LG WM3431HW Service Manual ▷ View online
WASHING MACHINE
SERVICE MANUAL
READ THIS MANUAL CAREFULLY TO DIAGNOSE
PROBLEMS CORRECTLY BEFORE SERVICING THE UNIT.
PROBLEMS CORRECTLY BEFORE SERVICING THE UNIT.
MODEL: WM3431H*/WM3434H*
WD-1431(1~6)RD(K)/WD-14316RD
CAUTION
!
JAN. 2005 PRINTED IN KOREA
P/No.:3828ER3035Q
2
CONTENTS
1. SPECIFICATIONS ............................................................................................................... 3
2. FEATURES & TECHNICAL EXPLANATION ....................................................................... 4
3. PARTS IDENTIFICATION ................................................................................................... 6
4. INSTALLATION & TEST ...................................................................................................... 7
5. OPERATION ..................................................................................................................... 10
6. WIRING DIAGRAM/PROGRAM CHART .......................................................................... 12
7. TROUBLESHOOTING ...................................................................................................... 14
7-1. BEFORE PERFORMING SERVICE .......................................................................... 14
7-2. QC TEST MODE ........................................................................................................ 14
7-3. HOW TO CHECK THE WATER LEVEL FREQUENCY ..............................................14
7-4. ERROR DISPLAY ...................................................................................................... 15
8. ERROR DIAGNOSIS AND CHECK LIST .......................................................................... 17
8-1. DIAGNOSIS AND SOLUTION FOR ABNORMAL OPERATION ............................... 17
8-2. FAULT DIAGNOSIS AND TROUBLESHOOTING ..................................................... 20
9. DISASSEMBLY INSTRUCTIONS ..................................................................................... 30
10. EXPLODED VIEW .......................................................................................................... 39
10-1. CABINET & CABINET COVER ASSEMBLY .......................................................... 39
10-2. CONTROL PANEL & DISPENSER ASSEMBLY ..................................................... 40
10-3. DRUM & TUB ASSEMBLY ..................................................................................... 41
10-4. DRYER ................................................................................................................... 42
3
1. SPECIFICATION
WM3431H , WD-14312RD, WD-14316RD
*
WM3434H*
WASHING
SPIN
FAN MOTOR
DRAIN MOTOR
WASH HEATER
DRY HEATER
WASH
SPIN
0-1400 rpm
0-1200 rpm
ELECTRIC
POWER
CONSUMPTION
ITEM
POWER SUPPLY
PRODUCT WEIGHT
REVOLUTION
SPEED
OPERATIONAL WATER PRESSURE
CONTROL TYPE
WASH CAPACITY
DRY CAPACITY
DIMENSIONS
CYCLES
WASH/RINSE TEMPERATURES
SPIN SPEEDS
OPTIONS
DELAY WASH
DOOR SW ITCH TYPE
WATER LEVEL
LAUNDRY LOAD SENSING
ERROR DIAGNOSIS
POWER AUTO OFF
CHILD LOCK
AUTO RESTART
AC 120 V, 60 Hz
147 lbs. (68 kg)
140 W
410 W
25 W
80 W
1000 W
1200 W
50 rpm
4.5-145 psi (30-1000 kPa)
Electronic
2.11 cu. ft
8
13
16
lbs. (4 kg )
23 " (W) X 25
"
"
(D) X 33
(H)
9
5
5
Soak, Extra Wash, Rinse+Spin, Spin Only, Dry Only, Delay Wash, Extra Rinse
up to 19 hours
Bi-Metal
Incorporated
Incorporated
10 steps (by sensor)
Incorporated
Incorporated
Incorporated
3
8
1
4
3
8