F84A8YD, F14A8YD25, F84A8YD6 — LG Washing Machine Service Manual (repair manual)

Model
F84A8YD F14A8YD25 F84A8YD6
Pages
62
Size
13.58 MB
Type
PDF
Document
Service Manual
Brand
Device
Washing Machine
File
f84a8yd-f14a8yd25-f84a8yd6.pdf
Date

View LG F84A8YD / F14A8YD25 / F84A8YD6 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 : F14A8RD(1~9) / WD-14A9RD
2
CONTENTS
1. SPECIFICATIONS ............................................................................................................................. 3
2. FEATURES & TECHNICAL EXPLANATION ..................................................................................... 5
3. PARTS IDENTIFICATION  ................................................................................................................. 7
4. INSTALLATION .................................................................................................................................. 8
5. OPERATION ................................................................................................................................... 14
6. WIRING DIAGRAM / PCB LAYOUT ................................................................................................ 18
7. TROUBLESHOOTING ......................................................................................................................20
7-1.BEFORE PERFORMING 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.ERROR DISPLAY ..................................................................................................................... 22
7-6.TROUBLESHOOTING WITH ERROR ..................................................................................... 24
• IE (Water Inlet Error)  .............................................................................................................. 24
• UE (Unbalanced Error) ........................................................................................................... 25
• OE (Water Outlet Error) .......................................................................................................... 26
• FE (Over Flow Error)  .............................................................................................................. 28
• PE (Pressure Sensor S/W Error) ............................................................................................ 29
• dE (Door open Error) .............................................................................................................. 30
• tE (Thermistor (Heating) Error) ............................................................................................... 31
• LE (Motor Lock Error) ............................................................................................................. 32
• dHE (Dry Heater Error)  .......................................................................................................... 34
• Dry Heater Trouble  ................................................................................................................. 35
• Dry Fan Motor Trouble  ........................................................................................................... 36
8. TROUBLESHOOTING OTHER ...................................................................................................... 37
• PE (Power Failure or no power)  ............................................................................................. 37
• No power  ................................................................................................................................ 38
• Vibration & Noise during spin  ................................................................................................. 39
• Detergent & Softener does not flow in .................................................................................... 40
• Water Leak  ............................................................................................................................. 41
9. PART INSPECTION ........................................................................................................................ 43
9-1.FILTER ASSEMBLY (LINE FILTER) ......................................................................................... 43
9-2.DOOR LOCK SWITCH ASSEMBLY ......................................................................................... 44
9-3.STATOR ASSEMBLY  ............................................................................................................... 46
9-4.PUMP MOTOR ASSEMBLY ....................................................................................................... 49
9-5.INLET VALVE ASSEMBLY  ....................................................................................................... 50
10. DISASSEMBLY INSTRUCTIONS .................................................................................................. 51
11. EXPLODED VIEW AND PART LIST .............................................................................................. 59
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
F14A8RD(1~9) / WD-14A9RD
POWER SUPPLY
PRODUCT WEIGHT
ELECTRICITY
CONSUMPTION
100 ~ 1000 kPa (1.0 kgf / cm
2
~ 10.0 kgf / cm
2
)
Electronic
Refer to the Rating Label
600 mm (W) x 640 mm (D) x 850 mm (H)
Cotton, Cotton Eco, Mix, Easy Care, Duvet, Baby Care, 
Skin Care, Sports Wear, Wool, Quick 30, Silent Wash, Rinse+Spin, 
Dry Only, Wash+Dry
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
190 W
380 W 
30 W
2120 W
220 - 240 V~, 50 Hz
70 kg
OPERATION WATER PRESSURE
CONTROL TYPE 
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
WASH CAPACITY
WASHING
SPIN
DRAIN MOTOR
WASH HEATER
REVOLUTION
SPEED
WASH
SPIN
DRY HEATER
 1400 RPM : No Spin / 400 / 800 / 1000 / 1400
46 rpm
1550 W
5
2. FEATURES & TECHNICAL EXPLANATION
2-1. FEATURES
Direct Drive System
The advanced Brushless DC motor directly drives the drum without belt and pulley.
Built-in Heater
Child Lock
The Child lock prevents children from pressing any Buttons 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.
Inverter Direct Drive system
The advance Brushless DC motor directly drives the drum without belt
and pulley.
6 motion
Washer is able to perform various drum actions or a combination of different actions
depending on the wash program selected.
Combined with a controlled spin speed and the ability of the drum to rotate both
left and right, the wash performance of the machine is greatly improved, givong
you perfect results every time.
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Here you can view online or download LG F84A8YD / F14A8YD25 / F84A8YD6 Service Manual in pdf. This Service Manual can help you recover, restore, fix, disassemble and repair LG F84A8YD / F14A8YD25 / F84A8YD6 Washing Machine. Information contained in LG F84A8YD / F14A8YD25 / F84A8YD6 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).