051972 — LG Washing Machine Service Manual (repair manual)

Model
051972
Pages
66
Size
17.12 MB
Type
PDF
Document
Service Manual
Brand
Device
Washing Machine
File
051972.pdf
Date

View LG 051972 Service Manual online

WASHING MACHINE
SERVICE MANUAL
CAUTION
READ THIS MANUAL CAREFULLY TO DIAGNOSE PROBLEMS
CORRECTLY BEFORE OFFERING SERVICE.
BEFORE SERVICING THE WASHING MACHINE, UNPLUG THE POWER
CORD TO AVOID THE RISK OF AN ELECTRIC SHOCK. 
WHEN SERVICING INTERNAL PARTS, USE ONLY SERVICE PARTS
SUPPLIED FROM LG. 
AFTER SERVICING THE ELECTRIC WIRE, INSURE THAT INSULATION
TAPE IS APPLIED TO PREVENT AN ELECTRICAL SHORT.
MODEL : F1495BDS(1~9) / F1495BD(1~9)
2
CONTENTS
1. SPECIFICATION................................................................................................................................ 3
2. FEATURES & TECHNICAL EXPLANATION ..................................................................................... 5
2-1.FEATURES.................................................................................................................................. 5
2-2.DETERMINE WASHING TIME BY FUZZY LOGIC ..................................................................... 6
3. PARTS IDENTIFICATION  ................................................................................................................. 7
4. INSTALLATION .................................................................................................................................. 8
5. OPERATION ................................................................................................................................... 14
6. WIRING DIAGRAM / PCB LAYOUT / PROGRAM CHART  ............................................................ 18
7. TROUBLESHOOTING ......................................................................................................................20
7-1.CHECK BEFORE SERVICE  .................................................................................................... 20
7-2.LOAD TEST MODE .................................................................................................................. 20
7-3.HOW TO CHECK THE WATER LEVEL FREQUENCY ............................................................ 21
7-4.HOW TO CHECK THE TEMPERATURE OF EACH THERMISTOR AT OPERATING CONDITION ...... 21
7-5.HOW TO CHECK THE VIBRATION SENSOR ......................................................................... 22
7-6.ERROR DISPLAY ..................................................................................................................... 23
7-7 TROUBLESHOOTING WITH ERROR CODES  ....................................................................... 25
• IE (Water Inlet Error)  .............................................................................................................. 25
• UE (Unbalance Error) ............................................................................................................. 26
• OE (Water Outlet Error) .......................................................................................................... 27
• FE (Overflow Error)  ................................................................................................................ 29
• PE (Pressure Sensor S/W Error) ............................................................................................ 30
• dE (Door Open Error)  ............................................................................................................. 31
• tE (Thermistor (Heating) Error) ............................................................................................... 32
• LE (Motor Locked Error) ......................................................................................................... 33
• AE (Water Leakage)  ................................................................................................................35
8. TROUBLESHOOTING WITHOUT ERROR CODES  ...................................................................... 36
• No Power ................................................................................................................................ 36
• Vibration & Noise during spin  ................................................................................................. 37
• Detergent & Softener does not flow in .................................................................................... 38
• Water Leak  ............................................................................................................................. 39
9. PART INSPECTION  ........................................................................................................................ 41
9-1 FILTER ASSEMBLY(LINE FILTER) .......................................................................................... 41
9-2 DOOR LOCK SWITCH ASSEMBLY.......................................................................................... 42
9-3 STATOR ASSEMBLY ................................................................................................................ 44
9-4 PUMP MOTOR ASSEMBLY...................................................................................................... 47
9-5 INLET VALVE ASSEMBLY ........................................................................................................ 48
10. DISASSEMBLY INSTRUCTIONS ................................................................................................. 49
11. EXPLODED VIEW AND PART LIST ............................................................................................. 63
3
1. SPECIFICATION
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
ITEM
F1495BDS(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
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, Allergy Care,
Refresh, Sports Wear, Dark Wash, Delicate, Wool, 
Intensive 60, Quick 30, Silent Wash
Normal, Rinse+, Rinse++, Rinse++Hold, Normal+Hold
PTC+Solenoid
by Pressure Sensor S/W
From 3 hours to 19 hours
Adapted
Adapted
Adapted
10 items
Adapted
Adapted
Adapted
Adapted
190W
380W 
30W
1200W
2120W
220V-240V~, 50Hz
70kg
4
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
ITEM
F1495BD(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
WASH HEATER
REVOLUTION
SPEED
WASH
SPIN
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
by Pressure Sensor S/W
From 3 hours to 19 hours
Adapted
Adapted
Adapted
10 items
Adapted
Adapted
Adapted
Adapted
190W
380W 
30W
2120W
220V-240V~, 50Hz
70kg
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Here you can view online or download LG 051972 Service Manual in pdf. This Service Manual can help you recover, restore, fix, disassemble and repair LG 051972 Washing Machine. Information contained in LG 051972 service manual (repair manual) typically includes:

  • Disassembly, troubleshooting, programming, maintenance, remote, adjustment, installation and setup instructions.
  • Schematics, wiring and block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Parts list (bill of materials).