WF-5745SPM - LG Washing Machine Service Manual (repair manual)

Model
WF-5745SPM
Pages
52
Size
10.97 MB
Type
PDF
Document
Service Manual
Brand
Device
Washing Machine
File
wf-5745spm.pdf
Date

View LG WF-5745SPM Service Manual online

FEB
. 2007  PRINTED IN THAILAND
P/No.:3828EY3070J
WASHING MACHINE
SERVICE MANUAL
MODELS : WFT(R,N,S,C,F)65A35(6,7)D(E)P(H,C,D,E,F)
CAUTION
Before servicing the washer, Read the safety precautions in the manual.
 WFT75A37ECT
2
SAFETY PRECAUTION!
DISASSEMBLE POWER CORD BEFORE SERVING
RECONNECT ALL GROUNDING DEVICES
IMPORTANT SAFETY NOTICE !
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..............................................................................................................................18
3-5. Other Functions...................................................................................................................................20
3-6. Care and Maintenance........................................................................................................................24
4. Service Information
4-1. Schematic Diagram.............................................................................................................................25
4-2. Wiring Diagram ...................................................................................................................................26
4-3. Program Time Chart............................................................................................................................27
4-4. Adjustment ..........................................................................................................................................29
4-5. Disassembly Instruction ......................................................................................................................30
4-6. Test Running without water.................................................................................................................33
4-7. Trouble Shooting against Common Washing Problems .....................................................................34
4-8. Trouble Shooting According to Error Message ...................................................................................35
4-9. How to Diagnose and Repair by Symptom..................................................................................... ....37
5. Exploded View ............................................................................................................................................49
6. Replacement Part List...................................................................................................................................53
3
1. SPECIFICATIONS
Model
Power Sourse
Input
Capacity
Inner Tub
Inlet W
ater
Pressure
Spin Speed
Dim.
Weight
Program
Water Level
Reservation
Unbalance
Switch
Lid Interlock
Switch
Child Lock
Lint Filter
Softener
Dispenser
Detergent
Dispenser
Bleach Inlet
Auto Power
Off
Refer to rating label on the back of Washer
Refer to rating label on the back of Washer
Refer to rating label on the back of Washer
Plastic / Stainless
0.3kgf/cm
2
~ 8kgf/cm
2
50Hz :  710 50
60Hz :  740 50
Refer to rating label on the back of Washer
Refer to rating label on the back of Washer
Fuzzy(Normal),Quick Wash,Jean,Wool
4 Stages
Available for 3 ~ 48 Hr
B.P Sensor
Magnet Sensor
Applied
Single
Applied
Applied
Applied
Applied
WFT(R,N,F,C,S)65A35(6,7)D(E)P(H,C,D,E,F) Series
/ WFT75A37ECT
4
2-1. HOW TO ADJUST LEVEL
2. INSTALLATION INSTRUCTIONS
1
2
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° .
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).
Adjustable leg
5
 
 
Confirming level
• Place the washer to original position
and confirm the level.
Checking slope
• If installation surface is tilted, the
washer will be shaken.
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.
More than 2cm
More than 10cm
More than 2cm
2-2. CONNECTING WATER SUPPLY HOSE
6
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.    
Connecting Water Supply Hose to water tap
Rubber packing
Water supply hose
Connector
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.
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
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.
Normal Type
Normal tab without thread & screw type inlet hose.)
1
2
3
4
5
7
Rubber packing
Screw
Fixed sticker
Rubber packing
Guide plate
Connector
Connector
Fixed sticker
Middle
Connector
Middle
Connector
Water Supply Hose
Pressing rod
Pressing handle
Connector
Middle
connector
Fixed Stiicker
Pressing Handle
Pressing Rod
Water Supply Hose
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.
One Touch Type
If the tap diameter is too large or is square,
open the 4 screw and take out the guide
plate and follow step 1.
In case the tap is large.
Note
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.
(NORMAL TAB WITHOUY THREAD & ONE TOUCH TYPE INLET HOSE.)
1
2
3
4
5
6
8
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.
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.
Screw Type
Water Supply Hose
Rubber Packing
H
Rubber seal
Water
tap
Connecting Water Supply Hose to the machine
1
2
3
9
2-3. CONNECT THE DRAIN HOSE
CAUTION
Hose
Guide
0.9~1.2m
Drain Hose
Within 50mm
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.
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.
NOTE
:
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.
For pump model
For non - pump model

Download LG WF-5745SPM Service Manual (Repair Manual)

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