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PCB Layout (Main)

Dry Heater

Dry Fanmotor

Before servicing ask the customer what the trouble is.
Check the adjustments. (Power supply :220-240V~, Removal of transit bolts etc..)
Check the troubles referring to the troubleshooting.
Decide service steps referring to disassembly instructions.
Then, service and repair.
After servicing, operate the appliance to see whether it works OK or NOT.

7. TROUBLESHOOTING

7-1. CHECK BEFORE SERVICE

7-2. LOAD TEST MODE

1 Touch and Hold ‘

Wash

’ & ‘

Spin

’ buttons

and then press ‘

Power

’ button.

2 The washer must be empty and the controls must be in the off state.

3 Press Power with above two buttons pressed and then buzzer will sound.

4 Press the Start/Pause button repeatedly to cycle through the test modes

1

2

3

4
5
6

None 

1 time 

2 times 

3 times 

4 times 

5 times 

6 times 

7 times 

9 times 

10 times 

11 times 

12 times 

13 times 

14 times 

15 times

16 times 

Turns on all lamps and locks the door.

Tumble clockwise.

Low speed Spin.

High speed Spin.

Inlet valve for prewash turns on.

Inlet valve for main wash turns on.

Inlet valve for hot water turns on.

Inlet valve for steam turns on.

Tumble counterclockwise.

Heater turns on for 3 sec.

Circulation pump turns on.

Drain pump turns on.

Dry Fan / Dry Heater turn on.

Water level Sensor for Steam

Steam Heater turns on for 1.2 sec.

Off

rpm (42~50)

rpm (55~65)

rpm (125~155)

Water level frequency (25~65)

Water level frequency (25~65)

Water level frequency (25~65)

Water level frequency (25~65)

rpm (42~50)

Water temperature

Water level frequency (25~65)

Water level frequency (25~65)

Dry Fan / Dry Heater 5min

Water level frequency of TSG (0~255)

TSG temperature

-

Number of times the

Start/Pause button is pressed

Check Point

Display Status

7-3. HOW TO CHECK THE WATER LEVEL FREQUENCY 

7-4. HOW TO CHECK THE TEMPERATURE OF EACH THERMISTOR

AT OPERATING CONDITION.

040

045

000

100

021

041

045

097

000

045

112

000

248

084

000

026

145

000

The digits indicate the water level frequency.
For example, if 255 is displayed 
the water level frequency is 25.5kHz (255 X 0.1).

Data View Type : In case of ‘040’

Touch the 

Temp.

and 

Pre Wash

button simultaneously.

If the knob is turned, the data view type is changed from 40 to 49

Touch the 

Temp.

and 

Pre Wash

button simultaneously.

If the knob is turned, the data view type is changed from 40 to 49

040

045

000

100

021

041

045

097

000

045

112

000

248

036

000

026

145

000

Thermistor in tub temperature

Data View Type : In case of ‘040’

If you press the Start/Pause button in error condition, any error except 

will disappear and the

machine will change into the pause status.
In case of 

, 

, if the error is not resolved within 20 sec., and in case of all other errors, if the

error is not resolved within 4 min., the power will turn off automatically and the error only will blink.
But in the case of 

, the power will not turn off.

7-5. ERROR DISPLAY

WATER 

I

NLET

E

RROR

• Not reached the water level(248) within 10 minutes

after water supplied or not reached to the preset

water level within 25 minutes. 

Page 26

U

NBALANCE

E

RROR

• The appliance is tilted.

• Laundry is gatherd to one side. 

Page 27

WATER 

O

UTLET

E

RROR

• Not fully drained within 10 minutes.

Page 28

OVER

F

LOW

E

RROR

• Water is overflowing (under 21.3kHz).

If "            " is displayed, the drain pump operates 

to drain the water automatically.

Page 30

P

RESSURE SENSOR

S/W 

E

RROR

• The pressure sensor switch is out of order.

Page 31

D

OOR OPEN 

E

RROR

• In case of operating the reservation function or the

other function with door opened. Close the door,

then the error display is resolved.

• The door switch is out of order.

Page 32

T

HERMISTOR(HEATING)

E

RROR

• The THERMISTOR is out of order.

Page 33