LG WF-HX120GV/01 User manual

WASHING MACHINESERVICE MANUAL
Before servicing the washer, Read the safety precautions in the manual.CAUTIONMODEL : WF-HX120GV /01

2
SAFETY PRECAUTION!
IMPORTANT SAFETY NOTICE!
■ DISASSEMBLE POWER CORD BEFORE SERVING
■ RECONNECT ALL GROUNDING DEVICES
This service information is intended for individuals
possessing adequate backgrounds of electrical,
electronic and mechanical experience.
Any attempt to repair this appliance may result in
personal injury or property damage.
The manufacturer or seller can not be responsible
for the interpretation of this information, nor can it
assume any liability in connection with its use.
CONTENTS
1. Specifications .............................................................................................................................. 3
2. Installation Instructions ................................................................................................................ 4
3. Operating Instructions
3-1. Identification of Parts............................................................................................................... 10
3-2. Before Starting to Wash .......................................................................................................... 11
3-3. Function of Each Button.......................................................................................................... 16
3-4. Washing Programs.................................................................................................................. 20
3-5. Other Functions....................................................................................................................... 24
3-6. Care and Maintenance............................................................................................................ 32
4. Service Information
4-1. Wiring Diagram........................................................................................................................ 33
4-2. Disassembly Instruction .......................................................................................................... 35
4-3. Test Running without water .................................................................................................... 39
4-4. Trouble Shooting against Common Washing Problems.......................................................... 40
4-5. Trouble Shooting With Error Code .......................................................................................... 41
4-6. How to Diagnose and Repair by Symptom ............................................................................. 44
5. Exploded View............................................................................................................................ 53
6. Replacement Part List. ............................................................................................................... 58

3
1. SPECIFICATIONS
POWER SOURSE Refer to rating label on the back of Washer
INPUT Refer to rating label on the back of Washer
CAPACITY Refer to rating label on the back of Washer
INNER TUB Stainless
INLET WATER
PRESSURE 0.3kgf/cm2~ 8.0kgf/cm2
SPIN SPEED 950 rpm
DIM. Refer to rating label on the back of Washer
WEIGHT Refer to rating label on the back of Washer
PROGRAM
NOMAL, STAINCARE, ALLERGY CARE, SMART RINSE,
ECO WASH, QUICK WASH, DELICATE, TOWELS, DUVET,
SILENT, TUB CLEAN, FAVORITE, SCHOOL CARE
WATER LEVEL 10 Stages
RESERVATION Available for 3~18 Hr
UNBALANCE
SWITCH B.P Sensor
LID INTERLOCK
SWITCH Magnet Sensor
CHILD LOCK Applied
SOFTENER
DISPENSER Applied
DETERGENT
DISPENSER Applied
BLEACH INILET Applied
AUTO POWER OFF Applied
Smart RinseTM
with Jet Spray Applied
Heater Applied
* Program can be different according to the model.

4
1
2
Adjustable leg
2-1. HOW TO ADJUST LEVEL
2. INSTALLATION INSTRUCTIONS
Installation area
• Install the washer on flat and firm
surface.
Checking level
• Open the lid, and check if the
washer is correctly leveled by
looking down from the top.
How to use the adjusting plates
• Use the adjusting plates to level the
washer when the adjustable legs cannot
cover the gap.
Turn the adjustable legs to set the
washer horizontal (2 EA).
Improper installation of the washer may cause noise and malfunctioning.
1. The ventilating openings in the base area must not be obstructed be
carpeting when the washing machine is installed on a carpeted floor.
2. Install the washing machine on a level and firm surface, any tilt should
be less than 1° .

5
More than 2cm
More than 10cm
More than 2cm
Checking slope
• If installation surface is tilted, the
washer will be shaken.
Confirming level
• Place the washer to original position
and confirm the level.
Horizontal setting
• Lift up the front of the washer and
adjust level by turning the
adjustable legs clockwise or using
the adjusting plate.
Distance between drain hose and the wall
• Distance between drain hose and the wall should
be more than 10 cm, and the distance between the
other part and the wall should be more than 2 cm.

6
2-2. CONNECTING WATER SUPPLY HOSE
Before connecting Water Supply Hose to water tap, check your hose type and choose correct
instruction. Water Supply Hose may vary according to the country.
Make sure connect blue inlet hose to COLD water tab, and orange inlet hose to HOT water tab.
Rubber packing
Connector
Water supply hose
Normal Type (Normal tab without thread & screw type inlet hose.)
Connecting Water Supply Hose to water tap
1
2
3
4
5
Untighten the screw
Untighten the screw of the connector so that the tap can be
placed in the middle.
Fixing the connector to the tap
Push the upper connector up till the rubber packing is in tight
contact with the tap. Then tighten the 4 screws.
Attach the water supply hose to the connector
Push the water supply hose vertically upwards so that the rubber
seal within the hose can adhere completely to the tap.
Fixing the connector of connector and water supply hose
Attach the water supply hose to the connector
and then tighten it by screwing it to the right.
Check the connection of water supply hose and the connector
After connecting the hose, open the tap to check for any water leakage.
In case of water leakage, close the tap and start again from step 1.

