LG WT-Y148RG Service Manual ▷ View online
29
4-1. SCHEMETIC DIAGRAM
4. SERVICE INFORMATION
30
4-2. WIRING DIAGRAM
BASE / LINE
P/No.:3854EA3016G
B.P SENSOR
LID S/W
DRAIN
PUMP
DRAIN
MOTOR
HARDNESS
SENSOR
MOTOR
CAPACITOR
1 2
1
1 2 3 4
1 2 3 4
RD
BL
BL
1 2 3 4
RD
1 2 3 4 5 6 7 8 9
10
CON
NA
1 2 3
BL
WIRING DIAGRAM
CONTROLLER ASSEMBLY
BL
(WH
)
BN
(BK
)
BL
A
(8)
B
(8-1)
OR
BL/WH
WH/BK
BK
BL
BL
RD
YL
BL
BL
WH
WH
WH
BK
BK
BK
PK
RD (R)
YL (L)
BL
/
WH
GY
WH
WH
BL (WH
)
GN/YL (GN
)
BN(BK)
H.V
C.V
S.V
C
D
(22)
(22-1)
NOTES
#187 RECEPTACLE
#250 RECEPTACLE
1 PIN HOUSING
2 PIN HOUSING
3 PIN HOUSING
(Classification)
spec
Wiring
AB
C
D
1Valve
Pump
N-Pump
Pump
N-Pump
2Valve
TDE
TDE
TDE
TDE
X
XX
X
X
X
XX
31
4-3. PROGRAM TIME CHART
Contents of changed algorithm by the sensor
Algorithm change :TThe algorithm is automatically changed to operate at the optimum
T
T
condition according to the condition detected by the sensor.
LED Display
Orange
Green
Red
Wash Condition
Low Temperature
High Hardness
Little Detergent
High Hardness
Little Detergent
Moderate Condition
High Temperature
Low Hardness
Much Detergent
Low Hardness
Much Detergent
Change Factor
Wash time
Wash time
Wash pattern (Off time)
Spin time
Rinse w. level
Rinse times
Wash pattern (Off time)
Spin time
Rinse w. level
Rinse times
Change Level
Max +8 min.
Max -4 min.
Max +0.2 sec.
Max +2 min.
Max -0.2kHz
Deep rinse addition
Max +0.2 sec.
Max +2 min.
Max -0.2kHz
Deep rinse addition
Program
Water
Level
Wash
Rinse
1st Deep Rinse
2nd Deep Rinse
3nd Deep Rinse
Spin
Fuzzy
(Normal)
Jean
Smart
Cleaning
Wool
Quick
Wash
Silent
Tub Clean
min sec
sec sec sec sec sec sec sec
sec sec sec
sec sec
sec
min min
min min min
min min
min min min
sec
min
W
ater Suppy
Soak
W
ashing
Drain
Inter
mittent Spin
No Power spin
Shower
Drain
Inter
mittent Spin
High Speed Spin
Inter
mittent Spin
W
ater Suppy
Rinsing
Drain
Inter
mittent Spin
No Power spin
W
ater Suppy
Rinsing
Drain
Inter
mittent Spin
No Power spin
W
ater Suppy
Rinsing
Drain
Inter
mittent Spin
High Speed Spin
No Power spin
Program
10
9
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
10
9
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
10
9
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
10
9
8
7
6
5
4
3
8
7
6
5
4
3
(11)
10
9
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
10
4
3
2
1
3
2
1
7
7
6
6
6
6
5
5
3
3
7
7
6
6
6
6
5
5
3
3
7
7
6
6
6
6
5
5
3
3
7
7
6
6
6
6
5
5
5
5
3
2
7
7
7
6
6
6
6
5
5
3
3
7
7
6
6
6
6
5
5
3
3
7
7
6
6
6
6
5
5
3
3
7
7
6
6
6
6
5
5
3
3
7
7
6
6
6
6
5
5
5
5
3
2
7
7
7
6
6
6
6
5
5
3
3
7
15
15
15
14
14
14
13
13
15
15
14
14
14
13
13
9
9
9
15
15
15
14
14
14
13
13
15
15
14
14
14
13
13
9
9
9
15
15
15
14
14
14
13
13
15
15
14
14
14
13
13
9
9
6
6
6
6
6
6
6
6
2
2
2
2
9
6
6
6
6
6
6
6
6
2
2
2
2
15
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
125
5
5
4
4
4
4
3
3
3
3
5
5
4
4
4
4
3
3
3
3
5
5
4
4
4
4
3
3
3
3
5
5
4
4
4
4
3
3
3
3
2
2
5
5
5
4
4
4
4
3
3
3
3
5
5
4
4
4
4
3
3
3
3
5
5
4
4
4
4
3
3
3
3
5
5
4
4
4
4
3
3
3
3
5
5
4
4
4
4
3
3
3
3
2
2
5
5
5
4
4
4
4
3
3
3
3
5
130
130
120
120
120
120
100
100
100
100
130
130
120
120
120
120
100
100
100
100
130
130
120
120
120
120
100
100
100
100
100
100
100
130
120
120
120
120
100
100
100
100
130
130
120
120
120
120
100
100
100
100
130
130
120
120
120
120
100
