F1407ADSP - LG Washing Machine Service Manual (repair manual)

Model
F1407ADSP
Pages
42
Size
6.75 MB
Type
PDF
Document
Service Manual
Brand
Device
Washing Machine
File
f1407adsp.pdf
Date

View LG F1407ADSP Service Manual online

WASHING MACHINE
SERVICE MANUAL      
READ THIS MANUAL CAREFULLY TO DIAGNOSE TROUBLES 
CORRECTLY BEFORE  OFFERING SERVICE.
MODEL : WD-1457RD, WD-1458RD,WD-1457*RD
CAUTION    
F1407ADSP
SEP. 2006 PRINTED IN KOREA
P/No.: 
MFL30138907
CONTENTS
1. SPECIFICATION............................................................................................................................3
2. FEATURES & TECHNICAL EXPLANATION ................................................................................ 4  
3. PARTS IDENTIFICATION  ............................................................................................................ 6
4. INSTALLATION ............................................................................................................................. 7
5. OPERATION ................................................................................................................................10
6. WIRING DIAGRAM / PROGRAM CHART ...................................................................................12
7. TROUBLE SHOOTING................................................................................................................13
7-1.BEFORE SVC CHECKING ..................................................................................................13
7-2.QC TEST MODE..................................................................................................................13
7-3.HOW TO KNOW THE WATER LEVEL FREQUENCY.........................................................13
7-4.HOW TO KNOW TO TEMPERATURE OF EACH THERMISTOR AT OPERATING CONDITION......13
7-5.ERROR DISPLAY ................................................................................................................14
8. ERROR DIAGNOSIS AND CHECK LIST ....................................................................................16
8-1. DIAGNOSIS AND ANSWER FOR ABNORMAL OPERATION ...........................................16
8-2. FAULT DIAGNOSIS AND TROUBLE SHOOTING .............................................................19
9. DISASSEMBLY INSTRUCTIONS  ...............................................................................................29
10. EXPLODED VIEW AND PARTS LIST .......................................................................................38
10-1. THE EXPLODED VIEW OF CABINET ASSEMBLY .........................................................38
10-2. THE EXPLODED VIEW OF CONTROL PANEL AND DISPENSER ASSEMBLY ............39
10-3. THE EXPLODED VIEW OF DRUM AND TUB ASSEMBLY .............................................40
10-4. THE EXPLODED VIEW OF DRYER.................................................................................41 
2
ITEM
POWER SUPPLY
220-240V~, 50Hz
PRODUCT WEIGHT
66kg
WASHING
140W
SPIN
440W 
DRAIN MOTOR
40W
STEAM HEATER
1100W
WASH HEATER
2100W
DRY HEATER
1500W
WASH
50rpm
SPIN
No Spin/400/800/1000/1400
OPERATION WATER PRESSURE 
0.3-0.8kgf/cm
2
(30-800kPa)
CONTROL TYPE
Electronic
WASH CAPACITY
8kg
DRY CAPACITY                                                           Refer to the Rating label
DIMENSION
600mm(W)x64mm(D)x850mm(H)
WASH PROGRAM 
Cotton, Synthetic, Delicate, Hand Wash/Wool, Duvet, Quick30, Rinse+Spin, Refresh, Baby Care
OPTION
Intensive, Pre Wash, Rinse+, Medic Rinse
DOOR SWITCH TYPE
Bi-Metal type
WATER LEVEL
10 steps (by sensor)
RESERVATION
From 3 hours to 19 hours
SENSING OF THE LAUNDRY AMOUNT
Adapted
FUZZY LOGIC
Adapted
DISPLAY OF THE REMAINING TIME
Adapted
ERROR DIAGNOSIS 
10 items 
POWER AUTO OFF
Adapted
CHILD LOCK
Adapted
AUTO RESTART
Adapted
TIME SAVE
Adapted
3
1. SPECIFICATION
ELECTRICITY
CONSUMPTION
REVOLUTION 
SPEED
WD-1457RD, WD-1458RD,WD-1457*RD
F1407ADSP
2. FEATURES & TECHNICAL EXPLANATION
4  
2-1.FEATURES
 Direct Drive System
The advanced Brushless DC motor directly drives the drum without 
belt and pulley.
 Water Circulation
Spray detergent solution and water over the load over continu. 
Clothes are soaked more quickly and thoroughly during wash cycle. 
The detergent suds can be removed more easily by the water shower during
rinse cycle. The water circulation system uses both water and detergent more
efficiently.
