WF-7111TFD, WF-7111WFD - LG Washing Machine Service Manual (repair manual)

wf-7111tfd, wf-7111wfd service manual
Model
WF-7111TFD WF-7111WFD
Pages
67
Size
17.18 MB
Type
PDF
Document
Service Manual
Brand
Device
Washing Machine
File
wf-7111tfd-wf-7111wfd.pdf
Date
Next: LG WF-750 Service Manual

Read LG WF-7111TFD / WF-7111WFD Service Manual online

WASHING MACHINE
SERVICE MANUAL
CAUTION
READ THIS MANUAL CAREFULLY TO DIAGNOSE PROBLEMS
CORRECTLY BEFORE OFFERING SERVICE.
BEFORE SERVICING WASHING MACHINE, UNPLUG THE POWER CORD
TO AVOID THE RISK OF ELECTRICAL SHOCK. 
WHEN SERVICING INTERNAL PARTS, USE ONLY SERVICE PARTS
SUPPLIED FROM LG. 
AFTER SERVICING THE ELECTRICAL WIRE, INSURE THAT INSULATION
TAPE IS APPLIED TO PREVENT ELECTRICAL SHORTAGE.
MODEL : F1443KDS(1~9) / F1243KDS(1~9)
/ F1443KD(1~9)
2
CONTENTS
1. SPECIFICATIONS ............................................................................................................................. 3
2. FEATURES & TECHNICAL EXPLANATION ..................................................................................... 4
3. PARTS IDENTIFICATION  ................................................................................................................. 6
4. INSTALLATION .................................................................................................................................. 7
5. OPERATION ................................................................................................................................... 13
6. WIRING DIAGRAM / PCB LAYOUT / PROGRAM CHART  ............................................................ 15
7. TROUBLESHOOTING ......................................................................................................................19
7-1.BEFORE SVC CHECKING  ...................................................................................................... 19
7-2.LOAD TEST MODE .................................................................................................................. 19
7-3.HOW TO CHECK THE WATER LEVEL FREQUENCY ............................................................ 20
7-4.HOW TO CHECK THE TEMPERATURE OF EACH THERMISTOR AT OPERATING CONDITION 20
7-5.HOW TO CHECK THE VIBRATION SENSOR ......................................................................... 21
7-6.ERROR DISPLAY ..................................................................................................................... 22
7-7 TROUBLESHOOTING WITH ERROR CODES  ....................................................................... 24
• IE (Water Inlet Error)  .............................................................................................................. 24
• UE (Unbalance Error) ............................................................................................................. 25
• OE (Water Outlet Error) .......................................................................................................... 26
• FE (Over Flow Error)  .............................................................................................................. 28
• PE (Pressure Sensor Error)  ................................................................................................... 29
• dE (Door open Error) .............................................................................................................. 30
• tE (Thermistor (Heating) Error) ............................................................................................... 31
• LE (Motor Locked Error) ......................................................................................................... 32
• AE (Water leakage)  ................................................................................................................ 33
8. TROUBLESHOOTING WITHOUT ERROR CODES  ...................................................................... 34
• No Power ................................................................................................................................ 34
