DOWNLOAD LG WM-12225FD Service Manual ↓ Size: 3.25 MB | Pages: 36 in PDF or view online for FREE

Model
WM-12225FD
Pages
36
Size
3.25 MB
Type
PDF
Document
Service Manual
Brand
Device
Washing Machine
File
wm-12225fd.pdf
Date

LG WM-12225FD Service Manual ▷ View online

* Water Supply : W·S        * Intermittent Spin : I·S        * Disentangle : D·T
*                       Basic Cycle
*                       Optional Cycle                          
* Pre-Setting Time : Water Supply - 120 sec.                                                        * Basic time is minute in washing chart
Drain          - 60 sec.                                                      
* The actual program time can be varied with the load amount,
* ~ Time for varies as the temperature or      the amount of laundry                          water temperature or ambient tempe rature
Washing
Rinse
Spin
W
·
S
Pre
Main
Washing
Drain
I
·
S
W
·
S
Rinsing
Washing
Staycooling
Heating
Washing
Drain
W
·
S
1
2
3
7
6
5
4
9
8
10
Normal
Drain
I
·
S
11
12
1
W
·
S
Rinsing
13
14
Drain
I
·
S
15
16
2
W
·
S
Rinsing
17
18
Drain
I
·
S
19
20
W
·
S
Rinsing
21
22
Drain
I
·
S
23
24
W
·
S
Rinsing
25
26
Rinse +
Drain
Spin

