LG WD-12320(5)RD, WD-1290RD, WD-12311RDA, WD-1480RD, WD-12320RD Service Manual

WASHING MACHINE
SERVICE MANUAL
READ THIS MANUAL CAREFULLY TO DIAGNOSE TROUBLES CORRECTLY BEFORE OFFERING SERVICE.
MODEL : WD-12320(5)RD
WD-1290RD WD-12311RDA
JUL. 2004 PRINTED IN KOREA
P/No.:3828ER3027K
CONTENTS
1. SPECIFICATION............................................................................................................................3
2. FEATURES & TECHNICAL EXPLANATION ................................................................................ 4
3. PARTS IDENTIFICATION ............................................................................................................ 6
4. INSTALLATION ............................................................................................................................. 7
5. OPERATION ................................................................................................................................10
6. WIRING DIAGRAM / PROGRAM CHART...................................................................................12
7. TROUBLE SHOOTING................................................................................................................13
7-1.BEFORE SVC CHECKING ..................................................................................................13
7-2.QC TEST MODE..................................................................................................................13
7-3.HOW TO KNOW THE WATER LEVEL FREQUENCY.........................................................13
7-4.ERROR DISPLAY ................................................................................................................14
8. ERROR DIAGNOSIS AND CHECK LIST ....................................................................................16
8-1. DIAGNOSIS AND ANSWER FOR ABNORMAL OPERATION ...........................................16
8-2. FAULT DIAGNOSIS AND TROUBLE SHOOTING .............................................................19
9. DISASSEMBLY INSTRUCTIONS ...............................................................................................29
10. EXPLODED VIEW AND PARTS LIST .......................................................................................39
10-1. THE EXPLODED VIEW OF CABINET ASSEMBLY .........................................................39
10-2. THE EXPLODED VIEW OF CONTROL PANEL AND DISPENSER ASSEMBLY ............40
10-3. THE EXPLODED VIEW OF DRUM AND TUB ASSEMBLY .............................................41
10-4. THE EXPLODED VIEW OF DRYER ................................................................................42
2
3
1. SPECIFICATION
ITEM
WD-12320(5)RD, WD-1290RD, WD-12311RDA
PO
WER SUPPLY 220V-240V~, 50HZ
PRODUCT WEIGHT 80kg
WASHING 140W
SPIN 300W
FAN MOTOR 25W
DRAIN MOTOR 40W
WASH HEATER 2200W
DRY HEATER 2200W
WASH 45rpm
SP 400/800/1000/1200 rpm
OPERATION WATER PRESSURE 0.3-10kgf/cm
2
(30-1000kPa)
CONTROL TYPE Electronic
WASH CAPACITY 9.0kg (Cotton)
DRY CAPACITY 5.0kg (Cotton)
DIMENSION 640mm(W)
710mm(D) 940mm(H)
WASH PROGRAM
Cotton, Cotton-Eco, Synthetic, Delicate, Wool/Silk, Hand Wash, Quick 30, Duvet, Drain
RINSE Normal / Rinse+/ Rinse++/ Normal+Hold / Rinse++Hold
DOOR SWITCH TYPE Bi-Metal type
WATER LEVEL 10 steps (by sensor)
RESERVATION From 3 hours to 19 hours
SENSING OF THE LAUNDRY AMOUNT Adapted
FUZZY LOGIC Adapted
DISPLAY OF THE REMAINING TIME Adapted
ERROR DIAGNOSIS 10 items
POWER AUTO OFF Adapted
CHILD LOCK Adapted
AUTO RESTART Adapted
TIME SAVE Adapted
ELECTRICITY
CONSUMPTION
REVOLUTION
SPEED
Automatic process from washing to drying.
Automatic process from washing to drying can be selected easily. Washing capacity : 9 kg (Cotton) Drying capacity : 5 kg (Cotton)
More economical by Intelligent Wash System
Intelligent Wash System detects the amount of load and water temperature, and then determines the optimum water level and washing time to minimize energy and water consumption.
