY.

Is the motor bolt loosened?

Is there friction noise coming from the motor?

Normal

Soak

600

When pressing Time Delay and Rinse at the same
time after draining, is the water level frequency 255?
When pressing Time Delay and Rinse 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 220-240V 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 220-240V AC as in the figure?

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.

Normal

Soak

600

When checking the voltage between
connector during whites washing.
Is the voltage 220-240V AC?

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

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

When pressing Temp. button is the displayed
temperature over 10

higher than the

selected temperature?

Is the resistance between 

and 

of Connector (1) 2.5-180

?

When checking the THERMISTOR on the tub,
is the THERMISTOR loose?

Replace the MAIN
PWB ASSEMBLY

Normal

Replace the
PWB HARNESS.

Check if inlet hose is
connected to a hot
faucet; otherwise,
replace MAIN PWB
ASSEMBLY.

Check electrical connection.
Replace THERMISTOR.

Push the THERMISTOR
tightly to the rubber.

Is the impeller of the drain pump clogged?

Remove foreign material.

Remove foreign material.

Reconnect or repair
the connector.

Replace PUMP MOTOR
ASSEMBLY.

Replace the MAIN PWB
ASSEMBLY.

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 18-30 Ω)

When checking voltage between the
connectors during spin, is the voltage 220-240V
AC, as the figure?