DOWNLOAD LG WD-10401TD Service Manual ↓ Size: 3.13 MB | Pages: 35 in PDF or view online for FREE

Model
WD-10401TD
Pages
35
Size
3.13 MB
Type
PDF
Document
Service Manual
Brand
Device
Washing Machine
File
wd-10401td.pdf
Date

LG WD-10401TD Service Manual ▷ View online

6. WIRING DIAGRAM / PROGRAM CHART
12
* 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

T
A
U
T
O
O
F
F
3
4
27
28
29
20
E
N
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
S
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
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. TROUBLESHOOTING
13
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 Option,  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.
The digits means water level frequency (10
-1
kHz)
ex)241 : Water level frequency = 241 X 10
-1
kHz = 24.1 kHz
Pressing number of
[Start/Pause] button
Checking Point
Display Status
None 
1 time 
2 times 
3 times 
4 times 
5 times
6 times 
7 times 
8 times 
9 times 
10 times 
11 times
All lamps turn on
Clockwise spin (right)
Low speed Spin 
High speed Spin
Inlet valve for prewash operation
Inlet valve for mainwash operation
Hot inlet valve in case of hot water fill
Inlet valve for mainwash operation
Counterclockwise spin (left)
Heater is in operation for 3 sec.
Circulation pump operation 
Draining pump operation 
Auto off operation
Drum rpm (About 40~50)
Drum rpm (About 53~65)
Drum rpm (About 120~140)
Water level frequency (25~65)
Water level frequency (25~65)
Water level frequency (25~65)
Drum rpm (About 40~50)
Water temperature
Water level frequency
Water level frequency
14
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.
ERROR
SYMPTOM
CAUSE
Water has not reached to the pre-set level within 8 min.
since inlet valve operated, or water has not reached to
the normal level within 25 min.
Load is too small.
The appliance is tilted.
Laundry is gathered to one side.
Non-distributable things are put into the drum.
Water has not drained enough within 10 min.
Water is automatically being pumped out because too
much water is in the tub.
The sensor pressure switch is out of order.
The Start/Pause button is pressed with the door open.
The door switch is out of order.
The THERMISTOR is out of order.
WATER INLET
ERROR 
IMBALANCE
ERROR 
DRAIN ERROR
OVERFLOW
ERROR 
SENSOR
PRESSURE
S/W ERROR
DOOR OPEN
ERROR 
HEATING
ERROR
1
2
3
4
5
6
7
15
ERROR
SYMPTOM
CAUSE
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
Water leaks
[WD(M)-14400(5)TD/12400(5)TD]
The washer experienced a power failure.
Restart the cycle.
CURRENT
ERROR 
LOCK ERROR
WATER LEAKS
POWER
FAILURE
8
9
10
11
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