LG 40311 Service Manual ▷ View online
WASHING MACHINE
SERVICE MANUAL
SERVICE MANUAL
CAUTION
READ THIS MANUAL CAREFULLY TO DIAGNOSE
PROBLEMS CORRECTLY BEFORE SERVICING THE UNIT.
MODEL : 796.4001#9##, 4027#9##, 4031#9##
P/No.: MFL30599139
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 ........................................................................................................... 14
5-3. SPECIAL FUNCTIONS .............................................................................................. 17
5-4. EXPLANATION OF EACH PROCESS ....................................................................... 18
5-2. CYCLE GUIDE ........................................................................................................... 14
5-3. SPECIAL FUNCTIONS .............................................................................................. 17
5-4. EXPLANATION OF EACH PROCESS ....................................................................... 18
6. PROGRAM CHART .......................................................................................................... 20
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 ..................................................................................... 33
8-2. ERROR MODE SUMMARY ...................................................................................... 22
8-3. TROUBLESHOOTING SUMMARY ..........................................................................24
8-4. TROUBLESHOOTING WITH ERROR ....................................................................... 26
8-5. TROUBLESHOOTING ELSE ..................................................................................... 33
9. COMPONENT TESTING INFORMATION ........................................................................ 38
9-1. FILTER ASSEMBLY (LINE FILTER) .......................................................................... 38
9-2. DOOR LOOK SWITCH ASSEMBLY .......................................................................... 39
9-3. STATOR ASSEMBLY ................................................................................................. 41
9-4. PUMP MOTOR ASSEMBLY ...................................................................................... 44
9-5. INLET VALVE ASSEMBLY ......................................................................................... 45
9-6. HEATER ASSEMBLY ................................................................................................. 46
9-7. THERMISTOR ASSEMBLY ....................................................................................... 47
9-2. DOOR LOOK SWITCH ASSEMBLY .......................................................................... 39
9-3. STATOR ASSEMBLY ................................................................................................. 41
9-4. PUMP MOTOR ASSEMBLY ...................................................................................... 44
9-5. INLET VALVE ASSEMBLY ......................................................................................... 45
9-6. HEATER ASSEMBLY ................................................................................................. 46
9-7. THERMISTOR ASSEMBLY ....................................................................................... 47
10. DISASSEMBLY INSTRUCTIONS .................................................................................... 48
11.EXPLODED VIEW ............................................................................................................ 57
11-1. CABINET AND CONTROL PANEL ASSEMBLY ...................................................... 57
11-2. DRUM AND TUB ASSEMBLY .................................................................................. 58
11-3. DISPENSER ASSEMBLY ........................................................................................ 59
11-2. DRUM AND TUB ASSEMBLY .................................................................................. 58
11-3. DISPENSER ASSEMBLY ........................................................................................ 59
3
1. SPECIFICATIONS
ITEM
4002#9##
4027#9##
4031#9##
COLOR
POWER SUPPLY
PRODUCT WEIGHT
CYCLE
WASH/RINSE TEMPERATURES
SPIN SPEEDS
OPTIONS
OPERATIONAL WATER PRESSURE
CONTROL TYPE
WASH 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
WASHING
DRAIN MOTOR
WASH HEATER
WASH
SPIN
8
10
5
5
14.5-116 psi (100-800 kPa)
Electronic
3.16 (3.6 IEC)
3.52 (4.0 IEC)
3.63 (4.2 IEC)
27”(W) X 29
3
/
4
”(D) X 38
11
/
16
”(H), 51
1
/
16
” (D, door open)
up to 19 hours
PTC + Solenoid
10 steps (by sensor)
Incorporated
Incorporated
Incorporated
Incorporated
280 W
50 W
STAIN TREAT, 2
nd
RINSE, AUTO SOAK
DELAY START, CLEAN WASHER, CONTROL LOCK
1000W
46 rpm
0-1150 rpm
WHITE WHITE, PATINA BEIGE
AC 120 V, 60 Hz
179 lbs (81kg) 183 lbs (83kg) 185.2 lbs (84kg)