WD-MD750WM — LG Washing Machine Service Manual (repair manual)

Model
WD-MD750WM
Pages
44
Size
58.44 MB
Type
PDF
Document
Service Manual
Brand
Device
Washing Machine
File
wd-md750wm.pdf
Date

View LG WD-MD750WM Service Manual online

WASHING MACHINE
SERVICE MANUAL
CAUTION
READ THIS MANUAL CAREFULLY TO DIAGNOSE TROUBLE
CORRECTLY BEFORE OFFERING SERVICE.
MODEL : F**B9(Q/T)D(T)
MFL62343214
 :
.
No
/
P
CONTENTS
1. SPECIFICATIONS ............................................................................................................................ 3
4
2. FEATURES & TECHNICAL EXPLANATION
....................................................................................
3. PARTS IDENTIFICATION
............................................................................................................... 6
4. INSTALLATION
................................................................................................................. 7
5. OPERATION
 
...................................................................................................................12
5-1. F**B9(Q/T)D(T)
 
......................................................................................................................
12
14
6. WIRING DIAGRAM / PCB LAYOUT / PROGRAM CHART
..............................................................
7. TROUBLESHOOTING
...................................................................................................................... 17
17
17
17
7-1. BEFORE PREFORMING SERVICE
 
..........................................................................................
7-2. LOAD TEST MODE
 
...................................................................................................................
7-3. HOW TO KNOW THE WATER LEVEL FREQUENCY
 
..............................................................
7-4. ERROR DISPLAY ...................................................................................................................... 18
19
7-5. TROUBLESHOOTING WITH ERROR
 
......................................................................................
• IE ( Water Inlet Error)
 
............................................................................................................... 19
• UE (Unbalanced Error)  
............................................................................................................. 20
• OE ( Water Outlet Error)  
........................................................................................................... 21
• FE (Flow over Error)
 
................................................................................................................. 23
24
• PE (Pressure Sensor S/W Error)
 
..............................................................................................
• DE (Door open Error)  
............................................................................................................... 25
• tE (Thermistor (Heating) Error)
 
................................................................................................. 26
• LE (Motor Lock Error)
 
............................................................................................................... 27
29
29
8. TROUBLESHOOTING WITHOUT ERROR CODES
 
........................................................................
• PF (Power Failure or no power)
 
...............................................................................................
• Vibation & Noise in spin
 
........................................................................................................... 30
31
• Detergent & Softener does not flow in
 
.....................................................................................
• Water Leak  ............................................................................................................................... 32
9. DISASSEMBLY INSTRUCTIONS
 
.................................................................................................... 34
10. EXPLODED VIEW
 
.......................................................................................................................... 41
2
3
1. SPECIFICATION
ITEM
 F**B9(Q/T)D(T)
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 PUMP
WASH HEATER
REVOLUTION
SPEED
WASH
SPIN
No Spin ~ 1000 rpm
50rpm
1.0-10kgf/cm
2
(100-1000kPa)
Electronic
T_Cotton 8kg / Q_Cotton 7kg (Max.)
600mm(W)x550mm(D)x850mm(H)
Bi-Metal  Switch type
9  steps ( by sensor)
   
   
Available
3 , 6 , 9 Hours
Available
Available
Available
Available
 
10 items
220V  
61kg
F10**(Q/T)D(T)(3)(1~9)
F12**(Q/T)D(T)(3)(1~9)
F14**(Q/T)D(T)(3)(1~9)
No Spin ~ 1200 rpm
No Spin ~ 1400 rpm
230V  
240V  
140  
520  
430  
350  
150  
530  
460  
355  
160  
560  
490  
360  
SPIN (1400rpm)
SPIN (1400rpm)
33  
2000  
36  
2100  
37  
2200  
Available
Page of 44
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Download LG WD-MD750WM Service Manual (Repair Manual)

Here you can view online or download LG WD-MD750WM Service Manual in pdf. This Service Manual can help you recover, restore, fix, disassemble and repair LG WD-MD750WM Washing Machine. Information contained in LG WD-MD750WM service manual (repair manual) typically includes:

  • Disassembly, troubleshooting, programming, maintenance, remote, adjustment, installation and setup instructions.
  • Schematics, wiring and block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Parts list (bill of materials).