Direct Drive system
The advanced Brushless DC motor rotates the Drum directly without belt and pulley.
Child-Lock
The Child-Lock system has been developed to prevent children from pressing any button to change the program during operation.
Low noise speed control system
By sensing the amount of load and balance, evenly distributes
load to minimize the spinning noise level.
Auto Restart
Although the washing machine is turned off by a power failure, it restarts automatically in its stopped process when power is supplied again. And it will be the same when the machine unplugged in operation is plugged in again.
2. FEATURES & TECHNICAL EXPLANATION
4
2-1.FEATURES
2-2.DETERMINE WASHING TIME BY FUZZY LOGIC
To get the best washing performance optimal time is determined by sensing of water temperature,
selected washing temperature and laundry amount.
2-3.WATER LEVEL CONTROL
This model adopts a pressure sensor which can sense the water level in the tub.
Water supply is stopped when the water level to the preset level, then washing program proceeds.
Spinning does not proceed until the water in the tub reduces to a certain level.
5
FUZZY LOGIC
laundry amount
selected washing
temperature
water
temperature
washing time
rinsing time
spin rhythm, time
the best washing performance
SENSING
PROCESSING
DETERMINATION
EFFECT
3. PARTS IDENTIFICATION
6
ACCESSORIES
Spanner
Before servicing ask troubles of customers
Check the adjustment(power supply is 220-240V~, remove the transit bolts....)
Check the troubles referring to the trouble shooting. Decide service steps referring to disassembly instructions. And then, service and repair. After servicing, operate the appliance whether it works O Kor NOT.
STANDARD INSTALLATION
The appliance should be installed as follows.
REMOVE THE TRANSIT INSTALL THE APPLIANCE ADJUST THE
BOLTS ON FLAT AND FIRM SURFACE HORIZONTAL
Remove the transit bolts Turn the leveling feet to
(4EA:
)with supplied spanner. set the appliance horizontally.
Keep the transit bolts and
spanner for future use.
Insert the 4 caps
provided into the hole
The appliance goes up by
rotating the feet clockwise.
The appliance come down by
rotating the feet counter
clockwise.
4. INSTALLATION
7
1
2
HOW TO CONNECT INLET HOSE
Check that the rubber packing is inside of the
valve connector.
Connect the inlet hose firmly to prevent leak.
CONNECT DRAIN HOSE
CONNECT POWER PLUG
8
Make sure that the hose is not twisted.
The drain hose should be placed under 100cm from the floor.
Connect the power plug to the wall outlet.
Avoid connecting several electric devices,
It may be the cause of the fire.
Avoid submerging the end of the hose.
TEST OPERATION
9
Connect the power plug to the outlet.
In case of Coloreds program.
Connect the inlet hose.
Preparation for Press the POWER button. Press
the
Start/Pause
washing. button.
Press the Temp. button Check if the drum rotates Check if water is supplied
and the present temperature will
clockwise and counterclockwise.
through the detergent dispenser.
be displayed.
Power off and then power on. Check if the door can be opened after 3 minutes.
Turn off Wash and Rinse after pressing the Start/Pause button and start the machine again. Check drain and spin.
If SVC is needed during check, remove the remaining water by pulling
out the hose cap.
Check the water heating. Check automatic reverse Check the water supply.
turn.
Check drain and spin
Power off and open the
Water removal
door
10
5. OPERATION
• Use this button to turn the power
On/Off.
• Rotate the Cycle selector knob to select the cycle designed for different types of fabric and soil levels.
• Use this option to prev Press and hold PRE W lock/unlock control.
• When Child lock is set buttons are disabled ex can lock the washer w
Prewash: Use this option for loads that need pretreatment. It adds 16
minutes prewash and drain.
Rinse+Spin: Use this option to rinse and then spin.
Soak: Use this mode to wash normal clothes or think and heavy
clothes which are excessively dirty.
Spin Only: When you want Spin only, select this option.
