LG WD-16401FD Service Manual ▷ View online
6. WIRING DIAGRAM / PROGRAM CHART
12
Cotton
Baby Care
Synthetic
Delicate
Wool/Silk
Hand Wash
Duvett
Quick
Rinsing+Spin
Drain
About 1:45
About 2:20
About 1:50
About 1:00
About 1:00
About 1:00
About 1:20
About 30
About 29
About 1
E
N
D
N
D
A
U
T
U
T
O
O
F
F
F
S
T
E
P
* Basic Cylce
* Optoinal Cycle
* Pre-Setting Time : Water Supply - 120 sec."
(
Drain(
-( 60 sec.
* -Time for varies as the temperature or the amount of laundry
* Basic time is minute in washing chart
* The actual program time can be varied with the load
( amount, water temperature or ambient temperature
1
2
3
4
5
6
7
8
8
8
42
87
87
42
47
47
26
51
51
4
18
18
4
4
24
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29
120
60 240 120
120 60 60 60
120 360
240
120 360
240
60
120 360
240
60
120 360
240
60
120
480
60
20 20
20 20
C
Y
C
L
E
Time
(sec)
C
O
U
R
S
E
O
U
R
S
E
Washing
Rinse
Spin
Pre
Main
Normal
Rinse+
W
·
·
S
W
·
·
S
W
·
·
S
W
·
·
S
I
·
S
I
·
S
Washing
Drain
Heating
Washing
Rinsing
Drain
Drain
I
·
S
Drain
Rinsing
W
·
·
S
Rinsing
I
·
S
Drain
W
·
·
S
Rinsing
I
·
S
Drain
Drain
Spin
D
·
T
W
·
·
S
Rinsing
WashingStaycooling
1
2
3
4
Normal
Working
Time
(Hour : Minute)
MIN
MIN
* Water Supply : W·S * Intermittente Spin : I·S * Disentangle : D·T
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 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 ]
[ 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 140~160)
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.
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
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
The washer experienced a power failure.
CURRENT
ERROR
LOCK ERROR
WATER LEAKS
POWER
FAILURE
8
9
10
11
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