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Conector
MedioEtiquetaFija
Manija de Presión
Barra de Presión
Manguera de Suministro de Agua
Empaquede Caucho
Tornillo
EtiquetaFija
Empaquede Caucho
Placa Guía
Conector
Conector
EtiquetaFijada
Conector
MedioConector
Medio
Conector
Manguera de Suministro de Agua
Barra de Presión Manijade Presión
Fixed Stiicker
Pressing Handle
Pressing Rod
Water Supply Hose
Middle connector
Rubber packing
Screw
Fixed sticker
Guide plate
Connector
Connector
Rubber packing
Connector
Middle
Connector
Pressing handle
Middle
Connector
Fixed sticker
Pressing rod
Water Supply Hose
One Touch Type
Note
(NORMAL TAB WITHOUY THREAD & ONE TOUCH TYPE INLET HOSE.)
1
2
3
4
5
6
Separate Middle connector from Water Supply Hose
Separate Middle connector from the Water
Supply Hose by pulling the Pressing Rod and
the Pressing Handle that is attached to the
Water Supply Hose while pressing them.
Loosen the fixed nuts to connect the connector to the tap
Untighten the screw of the connector so that the tap can
be placed in the middle.
Fixing Connectors to the Tap
Push the upper connector up till the rubber packing is in tight
contact with the tap.
Then tighten the 4 screws.
Fixing Upper Connector and Middle Connector
Remove the fixed sticker in between the Upper
and Middle Connectors.
Tighten the connectors by holding one connector
and twist middle connector to the right.
Connecting Middle Connector and Water Supply Hose
Press down the pressing rod of the Water
Supply Hose which was separated from middle
connector(refer to Step1) and then join it to
the middle connector.
Checking the water leakage
After connecting the hose, open the tap to
check for any water leakage.
In case of water leakage, close the tap and start
again from step 1.
If you skip step1, it may cause water leakage.
In case the tap is large.
If the tap diameter is too large or is square,
open the 4 screw and take out the guide
plate and follow step 1.

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Water Supply Hose
Rubber Packing
Water
tap
Hose connector
Rubber seal
Screw Type
1
2
3
Attach the water supply hose to the tap.
Push the water supply hose up so that the rubber
packing within the hose can adhere completely
to the tap.
Connect the water supply hose to the tap.
Connect the water supply hose to the tap and then tighten
it by screwing it to the right.
Check water leakage.
After connecting the hose, open the faucet to
check for any water leakage.
Connecting Water Supply Hose to the machine
Connect the water supply hose to inlet valve of
the washing machine, and then lock it by
turning the hose connecting part.
Check to see if there is a rubber seal inside the
connector.

9
2-3. CONNECT THE DRAIN HOSE
Drain Hose
0.9~1.2m
Within 50mm
Hose
Guide
▒ For pump model
▒ For non - pump model
● NOTE : • Never lay down the drain hose, as water will be discharged.
• Be sure the drain hose is properly routed so it will not kink or lift from the sink.
• The discharge height should be approximately 0.9~1.2m from the floor.
• Connect the drain hose adjusting the length of it not to be dropped. If drain hose is dropped the
drainage could be poor because of blockage in the hose.
• Connect the drain hose to
the outlet of the drain pump
located at the rear of the
washing machine.
• Attach the clip to the drain
hose. And then push it
toward the body of the
washing machine as
indicated by the arrow.
• Check that the drain hose is
hung up over the edge of the
laundry tub.
• Do not use an extension hose.
• Connect the drain hose to the outlet of the drain
located at the back side of the washing machine.
• Fix the drain hose with the clip.
And then push it toward the body as in the figure.
• Keep it downward while the washing machine is working.
• Ensure the hose is free from kinking.
• Do not install the washer where it is directly exposed to sunlight,
wind, rain etc.
• Plug the power cord of this washer into a properly installed
standard electrical outlet that is switched & earthed.

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3-1. IDENTIFICATION OF PARTS
3. OPERATING INSTRUCTION
* WATER
SUPPLY HOSE
Make sure the
water does not
leak.
POWDER DETERGENT BOX
FOR DELAYED WASHING /
SOFTENER BOX
BLEACH
DISPENSER( )
FUNCTION
SELECTOR
TUB
BASE
Multi Clean Filter
START/PAUSE
BUTTON
Use to start or stop
the washing
machine
temporarily.
ADJUSTABLE LEGS
Use to level the washing
machine for correct
balance & spin operation.
* POWER PLUG
If the supply cord is
damaged, it must be
replaced by the
manufacturer or its
service agents or
similarly qualified
person in order to
avoid a hazard.
* DRAIN HOSE
for pump model
Check if the drain
hose is placed into
the laundry tub and
secured before
operating the
washing machine.
If the drain hose is
not elevated, the
water will syphon
out completely.