Read LG 40021 Service Manual online
WASHING MACHINE
SERVICE MANUAL
SERVICE MANUAL
CAUTION
READ THIS MANUAL CAREFULLY TO DIAGNOSE
PROBLEMS CORRECTLY BEFORE SERVICING THE UNIT.
MODEL : 796.4002#9## / 4014#9##
P/No.: MFL30599146
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 .............................................................................................. 15
5-4. EXPLANATION OF EACH PROCESS ....................................................................... 16
5-2. CYCLE GUIDE ........................................................................................................... 14
5-3. SPECIAL FUNCTIONS .............................................................................................. 15
5-4. EXPLANATION OF EACH PROCESS ....................................................................... 16
6. PROGRAM CHART .......................................................................................................... 18
7. TEST MODE ..................................................................................................................... 19
7-1. SAFETY CAUTION .................................................................................................... 19
7-2. LOAD TEST MODE ................................................................................................... 19
7-3. HOW TO CHECK THE WATER LEVEL FREQUENCY ............................................. 19
7-2. LOAD TEST MODE ................................................................................................... 19
7-3. HOW TO CHECK THE WATER LEVEL FREQUENCY ............................................. 19
8. TROUBLESHOOTING ..................................................................................................... 20
8-1. SAFETY CAUTION .................................................................................................... 20
8-2. ERROR MODE SUMMARY ...................................................................................... 20
8-3. TROUBLESHOOTING SUMMARY ..........................................................................22
8-4. TROUBLESHOOTING WITH ERROR ....................................................................... 24
8-5. TROUBLESHOOTING ELSE ..................................................................................... 31
8-2. ERROR MODE SUMMARY ...................................................................................... 20
8-3. TROUBLESHOOTING SUMMARY ..........................................................................22
8-4. TROUBLESHOOTING WITH ERROR ....................................................................... 24
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 .................................................................................... 46
11.EXPLODED VIEW ............................................................................................................ 55
11-1. CABINET AND CONTROL PANEL ASSEMBLY ...................................................... 55
11-2. DRUM AND TUB ASSEMBLY .................................................................................. 56
11-3. DISPENSER ASSEMBLY ........................................................................................ 57
11-2. DRUM AND TUB ASSEMBLY .................................................................................. 56
11-3. DISPENSER ASSEMBLY ........................................................................................ 57
3
1. SPECIFICATIONS
ITEM
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
5
5
14.5-116 psi (100-800 kPa)
Electronic
3.16 (3.6 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, TITANIUM
AC 120 V, 60 Hz
179 lbs (81kg)
4002#9## / 4014#9##