DOWNLOAD LG WD-1031RD Service Manual ↓ Size: 1.33 MB | Pages: 43 in PDF or view online for FREE

Model
WD-1031RD
Pages
43
Size
1.33 MB
Type
PDF
Document
Service Manual
Brand
Device
Washing Machine
File
wd-1031rd.pdf
Date

LG WD-1031RD Service Manual ▷ View online

12
6. WIRING DIAGRAM
PROGRAM CHART
PRGRAM CHART (KGD-PJT)
* Water Supply : W•S / Intermittent Spin : I•S / Distangle : D•T
S
CYCLE
Washing
Pre
W•S
W•S
W•S
W•S
W•S
D•T
DRY
W•S
I•S
I•S
I•S
I•S
I•S
washing
washing
washing
drain
drain
drain
drain
spin
drain
drain
rinse
rinse
rinse
rinse
heating
Main
Rinse1
Rinse2
Rinse3
4~6 time
Rinse
Spin
C
O
U
R
S
E
TIME
(sec)
T
E
P
*          
*
*
Normal
working
Time
1
2
3
7
6
5
4
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
20
E
N
D
A
U
T
O
O
F
F
20
Coloreds
White
Rapid
Blanket
Wool
Delicate
Washing
Rinse
Spin
Dry
: Basic Cycle
* Basic time is minute in washing chart
* The actual program time can be varied with the load amount.   
: Optional Cycle
Pre-Setting Time : Water Supply - 120 sec.
                               Drain             - 60 sec.
Rinse+Spin
Washing+Spin
Washing+Rinse
12 0
(min)
(min)
60
12 0
24 0
60 24 0 12 0 18 0 60 24 0 12 0 18 0 60 24 0 12 0 18 0 60 24 0 12 0 18 0 60 48 0 18 0
20
20
8
About 1:27
About 1:37
About 42
About 52
About 47
About 47
About 48
About 28
About 12
About 3:40
About 1:16
About 54
About 39
8
8
8
8
8
27
13
7. TROUBLE SHOOTING
7-1.BEFORE SVC CHECKING
■ Be careful of electric shock or disconnecting the parts while trouble shooting.
■ Voltage of each terminal in 220-230V~ and DC while applying an electric current.
7-2.QC TEST MODE.
① Pressing  Rinse, and Spin button simultaneously.
② Power supply 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 Rinse and Spin button simultaneously.
ex) 241 : Water level frequency = 241
× 10-1㎑
=24.1
7-4.HOW TO KNOW TO TEMPERATURE OF EACH THERMISTOR
AT OPERATING CONDITION.
■ Thermistor in tub : Press the [WATER TEMP] button.
■ Thermistor in dry duct : Press the [DRY] button.
■ Thermistor in condensing duct : Press the [SPIN] and [DRY] button simultaneously.
The digits means water level frequency(10
-1 
Pressing number of
[Start/Pause]button
Checking Point
Display Status
None
All lamps turn on
1 time
Clockwise spin(right)
Drum rpm(About 40~52)
2 times
Low speed Spin
Drum rpm(About 70~90)
3 times
High speed Spin
Drum rpm(About 90~110)
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)
6 times
Inlet valve for dry operation 
Water level frequency(25~65)
7 times
Counterclockwise spin(left)
Drum rpm(About 40~52)
8 times
Heater is in operation for 3 sec.
Water temperature
9 times
Draining pump operation
Water level frequency
10 times
Dry operation for 6 minutes
Auto off operation after 6 minutes
14
7-5.ERROR DISPLAY.
If you press the Start/Pause button in error condition, any error except ‘PE’ will disappear and the
machine will change into pause status.
In case of 
dPEe, dtEe, ddHEe, if the error is not resolved within 20 sec., and 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 case of 
dFEe, power will not be turned off.
ERROR
SYMPTOM CAUSE
1
2
3
4
5
6
7
• Not reached to the water level(2 level)within 4
minutes after water supplied or not reached to
the preset water level within 25 minutes.
• Not fully drained within 5 minutes.
• Water is over flowing(over 8 level).
※ If              is displayed, drain pump operates to
drain water automatically.
• The sensor pressure switch is out of order.
• The door does not open in spite of pressing the
[DOOR OPEN] button.
• In case of operating the reservation function or
the other function with door opened. Close the
door, then the error display is resolved.
• The door switch is out of order.
• The appliance is tilted.
• Laundry is gatherd to one side.
• The THERMISTOR is out of order.
WATER INLET
ERROR
DRAIN ERROR
OVERFLOW
ERROR
SENSOR PRESSURE
S/W ERROR
DOOR OPEN
ERROR
IMBALANCE
ERROR
HEATING
ERROR
ERROR
SYMPTOM CAUSE
8
9
10
• MAIN PWB ASSY is out of order
Replace the MAIN PWB ASSY
• Winding in the STATOR ASSY is short-circuited.
Replace the STATOR ASSY
• “      ” is dispplayed during a high spin 
Replace the LEAD WIRE ASSY (MOTOR)
• The connector in the LEAD WIRE ASSY is not connected to the
connnector of STATOR ASSY
Reconnect or repair the connector
• The hall sensor is out of order/defective.
Replace the STATOR ASSY
• The Dry Heater is out of order
Replace the Dry Heater
• The Connector of the Dry Heater is not connected properly to the
connector in the Main PWB ASSY
Reconnect or repair the connector
• The Dry fan motor is out of order
Replace the fan Motor.
CURRENT
ERROR
MOTOR
ERROR
DRY
HEATOR
ERROR
15
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