DOWNLOAD LG WM-12230FB Service Manual ↓ Size: 1.62 MB | Pages: 35 in PDF or view online for FREE

Model
WM-12230FB
Pages
35
Size
1.62 MB
Type
PDF
Document
Service Manual
Brand
Device
Washing Machine
File
wm-12230fb.pdf
Date

LG WM-12230FB Service Manual ▷ View online

12
6. WIRING DIAGRAM
/ PROGRAM CHART
 
42
87
26
51
11
58
58
57
2:35(2:34)
/Silk
❋ 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
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
selected, the beginning water temperature can not be changed.
※(   ) : WD-80230FB
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.
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.
~Press the START/PAUSE button more 4 times until stop spinning₩
7-3.HOW TO KNOW THE WATER LEVEL FREQUENCY
Press the Bio 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/PAUSEbutton
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)-80230FB
Motor rpm (About 100~106) : WD(M)-10230(5)FB/90230(5)FB
Motor rpm (About 107~103) : WD(M)-11230(5)FB/11230(5)FBB(N)
Motor rpm (About 114~120) : WD(M)-12230(5)FB/WD-12260FB
Motor rpm (About 122~127) : WD(M)-13230(5)FB/13230(5)FBB(N)/WD-13262FB
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 
d
e, d
e, d
e, 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 
d
e, 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
• 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 
• 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
• The Wire Harness between hall sensor in the MOTOR and PWB
ASSEMBLY (Main) is cut (open circuited).
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
• 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
• The wire harness between the MOTOR and PWB ASSEMBLY (Main) is cut
(open circuited).
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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