WD-14185AD - LG Washing Machine Service Manual (repair manual). Page 2

1. SPECIFICATIONS ............................................................................................................................. 3

2. FEATURES & TECHNICAL EXPLANATION ..................................................................................... 4

3. PARTS IDENTIFICATION  ................................................................................................................. 6

4. INSTALLATION .................................................................................................................................. 7

5. OPERATION ................................................................................................................................... 11

6. WIRING DIAGRAM / PCB LAYOUT ................................................................................................ 13

7. TROUBLESHOOTING ......................................................................................................................15

7-1.BEFORE PERFORMING SERVICE ......................................................................................... 15

7-2.LOAD TEST MODE .................................................................................................................. 15

7-3.HOW TO CHECK THE WATER LEVEL FREQUENCY ............................................................ 16

7-4.HOW TO CHECK THE TEMPERATURE OF EACH THERMISTOR AT OPERATING CONDITION ...... 16

7-5.ERROR DISPLAY ..................................................................................................................... 17

7-6.TROUBLESHOOTING WITH ERROR ..................................................................................... 18

• IE (Water Inlet Error)  .............................................................................................................. 18

• UE (Unbalanced Error) ........................................................................................................... 19

• OE (Water Outlet Error) .......................................................................................................... 20

• FE (Over Flow Error)

  ........................................................................................................

...... 21

• PE (Pressure Sensor S/W Error) ............................................................................................ 22

• dE (Door open Error) .............................................................................................................. 23

• tE (Thermistor (Heating) Error) ............................................................................................... 24

• LE (Motor Lock Error) ............................................................................................................. 25

8. TROUBLESHOOTING OTHER ...................................................................................................... 30

• No power  ................................................................................................................................ 30

• Vibration & Noise during spin  ................................................................................................. 31

• Detergent & Softener does not flow in .................................................................................... 32

• Water Leak  ............................................................................................................................. 33

9. DISASSEMBLY INSTRUCTIONS .................................................................................................. 35
10. EXPLODED VIEW AND PART LIST .............................................................................................. 43

• dHE (Dry Heater Error)  ........................................................................................................

...... 27