LG WD-14185AD Service Manual ▷ View online
13
6. WIRING DIAGRAM / PCB LAYOUT
Full Wiring Diagram
PRESSURE
SWITCH
WASH
DRY C/DUCT
T
V
T
V
T
W
T
W
H
W
L
B
L
B
L
B
L
B
K B
BL OR
BL
OR
N B D R R O L Y
L Y D R K B
N G
K B
N B
D R
GN/YL
NOISE
FILTER
K B
K B
T
W
L B
L B
L Y
L B
K B
RD NA
NA
BL
BK
BK BK
BK
WH
WH
SB
BR BK
BK
BL
GN
/
YL
RD
YL
K B
L Y L B
L B L
B
N B
D R K B
L Y /
N G
N B
H
W K B L Y
H
W K B L Y
D R
L Y
BK
WH
NA4
BL3
BL4
YL
YL
N B D R R O L Y
L Y
D R K B
N G L B
a H b H
D N
G
BL
L
B
L
Y
Y
G
Y G
L
Y
D R
D R
D R
D R
WH
V U W
WH
WH
NA
NA
NA
WH
WH
D R /
H
W
NA3 BL1
RD2
NA1
CON4
RD1
MOTOR
POWER CORD
DOOR LOCK SWITCH
INLET VALVE
WH
WH
DRY
V/V
MAIN
V/V
PRE
V/V
HOT
V/V
CIRCULATION
PUMP
DRAIN
PUMP
H
W
R E
T A
E H
G N I
H S
A W
RD
YL
R E
T A
E H
Y R
D
MAIN PCB
DISPLAY PCB
PK
FUSE
FUSE
THERMOSTAT
iVsG
14
PCB Layout (Main)
Earth Wire Connector
15
Before servicing ask the customer what the trouble is.
Check the adjustments. (Power supply :220-240V~
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 in structions.
Then, service and repair
Decide service steps referring to disassembly in structions.
Then, service and repair
.
After servicing, operate the appliance to see whether it works OK or NOT.
7. TROUBLESHOOTING
7-1. Checking before SVC
7-2. LOAD TEST MODE
1 Press and Hold ‘
Option (Left)
’ & ‘
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
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
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 dry turns on.
Tumble counterclockwise.
Heater turns on for 3 sec.
Circulation pump turns on.
Drain pump turns on.
Dry Fan / Dry Heater turn on.
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)
rpm (42~50)
Water temperature
Water level frequency (25~65)
Water level frequency (25~65)
Dry Fan / Dry Heater 5min
-
Number of times the
Start/Pause button is pressed
Check Point
Display Status
16
7-3. HOW TO CHECK THE WATER LEVEL FREQUENCY
7-4. HOW TO CHECK THE TEMPERATURE OF EACH THERMISTOR
AT OPERATING CONDITION.
Press the
Favorite
and
Option (Left)
button simultaneously.
Press the
Option (Left)
and
Temp.
button simultaneously.
The digits means water level frequency. (10-1kHz)
ex) 241 : Water level frequency = 241 x 10-1kHz
ex) 241 : Water level frequency = 241 x 10-1kHz
Thermistor in tub temperature.
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