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Wiring Diagram 3/3

PCB Layout (Main)

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. BEFORE SVC CHECKING

7-2. LOAD TEST MODE

1 Press and Hold ‘

Option (Right)

’ & ‘

Rinse

’ 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 

8 times 

9 times 

10 times 

11 times 

12 times 

13 times

14 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.

Turmble counter clockwise

Heater turns on for 3 sec.

Circulation pump turns on.

Drain pump turns on.

Water level 

Sensor for Steam

Steam Heater turns on for 1.2 sec.

Off

rpm (42~50)

rpm (60)

rpm (130~140)

Water level frequency

Water level frequency

Water level frequency

Water level frequency

rpm

Water temperature

Water level frequency 

Water level frequency 

AG Temperature

-

Number of times the

Start/Pause button is pressed

Check Point

Sw 2,3 open

Sw 2,3 op

Display Status

7-3. HOW TO CHECK THE WATER LEVEL FREQUENCY 

7-4. HOW TO KNOW TO 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.
So, for example a display indicating 255 :
a water level frequency of (255 X 0.1) = 25.5KHz

Data View Type : In case of ‘040’

Press the 

Temp.

and 

Pre wash

button simultaneously.

If the knob turn around, The data view type is changed from 40 to 49

Press the 

Temp.

and 

Pre wash

button simultaneously.

If the knob turn around, 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’