DOWNLOAD LG WD1451RD / WD1457RD Service Manual ↓ Size: 10.99 MB | Pages: 43 in PDF or view online for FREE

Model
WD1451RD WD1457RD
Pages
43
Size
10.99 MB
Type
PDF
Document
Service Manual
Brand
Device
Washing Machine
File
wd1451rd-wd1457rd.pdf
Date

LG WD1451RD / WD1457RD Service Manual ▷ View online

13
30
40
60
WASH BUTTON
RINSE AND SPIN BUTTON
Pre Wash: Use this option for loads that need pretreatment. 
This adds 16 minutes of prewashing before draining.
Intensive: If the laundry is heavily soiled “intensive” option is effective.
Normal: This option is automatically selected in every course
except for Rinse+Spin.
Light: This cycle is suitable for lightly soiled clothing.
Shoes Wash: Use this option when you want to wash slippers or shoes.
To change the Rinse cycling, press
the Rinse button repeatedly through
available options.
To chacge the Spin speed, press the
Spin speed button repeatedly to cycle
through available options.
DRY / TUB CLEAN / TIME DELAY / ADD LOAD / TEMP.
Dry: Use this function when you want to dry wet laundry.
Tub Clean: Use this function to sanitize drum to remove any bacteria and keep the
drum clean.
Time Delay: Allows the start of any cycle to be delayed for 3~19 hours.
Add Load: Use this function to add loads or remove the foreign material.
Temp.: Select a water temperature based on the type of load you are washing.
FOR LG TECHNICIAN
14
Be careful of electric shock or disconnecting the parts while trouble shooting.
Voltage of each terminal is 220-240V~ and DC while applying an electric current.
7. TROUBLE SHOOTING
7-1. BEFORE SVC CHECKING
7-2. QC TEST MODE.
1. Pressing Rinse, and Temp. button simultaneously.
2. Press the Power        button, while the above condition.
3. Press the Start/Pause button as follows.
The digits means water level frequency(10-1 kHz)
ex) 241 : Water level frequency = 241
10
-1
kHz
=  24.1 kHz
Thermistor in tub : Press the [Temp.] button.
Thermistor in dry duct : Press the [Turbo Steam] button.
Press the Rinse and Temp. button simultaneously.
7-3. HOW TO KNOW THE WATER LEVEL FREQUENCY
7-4. HOW TO KNOW TO TEMPERATURE OF EACH THERMISTOR
AT OPERATING CONDITION.
Number of times the
Start/Pause button is pressed
Check Point
Display Status
None
1 time
2 time
Turns on all lamps and locks the door.
Tumble clockwise.
Low speed Spin.
High speed Spin.
Inlet valve for prewash turns on.
Inlet valve for main wash turns on.
Inlet valve for hot water turns on.
Inlet valve for dry water turns on.
Tumble counterclockwise.
Wash heater turns on for 3 sec.
Circulation pump turns on.
Drain pump turns on.
Dry heater turns on for 3 sec.
Power off and unlock the door
Rpm (42~50)
Rpm (55~60)
Rpm (95~108)
Water level frequency (25~65)
Water level frequency (25~65)
Water level frequency (25~65)
Water level frequency (25~65)
Rpm (42~50)
Water temperature.
Water level frequency (25~65)
Water level frequency (25~65)
Water temperature.
Turn off all lamps.
3 time
4 time
5 time
6 time
7 time
8 time
9 time
10 time
11 time
12 time
13 time
FOR LG TECHNICIAN
15
If you press the START/PAUSE button when an error is displayed, any error except 
will
disappear and the machine will go into the pause status.
In case of 
if the error is not resolved within 20 sec., or the in case of other errors,
if the error is not resolved within 4 min., power will be turned off automatically and the error code will
blink. But in the case of 
, power will not be turned off.
7-5. ERROR DISPLAY.
ERROR
SYMPTOM
CAUSE
WATER INLET
ERROR
• Correct water level (246) is not reached within 8 minutes
after water is supplied or it does not reach the preset water
level within 25 minutes.
1
DOOR OPEN
ERROR
• Door not all the way closed.
• Loose electrical connections at Door switch and
PWB Assembly.
• The DOOR SWITCH ASSEMBLY is out of order.
2
IMBALANCE
ERROR
• The load is too small.
• The appliance is tilted.
• Laundry is gathered to one side.
• Non distributable things are put into the drum.
3
DRAIN
ERROR
• Water is over flowing(over 8 level).
If              is displayed, drain pump operates to
drain water automatically.
4
OVER FLOW
ERROR
• The sensor pressure switch is out of order.
5
PRESSURE
SENSOR
ERROR
• IThe SENSOR SWITCH ASSEMBLY is out of order.
6
HEATING
ERROR
• The THERMISTOR is out order.
7
FOR LG TECHNICIAN
16
ERROR
SYMPTOM
CAUSE
OVER
CURRENT
ERROR
• MAIN PWB ASSEMBLY is out of order.
• Winding in the STATOR ASSEMBLY is short-circuited.
• 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 ASSEMBLY
Reconnect or repair the connector
• The Dry fan motor is out of order
Replace the fan Motor.
8
• The connector (3-pin, male, white) in the MOTOR
HARNESS is not connected to the connector
(3-pin, female, white) of STATOR ASSEMBLY.
• The electric contact between the connectors
(3-pin, male, white) in the MOTOR HARNESS
and 4-pin, female, white connector in the MAIN PWB
ASSEMBLY is bad or unstable.
• The MOTOR HARNESS between the STATOR
ASSEMBLY and MAIN PWB ASSEMBLY is cut (open
circuited).
• The hall sensor is out of order/defective.
9
10
LOCKED
MOTOR
ERROR
DRY
HEATER
ERROR
FOR LG TECHNICIAN
Page of 43
Display

Click on the first or last page to see other WD1451RD / WD1457RD service manuals if exist.