Read LG WD-12NBW Service Manual online
WASHING MACHINE
SERVICE MANUAL
SERVICE MANUAL
CAUTION
READ THIS MANUAL CAREFULLY TO DIAGNOSE
PROBLEMS CORRECTLY BEFORE SERVICING THE UNIT.
MODEL : WD-12NBW, 12NBG
JUN. 2004 PRINTED IN KOREA
P/No.: MFL30574744
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CONTENTS
1. SPECIFICATIONS .........................................................................................................................3
2. FEATURES & TECHNICAL EXPLANATION ................................................................................ 4
3. PARTS IDENTIFICATION ............................................................................................................ 7
4. INSTALLATION & TEST ............................................................................................................... 8
5. WIRING DIAGRAM/PROGRAM CHART .....................................................................................11
6. OPERATION ................................................................................................................................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 ...............................................................................................29
10. EXPLODED VIEW .....................................................................................................................38
10-1. CABINET & CONTROL PANEL ASSEMBLY ....................................................................38
10-2. DRUM & TUB ASSEMBLY................................................................................................39
10-3. DISPENSER ASSEMBLY .................................................................................................40
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1. SPECIFICATIONS
ITEM
WD-12NBW, 12NBG
COLOR
POWER SUPPLY
PRODUCT WEIGHT
CYCLES
WASH / RINSE TEMPERATURE
SPIN SPEED
OPTIONS
CUSTOM PROGRAM
WATER CIRCULATION
OPERATIONAL WATER PRESSURE
CONTROL TYPE
WASH CAPACITY
DIMENSIONS
DELAY WASH
DOOR SWITCH TYPE
WATER LEVEL
LAUNDRY LOAD SENSING
ERROR DIAGNOSIS
AUTO POWER OFF
CHILD LOCK
ELECTRIC POWER
CONSUMTION
REVOLUTION
SPEED
WASHING
DRAIN MOTOR
WASH HEATER
WASH
SPIN
46 RPM
1200 RPM
9
4
4
Bio / Soak / Normal / Pre Wash / Time Saving
Adapted
Adapted
30-1000 kPa
Electronic
12 kg
635mm(W) x 720mm(D) x 925mm(H)
From 3 to 19 hours
PTC + Solenoid
10 steps (by sensor)
Adapted
Adapted
Adapted
Adapted
200 W
37 W
1000 W
BLUE WHITE (12NBW), PEARL GRAY (12NBG)
AC 110V, 60Hz
78