Read LG F84935ST Service Manual online
WASHING MACHINE
SERVICE MANUAL
CAUTION
READ THIS MANUAL CAREFUL LY TO DIAGNOSE PROBLEMS
CORRECT LY BEFORE OFFERING SE RVICE.
CORRECT LY BEFORE OFFERING SE RVICE.
BEFORE SE RVICING THE WASHING MACHINE, UNPLUG THE POWER
CORD TO AVOID THE RISK OF AN ELECTRIC SHOCK.
CORD TO AVOID THE RISK OF AN ELECTRIC SHOCK.
WHEN SE RVICING INTERNAL PARTS, USE ONLY SE RVICE PARTS
SUPPLIED FROM LG.
SUPPLIED FROM LG.
AFTER SE RVICING THE ELECTRIC WIRE, INSURE TH AT INSULATION
TAPE IS APPLIED TO PREVENT AN ELECTRICAL SHO RT.
MODEL : F14A8TDSA(1~9) / F14A8QDSA(B)
F14A8TDA(B) / F14A8QDA(B)(1~9)
F8*932WH / F8*935ST / F7*932WH / F7*935ST
F8*A8TDS*
2
CONTENTS
1. SPECIFICATIONS ............................................................................................................................. 3
2. FEATURES & TECHNICAL EXPLANATION ..................................................................................... 4
3. PARTS IDENTIFICATION ................................................................................................................. 6
4. INSTALLATION .................................................................................................................................. 7
5. OPERATION ................................................................................................................................... 12
6. WIRING DIAGRAM / PCB LAYOUT ................................................................................................ 14
7. TROUBLESHOOTING ......................................................................................................................19
7-1.BEFORE PERFORMING SERVICE ......................................................................................... 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.ERROR DISPLAY ..................................................................................................................... 21
7-6.TROUBLESHOOTING WITH ERROR ..................................................................................... 23
• IE (Water Inlet Error) .............................................................................................................. 23
• UE (Unbalanced Error) ........................................................................................................... 24
• OE (Water Outlet Error) .......................................................................................................... 25
• FE (Over Flow Error) .............................................................................................................. 27
• PE (Pressure Sensor S/W Error) ............................................................................................ 28
• dE (Door open Error) .............................................................................................................. 29
• tE (Thermistor (Heating) Error) ............................................................................................... 30
• LE (Motor Lock Error) ............................................................................................................. 31
8. TROUBLESHOOTING OTHER ...................................................................................................... 33
• No power ................................................................................................................................ 33
• Vibration & Noise during spin ................................................................................................. 34
• Detergent & Softener does not flow in .................................................................................... 35
• Water Leak ............................................................................................................................. 36
9. PART INSPECTION ........................................................................................................................ 38
9-1.FILTER ASSEMBLY (LINE FILTER) ......................................................................................... 38
9-2.DOOR LOCK SWITCH ASSEMBLY ......................................................................................... 39
9-3.STATOR ASSEMBLY ............................................................................................................... 41
9-4.PUMP MOTOR ASSEMBLY ....................................................................................................... 44
9-5.INLET VALVE ASSEMBLY ....................................................................................................... 45
10. DISASSEMBLY INSTRUCTIONS .................................................................................................. 46
11. EXPLODED VIEW AND PART LIST .............................................................................................. 54
3
1. SPECIFIC ATION
To reduce the risk of personal injur
y, 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.
Failure to follow all of the safety warnings in this manual could result in property damage, personal
injury or death.
WARNING
ITEM
POWER SUPP LY
PRODUCT WEIGHT
OPER ATION WATER PRESSURE
CONTROL TYPE
WASH CAPACITY
DIMENSION
WASH PROGRAM
RINSE
DOOR SWITCH TYPE
WATER LEVEL
RESE RVATION
SENSING LAUND RY AMOUNT
FUZZY LOGIC
DISPLAY REMAINING TIME
ERROR DIAGNOSIS
POWER AU TO OFF
CHILD LOCK
AUTO RESTART
TIME SAVE
ELECTRICITY
CONSUMPTION
WASHING
SPIN
DRAIN MOTOR
STEAM HE ATER
WASH HEATER
REVOLUTION
SPEED
WASH
SPIN
1400RPM : No Spin / 400 / 800 / 1000 / 1400
1200RPM : No Spin / 400 / 800 / 1000 / 1200
46 rpm
100 ~ 1000 kPa (1.0 kgf / cm
2
~ 10.0 kgf / cm
2
)
Electronic
Refer to the Rating Label
600 mm (W) x 590 mm (D) x 850 mm (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 hour
s
Adapted
Adapted
Adapted
10 items
Adapted
Adapted
Adapted
Adapted
190 W
380 W
30 W
1200 W
2120 W
220 V - 240 V ~, 50 Hz
66 kg (Steam) / 65kg (Non steam)
Refer to the page.1
4
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.
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.
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.
spinning noise level.
Inverter Direct Drive system
The advance Brushless DC motor directly drives the drum without belt
and pulley.
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.
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.