LG WT-R1275TH Service Manual ▷ View online
24
4. SERVICE INFORMATION
4-1. SCHEMETIC DIAGRAM
25
4-2. WIRING DIAGRAM
A) For Pump Model
B) For non Pump Model
WIRING DIAGRAM
WIRING DIAGRAM
26
4-3. PROGRAM TIME CHART
1) Program chart
Water Supply
Washing
Drain
Intermittent Spin
No Power
Spin
Rotate
Shower
Drain
Intermittent Spin
High Speed
Spin
No Power
Spin
Water Supply
Rinsing
Drain
Intermittent Spin
High Speed
Spin
No Power
Spin
Water Supply
Rinsing
Drain
Intermittent Spin
High Speed
Spin
No Power
Spin
Power Off
Delicate
Ex-large
7
1
0
4
1
9
4
"
-
-
-
-
-
2
7
3
4
1
9
4
"
-
2
7
3
4
1
9
4
"
-
2
1
0
"
E
xL-L
6
1
0
4
1
94"
-----2
6
3
4
1
9
4
"
2
6
3
4
1
9
4
"
-2
1
0
"
Large
6
1
0
4
1
9
4
"
-----2
6
3
4
1
9
4
"
-2
6
3
4
1
9
4
"
-2
1
0
"
Default
L
-M
5
10
3
194"
-
-
-
-
-
2
5
3
3
194"
2
5
3
3
194"
-
2
1
0
"
Medium
5
1
0
3
1
94"
-
-
-
-
-
2
5
3
3
1
94"
-
2
5
3
3
1
94"
-
2
10"
M
-S
4
10
3
194"
-
-
-
-
-
2
4
3
3
194"
2
4
3
3
194"
-
2
1
0
"
Small
3
1
0
3
194"
-
-
-
-
-
2
3
3
3
194"
-
2
3
3
3
194"
-
2
10"
Wool
Ex-large
7
5
4
1
9
4
"
-
-
-
-
-
2
7
3
4
1
9
4
"
-
2734
1
9
4
"
-
2
1
0
"
E
xL-L
6
5
4
1
94"
-
----2
6
3
4
1
9
4
"
-
2634
1
9
4
"
-
2
1
0
"
Large
6
5
4
1
9
4
"
-
----2
6
3
4
1
9
4
"
-
2634
1
9
4
"
-
2
1
0
"
Default
L
-M
5
5
3
194"
-
-
-
-
-
2533
194"
-
2533
194"
-
2
1
0
"
Medium
5
5
3
1
94"
-
-
-
-
-
2533
1
9
4
"
-
2533
1
9
4
"
-
2
1
0
"
M
-S
4
5
3
194"
-
-
-
-
-
2433
194"
-
2433
194"
-
2
1
0
"
Small
3
5
3
194"
-
-
-
-
-
2333
194"
-
2333
194"
-
2
10"
Normal
Ex-large
7
2
1
4
1
3
5
"
2
4
5
"
45"
45"
4
1
2
8
"
2
0
"
273-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
4
1
94"
5
2.5
10"
E
xL-L
6
2
1
21
21
21
4
1
35"
2
4
1
28"
20"
2
6
3
4
1
94"
5
2
1
0
"
Large
6
4
1
3
5
"
2
4
1
2
8
"
2
0
"
2
6
3
4
1
9
4
"
5
2
1
0
"
L
-M
5
3
135"
1.5
3
0
"
3
1
28"
20"
1.5
5
3
3
194"
5
2
1
0
"
Medium
5
15
15
3
135"
1.5
3
0
"
3
1
28"
20"
1.5
5
3
3
194"
5
1.5
10"
M
-S
4
3
135"
1.5
3
0
"
3
1
28"
20"
1.5
4
3
3
194"
3
1.5
1
0
"
Small
3
3
135"
1.5
3
0
"
3
1
28"
20"
1.5
3
3
3
194"
3
1.5
10"
Speedy
Ex-large
7
1
0
-
-
-
-
------4
1
9
4
"
2
0
"
2
7
3
4
1
9
4
"
3
2
1
0
"
E
xL-L
6
1
0
-
---------4
1
9
4
"
2
0
"
2
6
3
4
1
9
4
"
3
2
1
0
"
Large
6
1
0
-
---------4
1
9
4
"
2
0
"
2
6
3
4
1
9
4
"
3
2
1
0
"
L
-M
5
1
0
----------3
194"
2
0
"
2
5
3
3
194"
3
2
1
0
"
Medium
5
1
0
-
---------3
1
9
4
"
2
0
"
2
5
3
3
1
9
4
"
3
2
1
0
"
Default
M
-S
4
1
0
----------3
194"
2
0
"
2
4
3
3
194"
3
2
1
0
"
Small
3
1
0
-
-
-
-
-
-----3
194"
2
0
"
2
3
3
3
194"
3
2
10"
Jean
Ex-large
7
2
1
4
1
9
4
"
-
-
-
-
2
2
7
3
4
1
9
4
"
22734
1
9
4
"
5
2
.5
1
0
"
E
xL-L
6
2
1
21
21
21
4
1
9
4
"
----2
2
6
3
4
1
9
4
"
22634
1
9
4
"
52
1
0
"
Large
6
4
1
9
4
"
----2
2
6
3
4
1
9
4
"
22634
1
9
4
"
52
1
0
"
L-M
5
15
3
194"
----2
1
.5
5
3
3
194"
2
1.5
5
3
3
194"
5
2
1
0
"
Medium
5
15
3
194"
----2
1
.5
5
3
3
194"
2
1.5
5
3
3
194"
5
1.5
10"
M
-S
4
3
194"
----2
1
.5
4
3
3
194"
2
1.5
4
3
3
194"
3
1.5
1
0
"
Small
3
3
194"
----2
1
.5
3
3
3
194"
2
1.5
3
3
3
194"
3
1.5
10"
WASH OPTION
Wash Time
5, 10, 15, 21min
Rinse Times
1
, 2, 3, 4
Spin Time
1
, 3, 5, 7min
* No Power Spin : Spin by remained power
* Time Unit is minute in the chart (34" : 34 second)
* Total time for full process can be changeable depending on the water pressure.
Spin
Wash
1st Deep Rinse
2nd Deep Rinse
27
4-4. DISASSEMBLY INSTRUCTION
Be sure to unplug the power to repair and replace
electric parts.
1) Disassembly of Back panel (joined
control panel) & PCB Assembly
Remove two back panel fixing screws on the back
side.
Pull the back panel (joined control panel) to the
upside.
Disconnect the leads from the controller
Remove 6 screw from the back panel (joined
control panel)
Remove the PCB Assembly.
2) Disassembly of Power Cord, Inlet Valve
ASM, D.T Housing ASM and Pressure
Switch
Switch
Open lid assembly and disassemble detergent box.
Disassemble back panel (joined control panel) from
top cover.
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
HOT
S
M
L
XL
HEAVY
SOAK
NORM
AL
LIGHT
COLD
Back panel
Leads
PCB Assembly
Back panel
Lid ASM
Detergent
Box
Box
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