LG WD-12230TB / WD-12231TB Service Manual ▷ View online
12
6. WIRING DIAGRAM
/ PROGRAM CHART
❋ Pre Wash : If the laundry is heavily soiled, “Pre Wash” course is effective. Pre Wash is available in Cotton and Synthetic Program.
❋ Eco : By selecting Eco function, the water temperature is reduced and washing time is lengthened. So you can economize in your
❋ Eco : By selecting Eco function, the water temperature is reduced and washing time is lengthened. So you can economize in your
consumption of energy.
❋ Rinse+ : If you wish to rinse more, the Rinse+ function will remove any trace of detergents.
❋ Bio : If you want to eliminate protein stains (milk, blood, chocolate...), you may select Bio function by pressing the option button.
❋ Quick 30 : By selecting this function, you may wash a small quantity of colored laundry which is lightly soiled fast.
❋ You can select Bio function and Eco function when temperature is higher than 60˚C in Cotton and Synthetic. If the function is
❋ Bio : If you want to eliminate protein stains (milk, blood, chocolate...), you may select Bio function by pressing the option button.
❋ Quick 30 : By selecting this function, you may wash a small quantity of colored laundry which is lightly soiled fast.
❋ You can select Bio function and Eco function when temperature is higher than 60˚C in Cotton and Synthetic. If the function is
selected, the beginning water temperature can not be changed.
* Water Supply : W·S * Intermittent Spin : I·S * Disentangle : D·T
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
D·
T
T
A
U
T
O
O
O
F
F
F
3
4
27
28
29
20
E
N
D
D
20
Cotton
Normal
Working
Time
(Hour:Minute)
About 1:40
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
O
U
R
S
E
E
Time
(SEC)
8
42
~
87
Synthetic
Delicate
Wool/Silk
About 1:00
About 1:00
About 1:30
4
18
Drain
About 1
Rinsing
+ Spin
About 21
4
18
26
~
51
Handwash
About 1:00
4
24
Quick
About 30
Baby Care
About 2:20
8
42
~
87
* Basic Cycle
* Optional Cycle
* Pre-Setting Time : Water Supply - 120 sec. * Basic time is minute in washing chart
* 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
7-1.BEFORE PERFORMING SERVICE
■ Be careful of electric shock or disconnecting the parts while trouble shooting.
■ Voltage of each terminal in 220-240V and DC while applying an electric current.
■ Voltage of each terminal in 220-240V and DC while applying an electric current.
7-2.QC TEST MODE.
① Pressing Crease Care, and Pre Wash button simultaneously.
② Power button ON with pressing upper two button. then buzzer sound twice.
③ Press the START/PAUSE button as follows.
② Power button ON with pressing upper two button. then buzzer sound twice.
③ 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 Medic Care Rinse and Time delay button simultaneously.
ex) 241 : Water level frequency = 241× 10-1kHz
=24.1kHz
13
7. TROUBLESHOOTING
The digits means water level frequency (10
-1
kHz)
Pressing number of
［START/PAUSE］button
Checking Point
Display Status
None
All lamps turn on
1 time
Clockwise spin (right)
Motor rpm (About 45)
2 times
Low speed Spin
Motor rpm (About 63~67)
3 times
High speed Spin
Motor rpm (About 79~85) : WD(M)-80380TB
Motor rpm (About 100~106) : WD-10387TBXWD(M)-10380(5)TB/90380(5)TB
Motor rpm (About 114~120) : WD(M)-11380(5)TB,
WD(M)-12380(5)TB, WD-12380(1)FBB/12380FBN
Motor rpm (About 122~127) : WD(M)-13380(5)TB
Motor rpm (About 132~137) : WD(M)-14380(5)TB, WD-14380FBB
4 times
Inlet valve for pre-wash operation
Water level frequency (25~65)
5 times
Inlet valve for main-wash operation
Water level frequency (25~65)
Hot inlet valve in case of hot water fill
6 times
Inlet valve for main-wash operation
Water level frequency (25~65)
7 times
Counterclockwise spin (left)
Motor rpm (About 45)
8 times
A Heater is in operation for 3 sec.
Water Temperature
9 times
Draining pump operation
Water level frequency
10 times
Auto off operation
14
7-4.ERROR DISPLAY.
• If you press the [Start/Pause]button 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 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 『
blinked. But in the case of 『
』, power will not be turned off.
ERROR SYMPTOM
C
CA
AU
US
SE
E
1
WATER INLET
◦ Water has not reached to the pre-set level within 4 min. since
ERROR
inlet valve operated, or water has not reached to the normal
level within 25 min.
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 5 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.
8
SENSOR
◦ The connector (5-pin, male, white) in the wire harness is not
ERROR
connected to the connector (5-pin, female) of hall sensor in
the MOTOR.
☞ Reconnect or repair the contact in the connector.
15
ERROR
SYMPTOM CAUSE
8
9
10
• The electric contact between the connectors
(5-pin, male in the wire harness and 5-pin, female in the hall sensor) is bad
or unstable.
☞ Reconnect or repair the contact in the connector
or unstable.
☞ Reconnect or repair the contact in the connector
• The connector (6-pin, male, natural) in the wire harness is not connected to
the connector (6-pin, female, natural) of PWB ASSEMBLY (Main) or the
electric contact of connectors is bad/unstable.
☞ Reconnect or repair the contact in the connector
electric contact of connectors is bad/unstable.
☞ Reconnect or repair the contact in the connector
• The electric contact between the connectors
[6-pin, male, in the wire
harness and 6-pin, female in the controller (Main)]is bad or unstable.
☞ Reconnect or repair the contact in the connector
☞ Reconnect or repair the contact in the connector
• The Wire Harness between hall sensor in the MOTOR and PWB
ASSEMBLY (Main) is cut (open circuited).
☞ Repair/replace the damaged WIRE HARNESS
☞ Repair/replace the damaged WIRE HARNESS
• The hall sensor is out of order/defective.
☞ Replace the motor
• The controller (Main) is out of order/defective.
☞ Replace the PWB ASSEMBLY (Main)
• PWB ASSEMBLY (Main) is out of order
☞ Replace the PWB ASSEMBLY (Main)
• Winding in the MOTOR is short-circuited.
☞ Replace the MOTOR
• The Connector (3-pin, male, white) in the wire harness is not connected to
the Connector (3-pin, female, white) of MOTOR.
☞ Reconnect or repair the connector
☞ Reconnect or repair the connector
• The electric contact between the connectors
[3-pin, male, white in the wire
harness and 6-pin, female, white in the PWB ASSEMBLY (Main)]is bad or
unstable.
☞ Reconnect or repair the contact in the connector
unstable.
☞ Reconnect or repair the contact in the connector
• The wire harness between the MOTOR and PWB ASSEMBLY (Main) is cut
(open circuited).
☞ Repair the damaged (open-circuited) WIRE HARNESS
☞ Repair the damaged (open-circuited) WIRE HARNESS
• The hall sensor is out of order/defective.
☞ Replace the PWB ASSEMBLY (Main)
SENSOR
ERROR
CURRENT
ERROR
LOCK
ERROR
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