T
A
U
T
O
O
F
F
3
4
27
28
29
20
E
N
D
20
Cotton
(BIG)
Normal
Working
Time
(Hour:Minute)
About 2:45
120 MIN 60
MIN
120
240
60
120
60
60 240 120 360 60 240 120 360 60 240 120 360 60 240 120 360 60 480 120 20
20
C
Y
C
L
E
S
T
E
P
C
O
U
R
S
E
Time
(SEC)
8
42
~
87
Synthetic
Delicate
Wool/Silk
About 1:03
About  1:01
About 1:39
4
18
Drain
About    1
Rinsing
+ Spin
About    23
4
18
26
~
51
Handwash
About    55
4
24
Quick
About    30
Cotton
(Small)
About 2:41
8
42
~
47
12
6. WIRING DIAGRAM
PROGRAM CHART
MAIN PWB(DD)
MAIN PWB(DD)
DISPLAY
DISPLAY
PWB  
PWB  
: TERMINAL+ HOUSING (#250)
: TERMINAL+ HOUSING (#250)
: TERMINAL (#250)
: TERMINAL (#250)
PRESSURE
PRESSURE
SENSOR
SENSOR
THERMISTOR   
THERMISTOR   
(S)
(S)
(S)
(S)
(G)
(G)
DOOR LOCK S/W
DOOR LOCK S/W
HEATER
HEATER
WIRE COLOR : BASE/LINE
WIRE COLOR : BASE/LINE
: EARTH TERMINAL
: EARTH TERMINAL
: "n" PIN CONNECTOR
: "n" PIN CONNECTOR
n
n
+
+
HbHb
HaHa
GNDGND
Motor
Motor
WH
WH
2
2
2
2
1
1
1
1
NA
NA
WH
WH
BL
BL
1
1
2
2
1
1
2
2
3
3
3
3
WH
WH
VL
VL WH
WH
WH
WH
BL
BL
OR
OR
WH
WH
2
2
2
2
3
3
3
3
W
W
1
1
1
1
V
V
U
U
5
5
5
5
4
4
4
4
3
3
3
3
2
2
2
2
1
1
1
1
YL
YL
RD
RD BL
BL
GY
GY
BL
BL
RD
RD
WH
WH
2
2
NA
NA
2
2
1
1
1
1
4
4
3
3
4
4
3
3
1
1
3
3
2
2
RD
RD
1
1
3
3
2
2
5
5
5
5
NA
NA
3
3
2
2
1
1
2
2
3
3
1
1
4
4
4
4
CIRCULATION
CIRCULATION
3
3
2
2
1
1
INLET VALVE
INLET VALVE
1
1
P
P
E
E
R
R
1
1
2
2
H
H
T
T
O
O
2
2
1
1
2
2
M
M
I
I
A
A
N
N
PTC
PTC
PUMP
PUMP
DRAIN
DRAIN
PUMP
PUMP
3
3
BK
BK
NA
NA
BK
BK
1
1
2
2
1
1
2
2
2
2
BK
BK
1
1
2
2
1
1
RD
RD
BL
BL
WH
WH
GY
GY
BK
BK
WH
WH
SBL
SBL
BK
BK
WH
WH
BK
BK
YL
YL
BN
BN
RD
RD
YL
YL
BK
BK
1
1
RD
RD
1
1
NA
NA
RD
RD
POWER
POWER
CORD
CORD
GN/YL
GN/YL
WH
WH
WASHING
WASHING
GN
GN
FUSEFUSE
YL
YL
RD
RD
YL
YL
YL
YL
GN
GN
BK
BK
P
P
C
C
C
C
P
P
BL
BL
BN
BN
NA
NA
1
1
2
2
6
6
1
1
2
2
6
6
3
3
4
4
3
3
4
4
1
1
3
3
BL
BL
2
2
1
1
3
3
2
2
RD
RD
2
2
1
1
2
2
1
1
3
3
3
3
WH
WH
3
3
2
2
1
1
3
3
2
2
1
1
13
7. TROUBLESHOOTING
7-1.BEFORE PERFORMING SERVICE
Be careful of electric shock or disconnecting the parts while troubleshooting.
Voltage of each terminal in 220-240V~ and DC while applying an electric current.
7-2.QC TEST MODE.
Pressing  Option1, and Spin button simultaneously.
Power supply on with pressing upper two button.Then buzzer sound twice.
Press the Start/Pause button as follows.
Press the Start/Pause button more 4 times until stop spinning
7-3.HOW TO KNOW THE WATER LEVEL FREQUENCY
Press the Rinse and Spin button simultaneously.
ex) 241 : Water level frequency = 241
10-1
=24.1
The digits means water level frequency (10
-1 
Pressing number of
Start/Pause button
Checking Point
Display Status
None
All lamps turn on
1 time
Clockwise spin (right)
Drum rpm (About 40~50)
2 times
Low speed Spin
Drum rpm (About 53~65)
3 times
High speed Spin
Drum rpm (About 140~160)
4 times
Inlet valve for prewash operation
Water level frequency (25~65)
5 times
Inlet valve for mainwash operation
Water level frequency (25~65)
Hot inlet valve in case of hot water fill
6 times
Inlet valve for mainwash operation 
Water level frequency (25~65)
7 times
Counterclockwise spin (left)
Drum rpm (About 40~50)
8 times
Heater is in operation for 3 sec.
Water temperature
9 times
Circulation pump operation
Water level frequency
10 times
Draining pump operation
Water level frequency
11 times
Auto off operation
14
ERROR SYMPTOM
CAUSE
1
WATER INLET
Water has not reached to the pre-set level within 8 min. since
ERROR
inlet valve operated, or water has not reached to the normal
level within 25 min.
Load is too small. 
2
IMBALANCE
The appliance is tilted. 
ERROR
Laundry is gathered to one side.
Non-distributable things are put into the drum.
3
DRAIN ERROR
Water has not drained enough within 10 min.
4
OVERFLOW
Water is automatically being pumped out because too much
ERROR
water is in the tub.
5
SENSOR 
PRESSURE
The sensor pressure switch is out of order.
S/W ERROR
6
DOOR OPEN
The 
Start/Pause
button is pressed with the door open.
ERROR
The door switch is out of order.
7
HEATING
ERROR
The THERMISTOR is out of order.
7-4.ERROR DISPLAY.
If you press the Start/Pause button when an error in displayed, any error except        will disappear and
the machine will change into pause status.
In case of 
if the error is not resolved within 20 sec. In the case of other errors,
if the error is not resolved within 4 min., power will be turned off automatically and the error only will be
blinked. But in the case of    
, power will not be turned off.
15
ERROR
SYMPTOM CAUSE
8
9
• MAIN PWB ASSEMBLY is out of order
Replace the MAIN PWB ASSEMBLY
• Winding in the STATOR ASSEMBLY is short-circuited.
Replace the STATOR ASSEMBLY
• The connector (3-pin, male, white) in the LEAD WIRE ASSEMBLY
is not connected to the connector (3-pin, female, white) of
STATOR ASSEMBLY.
Reconnect or repair the connector
• The electric contact between the connectors 3-pin, male, white in
the LEAD WIRE ASSEMBLY and 4-pin, female, natural in the
MAIN PWB ASSEMBLY is bad or unstable.
Reconnect or repair the contact in the connector
• The LEAD WIRE ASSEMBLY between the STATOR ASSEMBLY
and MAIN PWB ASSEMBLY is cut (open circuited).
Repair the damaged (open-circuited) the LEAD WIRE
ASSEMBLY
• The hall sensor is out of order/defective.
Replace the STATOR ASSEMBLY
CURRENT
ERROR
LOCK
ERROR
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