Read LG WM-378NW Service Manual online
WASHING MACHINE
SERVICE MANUAL
CAUTION
READ THIS MANUAL CAREFULLY TO DIAGNOSE TROUBLE
CORRECTLY BEFORE OFFERING SERVICE.
CORRECTLY BEFORE OFFERING SERVICE.
MODEL : F**96(T/Q)D(1~9), F**B8(T/Q)D(1~9)
WD14022D6, WD12021D6
P/No.: MFL57261611
FEB. 2007 PRINTED IN KOREA
2
CONTENTS
1. SPECIFICATIONS ............................................................................................................................. 3
2. FEATURES & TECHNICAL EXPLANATION ..................................................................................... 4
3. PARTS IDENTIFICATION ................................................................................................................. 6
4. INSTALLATION .................................................................................................................................. 7
5. OPERATION ...................................................................................................................
.........................
................ 12
5-1. F**96(T/Q)D(1~9), F**B8(T/Q)D(1~9), WD14022D6, WD12021D6
............. 12
6. WIRING DIAGRAM / PCB LAYOUT / PROGRAM CHART ............................................................ 16
7. TROUBLESHOOTING......................................................................................................................17
7. TROUBLESHOOTING......................................................................................................................17
7-1.BEFORE PREFORMING SERVICE ......................................................................................... 17
7-2.LOAD TEST MODE .................................................................................................................. 17
7-3.HOW TO KNOW THE WATER LEVEL FREQUENCY ............................................................. 17
7-4.ERROR DISPLAY ..................................................................................................................... 18
7-5.TROUBLESHOOTING WITH ERROR ..................................................................................... 19
7-2.LOAD TEST MODE .................................................................................................................. 17
7-3.HOW TO KNOW THE WATER LEVEL FREQUENCY ............................................................. 17
7-4.ERROR DISPLAY ..................................................................................................................... 18
7-5.TROUBLESHOOTING WITH ERROR ..................................................................................... 19
• IE (Water Inlet Error) .............................................................................................................. 19
• UE (Unbalanced Error) ........................................................................................................... 20
• OE (Water Outlet Error) .......................................................................................................... 21
• FE (Flow over Error) ............................................................................................................... 23
• PE (Pressure Sensor S/W Error) ............................................................................................ 24
• DE (Door open Error) ............................................................................................................. 25
• tE (Thermistor (Heating) Error) ............................................................................................... 26
• LE (Motor Lock Error) ............................................................................................................. 27
• UE (Unbalanced Error) ........................................................................................................... 20
• OE (Water Outlet Error) .......................................................................................................... 21
• FE (Flow over Error) ............................................................................................................... 23
• PE (Pressure Sensor S/W Error) ............................................................................................ 24
• DE (Door open Error) ............................................................................................................. 25
• tE (Thermistor (Heating) Error) ............................................................................................... 26
• LE (Motor Lock Error) ............................................................................................................. 27
8. TROUBLESHOOTING WITHOUT ERROR CODES ...................................................................... 29
• PF (Power Failure or no power) ............................................................................................. 29
• Vibation & Noise in spin ......................................................................................................... 30
• Detergent & Softener does not flow in .................................................................................... 31
• Water Leak ............................................................................................................................. 32
• Vibation & Noise in spin ......................................................................................................... 30
• Detergent & Softener does not flow in .................................................................................... 31
• Water Leak ............................................................................................................................. 32
9. DISASSEMBLY INSTRUCTIONS ................................................................................................... 34
10. EXPLODED VIEW ......................................................................................................................... 41
3
1. SPECIFICATION
POWER SUPPLY
PRODUCT WEIGHT
OPERATION WATER PRESSURE
CONTROL TYPE
WASH CAPACITY
DIMENSION
DOOR SWITCH TYPE
WATER LEVEL
DELAY FINISH TIME
SENSING OF THE LAUNDRY AMOUNT
FUZZY LOGIC
DISPLAY OF THE REMAINING TIME
ERROR DIAGNOSIS
POWER AUTO OFF
CHILD LOCK
AUTO RESTART
ELECTRICITY
CONSUMPTION
WASHING
SPIN (1400rpm)
DRAIN MOTOR
WASH HEATER
REVOLUTION
SPEED
WASH
SPIN
F12** (T/Q)D(1~9),
WD12021D6
No Spin~1200 rpm
F14** (T/Q)D(1~9),
WD14022D6
No Spin~1400 rpm
50rpm
100-800kPa (1.0-8.0kgf/㎠)
Electronic
Cotton 8kg (Max.)
600mm(W)x550mm(D)x850mm(H)
Bi-Metal type
9 steps (by sensor)
From 3 hours to 19 hours
Available
Available
Available
Available
Available
10 items
Available
Available
Available
Available
Available
135W
530W
530W
30W
2000W
220-240V~, 50Hz
64kg
ITEM
F**96(T/Q)D(1~9), F**B8(T/Q)D(1~9)
WD14022D6, WD12021D6