Read LG 41728 Service Manual online
WASHING MACHINE
SERVICE MANUAL
SERVICE MANUAL
CAUTION
READ THIS MANUAL CAREFULLY TO DIAGNOSE
PROBLEMS CORRECTLY BEFORE SERVICING THE UNIT.
MODEL : 796.4172#00#
2
CONTENTS
1. SPECIFICATIONS ............................................................................................................... 3
2. FEATURES & TECHNICAL EXPLANATION ....................................................................... 4
3. PARTS IDENTIFICATION ................................................................................................... 7
4. INSTALLATION AND TEST ................................................................................................ 8
5. OPERATION ...................................................................................................................... 11
5-1. CONTROL PANEL FEATURES ................................................................................. 11
5-2. CYCLE GUIDE ........................................................................................................... 13
5-3. CYCLE OPTIONS ...................................................................................................... 15
5-4. SPECIAL FUNCTION ................................................................................................ 16
5-5. EXPLANATION OF EACH PROCESS ....................................................................... 17
5-2. CYCLE GUIDE ........................................................................................................... 13
5-3. CYCLE OPTIONS ...................................................................................................... 15
5-4. SPECIAL FUNCTION ................................................................................................ 16
5-5. EXPLANATION OF EACH PROCESS ....................................................................... 17
6. PROGRAM CHART .......................................................................................................... 19
7. TEST MODE ..................................................................................................................... 21
7-1. SAFETY CAUTION .................................................................................................... 21
7-2. LOAD TEST MODE ................................................................................................... 21
7-3. HOW TO CHECK THE WATER LEVEL FREQUENCY ............................................. 21
7-2. LOAD TEST MODE ................................................................................................... 21
7-3. HOW TO CHECK THE WATER LEVEL FREQUENCY ............................................. 21
8. TROUBLESHOOTING ...................................................................................................... 22
8-1. SAFETY CAUTION .................................................................................................... 22
8-2. ERROR MODE SUMMARY ...................................................................................... 22
8-3. TROUBLESHOOTING SUMMARY ..........................................................................24
8-4. TROUBLESHOOTING WITH ERROR ....................................................................... 26
8-5. TROUBLESHOOTING ELSE ..................................................................................... 31
8-2. ERROR MODE SUMMARY ...................................................................................... 22
8-3. TROUBLESHOOTING SUMMARY ..........................................................................24
8-4. TROUBLESHOOTING WITH ERROR ....................................................................... 26
8-5. TROUBLESHOOTING ELSE ..................................................................................... 31
9. COMPONENT TESTING INFORMATION ........................................................................ 36
9-1. FILTER ASSEMBLY (LINE FILTER) .......................................................................... 36
9-2. DOOR LOOK SWITCH ASSEMBLY .......................................................................... 37
9-3. STATOR ASSEMBLY ................................................................................................. 39
9-4. PUMP MOTOR ASSEMBLY ...................................................................................... 42
9-5. INLET VALVE ASSEMBLY ......................................................................................... 43
9-6. HEATER ASSEMBLY ................................................................................................. 44
9-7. THERMISTOR ASSEMBLY ....................................................................................... 45
9-2. DOOR LOOK SWITCH ASSEMBLY .......................................................................... 37
9-3. STATOR ASSEMBLY ................................................................................................. 39
9-4. PUMP MOTOR ASSEMBLY ...................................................................................... 42
9-5. INLET VALVE ASSEMBLY ......................................................................................... 43
9-6. HEATER ASSEMBLY ................................................................................................. 44
9-7. THERMISTOR ASSEMBLY ....................................................................................... 45
10. DISASSEMBLY INSTRUCTIONS .................................................................................... 48
11.EXPLODED VIEW ............................................................................................................ 56
11-1. CABINET AND CONTROL PANEL ASSEMBLY ...................................................... 56
11-2. DRUM AND TUB ASSEMBLY .................................................................................. 57
11-3. DISPENSER ASSEMBLY ........................................................................................ 58
11-2. DRUM AND TUB ASSEMBLY .................................................................................. 57
11-3. DISPENSER ASSEMBLY ........................................................................................ 58
3
1. SPECIFICATIONS
ITEM
796.4172#00#
COLOR
POWER SUPPLY
PRODUCT WEIGHT
CYCLE
W ASH/RINSE TEMPERATURES
SPIN SPEEDS
OPTIONS
OPERATIONAL WATER PRESSURE
CONTROL TYPE
W ASH CAPACITY [cu.ft ]
DIMENSIONS
DELAY START
DOOR SWITCH TYPE
WATER LEVEL
LAUNDRY LOAD SENSING
ERROR DIAGNOSIS
AUTO POWER OFF
CONTROL LOCK
ELECTRIC POWER
CONSUMPTION
REVOLUTION
SPEED
WA SHING
DRAIN MOTOR
W ASH HEATER
W ASH
SPIN
14
5
5
14.5-116 psi (100-800 kPa)
Electronic
4.17 (4.8 IEC)
26
1/4
” (W) X 30
1/3
” (D) X 38
15/16
” (H) ,54
3/8
” (D, door open)
up to 19 hours
PTC + Solenoid
10 steps (by sensor)
Incorporated
Incorporated
Incorporated
Incorporated
280 W
50 W
DELAY START, EXTRA RINSE, STAIN
TREAT, STAY FRESH,
SAVE ENERGY , PRE-WASH, SMART
SENSE, CONTROL LOCK,
Clean Washer , MY CYCLE,
DRUM LIGHT, AUTO SOAK
1000W
46 rpm
0-1400 rpm
White, Patina Beige
AC 120 V, 60 Hz
215.8 lbs (97.9kg)
WARNING:
To reduce the risk of injury to persons, 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, injury to persons or death.
!
Washer Only
Chrome
DRY
Door Frame
4
2. FEATURES & TECHNICAL EXPLANATION
Ultra Capacity
The Larger drum enables not just higher head drop and stronger centrifugal force,
but also less tangling and wrinkling of the laundry. Heavier loads, such as king size
comforters, blankets, and curtains, can be washed.
but also less tangling and wrinkling of the laundry. Heavier loads, such as king size
comforters, blankets, and curtains, can be washed.
추가선택, 예약,
추가선택, 예약,
Direct Drive System
The advanced Brushless DC motor directly drives the drum without belt and pulley.
Tilted Drum and Extra Large Door Opening
Tilted drum and extra large opening make it possible to load and unload clothing
more easily.
more easily.
RollerJets
Washing ball enhances the wash performance and reduces damage to the clothing.
The jets spray and help tumble clothes to enhance washing performance while
maintaining fabric care.
The jets spray and help tumble clothes to enhance washing performance while
maintaining fabric care.
Automatic Wash Load Detection
Automatically detects the load and optimizes the washing time.
Built-in Heater
Control Lock
The Control lock prevents children from pressing any button to change the settings
during operation.
during operation.
2-1. FEATURES