 Built-in Heater
 Child Lock
The Child lock prevents children from pressing any button to change the settings
during operation.
 More economical by Intelligent Wash System
Intelligent Wash System detects the amount of load and water temperature, and
then determines the optimum water level and washing time to minimize energy
and water consumption.
 Low noise speed control system
By sensing the amount of load and balance, it evenly distributes load to minimize
the spinning noise level.
 Safety device (Aqua lock) 
Aqua lock System is designed for detecting water leak during operation to
prevent water from spilling on the floor.  
 Steam Washing and Refresh
Steam Washing features upgraded washing performance with low energy
consumption. Refresh cycle reduces wrinkles from dry clothes.
 Automatic Wash Load Detection 
Automatically detects the load and optimizes the washing time.
추가선택, 예약,
2-2.DETERMINE WASHING TIME BY FUZZY LOGIC
To get the best washing performance optimal time is determined by sensing of water temperature, 
selected washing temperature and laundry amount.
2-3.WATER LEVEL CONTROL
● This model adopts a pressure sensor which can sense the water level in the tub.
● Water supply is stopped when the water level to the preset level, then washing program proceeds.
● Spinning does not proceed until the water in the tub reduces to a certain level.
2-4.THE DOOR CAN NOT BE OPENED
While program is operating.
While Door Lock light turns on.
5
FUZZY
LOGIC
laundry
amount
selected
washing
temperature
water
temperature
washing time
rinsing time
spin rhythm, time
the best
washing
performance
SENSING
PROCESSING
DETERMINATION
EFFECT
Inlet hose(1EA)
 Option : Hot/Cold(2EA)
Spanner
3. PARTS IDENTIFICATION
6
■ ACCESSORIES
Drawer
❋ Option :
Safety Cover
(PLC Modem)
Cold Water Inlet
❋ Cold Only 
❋ Hot/Cold
Cold Water Inlet
Hot Water Inlet
1⃞ Before servicing ask the customer what the trouble is.
2⃞ Check the adjustment(power supply is 220-240V~, remove the transit bolts....)
3⃞ Check the troubles referring to the trouble shooting.
4⃞ Decide service steps referring to disassembly  instructions.
5⃞ And then, service and repair.
6⃞ After servicing, operate the appliance  to see whether it works O·K or NOT.
■ STANDARD INSTALLATION
The appliance should be installed as follows.
REMOVE THE TRANSIT 
INSTALL THE  APPLIANCE
ADJUST THE 
BOLTS
ON FLAT AND FIRM SURFACE
HORIZONTAL
Remove the transit bolts
Turn the leveling feet to
(4EA:
①)with supplied spanner. 
set the appliance horizontally.
Keep the transit bolts and  
spanner for future use.
Insert the provided 4 caps 
into the hole
The appliance goes up by 
rotating the feet clockwise. 
The appliance come down by
rotating the feet counter 
clockwise.
4. INSTALLATION 
7
1
2
■ HOW TO CONNECT INLET HOSE
Check that the rubber packing is inside of the
valve connector.
Connect the inlet hose firmly to prevent leak.
■ CONNECT DRAIN HOSE
■ CONNECT POWER PLUG
8   
· Make sure that the hose is not twisted.
※ The drain hose should be placed under 100cm from the floor.
· Connect the power plug to the wall outlet.
· Avoid connecting several electric devices, 
It may be the cause of a fire.
· Avoid submerging the end of the hose.
TEST OPERATION
9
MAXMAX
Connect the power plug to
the outlet.
In case of Coloreds program.       
Connect the inlet hose.   
Preparation 
Press the POWER button.
Press the Start/Pause
for 
button.
washing.
·Check if the drum rotates                         ·Check if water is supplied
clockwise and  counterclockwise.  
through the detergent dispenser.
·Power off and then power on.
·Check if the door can be
opened after 3 minutes.
·Turn off Wash and Rinse after 
pressing the Start/Pause button
and start the machine again.
·Check drain and spin.
·Press the Rinse+Medic Rinse
button simultaneously and  the
present temperature will  be
displayed.
·If SVC is needed during 
check, remove
the remaining water by pulling 
out the hose cap.
Check the water heating.
Check automatic reverse
Check the water supply.
turn.
Check drain and spin 
Power off and open the 
Water removal 
door

Download LG F1407ADSP Service Manual (Repair Manual)

Here you can view online and download LG F1407ADSP Service Manual in PDF. F1407ADSP service manual will guide through the process and help you recover, restore, fix, disassemble and repair LG F1407ADSP Washing Machine. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.