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WATER INLET

ERROR

IMBALANCE

ERROR

DRAIN ERROR

OVERFLOW

ERROR

SENSOR PRESSURE

S/W ERROR

DOOR OPEN

ERROR

THERMISTOR

ERROR

Water has not reached to the pre-set level within 4

min. since inlet valve operated, or water has not

reached to the normal level within 25 min.

The appliance is tilted. 

Laundry is gathered to one side.

Non-distributable things are put into the drum.

Water has not drained enough within 5 min.

Water is automatically being pumped out because too

much water is in the tub.

The sensor pressure switch is out of order.

The 

Start/Pause

button is pressed with the door

open.

The door switch is out of order.

The thermistor is out of order.

■ WD-6550F(B)/WD-8050(4)F(H)(B)

If you press the 

~Start/Pause₩button when an error in displayed, any error except S/W ERROR will

disappear and the machine will change into pause status.

In case of 

d S/W ERROR e, d THERMISTER ERROR e, d DOOR OPEN ERROR e, if the error is not

resolved within 20 sec. In the case of other errors, if the error is not resolved within 4 min. power will be
turned off automatically and the error code will blink. But in case of 

d OVER FLOW ERROR e, power

will not be turned off.d

Pre

Main

Super

Normal

Hold

Door        Lock

Cold

40

60

95

SENSOR

ERROR

CURRENT

ERROR

LOCK 

ERROR

• The electric contact between the connectors

(5-pin, male in the wire harness and 5-pin female in the hall
sensor) is bad or unstable.

Reconnect or repair the contact in the connector.

• The connector (6-pin, male, natural) in the wire harness is not

connected to the connector (6-pin, female, natural) of PWB
assembly (Main) or the electric contact of connectors is
bad/unstable.

Reconnect or repair the contact in the connector. 

• The electric contact between the connectors 

~6-pin, male in the

wire harness and 6-pin female in the controller (Main)

₩is bad or

unstable.

Reconnect or repair the contact in the connector.

• The wire harness between hall sensor in the MOTOR and PWB

assembly (Main) is cut (open circuited).

Repair/replace the damaged WIRE HARNESS.

• The hall sensor is out of order/defective.

Replace the motor

• The controller (Main) is out of order/defective.

Replace the PWB assembly (Main)

• PWB assembly (Main) is out of order.

Replace the PWB assembly (Main).

• Winding in the MOTOR is short-circuited.

Replace the motor

• The connector (3-pin, male, white) in the wire harness is not

connected to the connector (3-pin, female, white) of MOTOR.

Reconnect or repair the connector.

• The electric contact between the connectors 

~3-pin, male, 

white in the wire harness and 6-pin, female, white in the PWB

assembly (Main)

₩is bad or unstable.

Reconnect or repair the contact in the connector.

• The wire harness between the MOTOR and PWB assembly

(Main) is cut (open circuited).

Repair the damaged (open-circuited) WIRE HARNESS.

• The hall sensor is out of order/defective.

Replace the PWB assembly (Main).

400

600

800

Cold

40

60

95

400

600

800

Super

Normal

Hold

400

600

800

9-1.DIAGNOSIS AND ANSWER FOR ABNORMAL OPERATION

NO POWER 

Water inlet trouble

Is the power plug connected firmly to 

220-240V outlet?

Power failure? or Breaker opened?

Is the outlet controlled by a switch.

Visit to check 

Is no inlet displayed?

Is the tap opened?

Is the tap frozen?

Is the water supply shut-off?

Is filter in the inlet valve clogged with foreign

material?

Visit to check 

Clean the filter of
inlet valve

9. ERROR DIAGNOSIS AND CHECK LIST

°DOOR OPEN ERROR

Refer to 
8-4 ERROR DISPLAY

°Drain trouble

Did you press the Start/Pause button when

the door is open?

Visit to check

Is no drain displayed?

Is the debris filter clogged with foreign

material such as pins, coins etc.?

Is the drain hose frozen with water,  kinked,

or crushed?

Visit to check 

There are operating noise from drain pump

when operated spinning.

Close the door 

Clean up 
the filter.