• Vibration & Noise During spin  ................................................................................................ 35
• Detergent & Softener does not flow in .................................................................................... 36
• Water Leak  ............................................................................................................................. 37
9. PART INSPECTION  ........................................................................................................................ 39
9-1 FILTER ASSEMBLY(LINE FILTER) .......................................................................................... 39
9-2 DOOR LOCK SWITCH ASSEMBLY.......................................................................................... 40
9-3 STATOR ASSEMBLY ................................................................................................................ 42
9-4 PUMP MOTOR ASSEMBLY...................................................................................................... 45
9-5 INLET VALVE ASSEMBLY ........................................................................................................ 46
10. DISASSEMBLY INSTRUCTIONS ................................................................................................. 47
11. EXPLODED VIEW AND PART LIST ............................................................................................. 61
3
1. SPECIFICATION
ITEM
F1443KDS(1~9) / F1243KDS(1~9)
POWER SUPPLY
PRODUCT WEIGHT
OPERATION WATER PRESSURE
CONTROL TYPE 
WASH CAPACITY
DIMENSION
WASH PROGRAM
RINSE
DOOR SWITCH TYPE 
WATER LEVEL 
RESERVATION
SENSING LAUNDRY AMOUNT 
FUZZY LOGIC 
DISPLAY REMAINING TIME
ERROR DIAGNOSIS 
POWER AUTO OFF 
CHILD LOCK 
AUTO RESTART
TIME SAVE
ELECTRICITY
CONSUMPTION
WASHING
SPIN
DRAIN MOTOR
STEAM HEATER
WASH HEATER
REVOLUTION
SPEED
WASH
SPIN
F1443KDS(1~9) 
F1243KDS(1~9) 
No Spin/400/600/800/1000/1200/1400
No Spin/400/600/800/1000/1100/1200
46rpm
100 ~ 1000 kPa (1.0 kgf/cm
2
~ 10.0 kgf/cm
2
)
Electronic
Refer to the Rating Label
600mm(W)x640mm(D)x850mm(H)
Cotton, Cotton Eco, Mix, Easy Care Duvet, Allergy Care,
Refresh, Sports Wear, Dark Wash, Delicate, Wool, 
Intensive 60, Quick 30, Silent Wash
Normal, Rinse+, Rinse++, Rinse++Hold, Normal+Hold
PTC+Solenoid
10 steps (by sensor)
From 3 hours to 19 hours
Adapted
Adapted
Adapted
8 items
Adapted
Adapted
Adapted
Adapted
190W
380W 
30W
1200W
2120W
220V-240V~, 50Hz
70kg
To reduce the risk of personal injury, adhere to all industry recommended safety procedures including
the use of long sleeved gloves and safety glasses. 
Failure to follow all of the safety warnings in this manual could result in property damage, personal
injury or death.
WARNING
4
ITEM
F1443KD(1~9) 
POWER SUPPLY
PRODUCT WEIGHT
OPERATION WATER PRESSURE
CONTROL TYPE 
WASH CAPACITY
DIMENSION
WASH PROGRAM
RINSE
DOOR SWITCH TYPE 
WATER LEVEL 
RESERVATION
SENSING LAUNDRY AMOUNT 
FUZZY LOGIC 
DISPLAY REMAINING TIME
ERROR DIAGNOSIS 
POWER AUTO OFF 
CHILD LOCK 
AUTO RESTART
TIME SAVE
ELECTRICITY
CONSUMPTION
WASHING
SPIN
DRAIN MOTOR
STEAM HEATER
WASH HEATER
REVOLUTION
SPEED
WASH
SPIN
F1443KD(1~9) 
No Spin/400/600/800/1000/1200/1400
46rpm
100 ~ 1000 kPa (1.0 kgf/cm
2
~ 10.0 kgf/cm
2
)
Electronic
Refer to the Rating Label
600mm(W)x640mm(D)x850mm(H)
Cotton, Cotton Eco, Mix, Easy Care Duvet, Baby Care, 
Skin Care, Sports Wear, Dark Wash, Delicate, Wool, 
Intensive 60, Quick 30, Silent Wash
Normal, Rinse+, Rinse++, Rinse++Hold, Normal+Hold
PTC+Solenoid
10 steps (by sensor)
From 3 hours to 19 hours
Adapted
Adapted
Adapted
8 items
Adapted
Adapted
Adapted
Adapted
190W
380W 
30W
1200W
2120W
220V-240V~, 50Hz
70kg
To reduce the risk of personal injury, adhere to all industry recommended safety procedures including
the use of long sleeved gloves and safety glasses. 
Failure to follow all of the safety warnings in this manual could result in property damage, personal
injury or death.
WARNING
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