100
100
100
100
100
100
90
90
90
80
80
90
90
70
70
90
90
80
80
90
90
70
70
130
130
130
120
120
120
120
100
100
100
100
130
130
120
120
120
120
100
100
100
100
130
130
120
120
120
120
100
100
100
100
130
120
120
120
120
100
100
100
100
7
7
6
6
6
6
5
5
3
3
7
7
6
6
6
6
5
5
3
3
7
7
6
6
6
6
5
5
3
3
7
7
6
6
6
6
5
5
5
5
3
2
7
7
7
6
6
6
6
5
5
3
3
7
7
6
6
6
6
5
5
3
3
7
7
6
6
6
6
5
5
3
3
7
7
6
6
6
6
5
5
3
3
7
7
6
6
6
6
5
5
5
5
3
2
7
7
7
6
6
6
6
5
5
3
3
7
5
5
4
4
4
4
3
3
3
3
5
5
4
4
4
4
3
3
3
3
5
5
4
4
4
4
3
3
3
3
5
5
4
4
4
4
3
3
3
3
2
2
5
5
5
4
4
4
4
3
3
3
3
0
5
4
4
4
4
3
3
3
3
5
5
4
4
4
4
3
3
3
3
5
5
4
4
4
4
3
3
3
3
5
5
4
4
4
4
3
3
3
3
2
2
5
5
5
4
4
4
4
3
3
3
3
0
5
5
5
5
5
5
4
4
4
4
5
5
5
5
5
5
4
4
4
4
5
5
5
5
5
5
4
4
4
4
5
5
5
5
5
4
4
4
4
5
5
5
5
5
5
4
4
4
4
5
5
5
5
5
5
4
4
4
4
150
150
150
130
130
130
110
110
100
100
150
150
150
130
130
130
110
110
100
100
150
150
150
130
130
130
110
110
100
100
150
150
150
130
130
130
110
110
150
150
130
130
130
110
110
100
100
150
150
150
130
130
130
110
110
100
100
150
150
150
130
130
130
110
110
100
100
150
150
150
130
130
130
110
110
90
90
70
70
90
70
70
150
150
150
150
130
130
130
110
110
100
100
150
150
150
130
130
130
110
110
100
100
80
5
5
4
4
4
4
3
3
3
3
5
5
4
4
4
4
3
3
3
3
5
5
4
4
4
4
3
3
5
4
4
4
4
3
3
3
3
5
5
4
4
4
4
3
3
3
3
5
5
4
4
4
4
3
3
5
5
5
4
4
4
4
3
3
3
3
5
5
4
4
4
4
3
3
3
3
130
130
120
120
120
120
100
100
100
100
130
130
120
120
120
120
100
100
100
100
100
100
100
130
120
120
120
120
100
100
100
100
130
130
120
120
120
120
100
100
100
100
100
100
100
90
900
90
80
80
80
80
130
130
130
120
120
120
120
100
100
100
100
130
130
120
120
120
120
100
100
100
100
7
7
6
6
6
6
5
5
3
3
7
7
6
6
6
6
5
5
3
3
7
7
6
6
6
6
5
5
7
6
6
6
6
5
5
3
3
7
7
6
6
6
6
5
5
3
3
7
7
6
6
6
6
5
5
7
7
7
6
6
6
6
5
5
3
3
7
7
6
6
6
6
5
5
3
3
5
5
4
4
4
4
3
3
3
3
5
4
4
4
4
3
3
3
3
7
7
6
6
6
6
5
5
3
3
7
6
6
6
6
5
5
3
3
130
130
120
120
120
120
100
100
100
100
130
120
120
120
120
100
100
100
100
120
30 60 60 20
120
120
60
60
120
120
120
60
120
3
3
3
3
3
120
3
3
3
3
3
3
200
200
200
60
102
200
200
32
4-4. DISASSEMBLY INSTRUCTION
Be sure to unplug the power to repair and
replace electric parts.
replace electric parts.
1) Disassembly of Front Panel
& PCB Assembly
Remove two screw caps using a sharp tool
and two front panel fixing screws.
and two front panel fixing screws.
Push the front panel to the left side then
pull it out.
pull it out.
Disconnect the leads from the controller.
Remove 6 screw from the front panel.
Remove the PCB Assembly.
Fuse is located in the PCB assembly For fuse
replacement use the following rated fuse
* Rating of fuse
replacement use the following rated fuse
* Rating of fuse
- 250V 6A fusing type for 220-240V product
- 125V 12A fusing type for 100-127V product
- 125V 12A fusing type for 100-127V product
leads
PCB Assembly
Fuse
Be sure to make earth connection for trouble
diagnosis and parts replacement. If impossible,
touch earth wire on the body to remove electric
deviation between the body and product before
work.
diagnosis and parts replacement. If impossible,
touch earth wire on the body to remove electric
deviation between the body and product before
work.
CAUTION FOR ELECTROSTATICS
Click on the first or last page to see other WT-Y148RG service manuals if exist.