WD-7800, WD-708MW, WD-10750SR - LG Washing Machine Service Manual (repair manual). Page 2

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2
CONTENTS
1. SPECIFIC ATION S ..............................................................................................................
..............
.3
2. FE ATURES & TECHNICAL EXPLAN
ATIO N ....................................................................................
.4
3. PA R TS IDENTIFIC ATION  ................................................................................................................
.6
4. INS TALL ATIO N ................................................................................................................
.................
.7
5. OPER ATION  ...............................................................................................................................
...
.12
5-1. F**
  A5QD(P)(1~9 ) ............................................................................................................
..........
 12
6. WIRING DIAGRAM / PC
B LAYOU T / PROGRAM CHA
R T  ...........................................................
.14
7. TROUBLESHOOTIN
G ......................................................................................................................17
7-1.BEFORE PREFORMING SE
R VICE  ........................................................................................
.17
7-2.LOAD TEST MODE
 .................................................................................................................
.17
7-3.HOW  TO KNOW THE 
W ATER LEVEL FREQUENCY
 ............................................................
.17
7-4.ERROR DISPL
AY  ............................................................................................................
.
........ 18
7-5.TROUBLESHOOTIN
G WIT H ERROR
 ....................................................................................
.
 19
• IE (
W ater Inlet Error)
 .....................................................................................................
.
........ 19
• UE (Unbalanced Error)
 ......................................................................................................
....
.20
• OE (W ater 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
      
7-4.Using SmartDiagnosis™...........................................................................................................
   
29             
           
8. TROUBLESHOOTIN
G WITHOU
T ERRO R CODES
 ......................................................................
 30
           
• PF (Power Failure or no power)
 .............................................................................................
 30
 
 
 
     
    • V ibation & Noise in spin
 ...................................................................................................
.....
.31
           
• Detergent & Softener does not flow in
 ...................................................................................
.32
           
• W ater Leak .................................................................................................................
...........
.33
           
9. DISASSEMB
LY INSTRUCTIONS
 ..................................................................................................
.35
           
10. EXPLODE D VIEW  ........................................................................................................................
.42
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