Dry only: When you want Dry only, select this option.
• Use this button to Start/ Stop the washer.
• This display shows:
a) the estimated time remaining in the
cycle when operating.
b) an error code when an error has been
detected.
11
TIME SAVE
DRY Button Rinse, Spin, Temp. Button
TIME DELAY
revent unwanted use of the washer.
• This option can be used to reduce the time of a wash program
• To use this option press the Time Save button once before wash program is start.
• Allows the start of any cycle to be delayed for 3~19 hours.
• Select a water temperature based on the type of load you are washing.
• To change the spin speed, press the Spin Speed button repeatedly to cycle through available options.
• To change the soil level, press the Soil Level button repeatedly until the desired setting is on.
• These lights show which portion of the cycle the washer is operating.
• Dry programs selected by pressing the Dry button.
• By pressing the button [Time-Very-Cupboard-Iron­Low Temp.] can be selected.
12
6. WIRING DIAGRAM / PROGRAM CHART
MAIN PWB
NA
YLYLBLBL RD
WH
RD
RD
FUSE
DOOR LOCK S/W
DRAIN
MOTOR
UVW
BK
BK
BL BN
GN
/
YL
GN
/
YL
VL
/
WH
WH
/
RD
BL
/
RD
YL
/
RD
BN
/
YL
WH
/
BK
GY
/
WH
YL
/
BK
YL
/
RD
BN
/
YL
S K Y
BK
/
WH
RD
/
WH
GN
/
YL
WHWHBK
BK
BL BN
RD
P
CP
CCP
WASHING HEATER
POWER
CORD
DRY HEATER
THER­MOSTAT
INLET VALVE
Ha
Hb
GND
MOTOR
FAN MOTOR
PRESSURE
SENSOR
n
PIN CONNECTOR NUMBER
TERMINAL+HOUSING (#250)
EARTH TERMINAL
WIRE COLOR: BASE/LINE
(S) (S)
(G)
THERMISTOR
THERMISTOR
(Dry Duct Dry H/T)
(Tub)
D R Y
M A
I
N
P R E
BKWH BK YL OR BL BL RD YL BL RD
RDBK
YL
BK
/
WH
BN GY PK
123456 123456
123456 123
123 123
123 123
123 456
123 123
123 123
123
123
11123
123 1234
14123
23 4
14123
23456
12345 12345
123 123
123 12
121212
123
DISPLAY PWB
WH NARD RD RD SKY BL RD WHWH
NA
WHWH
WH /RD
WH/RD
WH WH
NA
VL NA
NOISE FILTER
12 12
S
T
E
P
123 7654 8 9 1011121314151617181920212223242526
20
E N D
A U T O
O F F
20
60 (분) (분)60 120180 60 180 120 180 60 24 0 12 0 18 0 60 180 12 0 18 0 60 18 0 120 180 60 480 180
20 20
8
12
42
About 2:17
About 1:33
About 46
About 1:09
About 58
About 1:18
About 46
About 28
About 10
About 30
About 1:14
About 50
About 37
8
12
39 39
About 58
8
8
8
8
1
40
About 2:26
39
12
42
12
42 12
42
42
12
27
CYCLE
Wash
Rinse
123
Spin
**Approx Working Time (Minutes)
Extra & Stain(4~6)
Wash
Pre
W
• S
W
S
W
S
W
S
W
S
W
S
I
S
I
S
I
S
I
S
D
T
I
S
Wash
Rinse
Rinse
Rinse
Rinse
Wash
Heat
Drain
Drain
Drain
Drain
Spin
Dry
Drain
Drain
Main
C O U R S E
Cotton
Synthetic
Wool/Silk
Delicate
Duvet
Cotton-Eco
Quick 30
Hand Wash
Wash
Rinse
Spin
Dry
Wash+Rinse
Wash+Spin
Rinse+Spin
TIME (SEC.)
* Wash time is in minutes. ** The total working time will vary with the load size,
water temperature and ambient temperature.
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