WD-1485AD, WD1485AT, WD1485AT5, WD-1485AD - 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  ................................................................................................................................... 12
6. WIRING DIAGRAM / PCB LAYOUT ................................................................................................ 14
7. TROUBLESHOOTING......................................................................................................................19

7-1.BEFORE PERFORMING SERVICE ......................................................................................... 19
7-2.LOAD TEST MODE .................................................................................................................. 19
7-3.HOW TO CHECK THE WATER LEVEL FREQUENCY ............................................................ 20
7-4.HOW TO CHECK THE TEMPERATURE OF EACH THERMISTOR AT OPERATING CONDITION ...... 20
7-5.ERROR DISPLAY ..................................................................................................................... 21
7-6.TROUBLESHOOTING WITH ERROR  ..................................................................................... 20

• IE (Water Inlet Error)  .............................................................................................................. 21
• UE (Unbalanced Error) ........................................................................................................... 22
• OE (Water Outlet Error) .......................................................................................................... 25
• dHE (Dry Heater Error) ........................................................................................................

...... 31

• PE (Pressure Sensor S/W Error) ............................................................................................ 26
• dE (Door open Error) .............................................................................................................. 27
• tE (Thermistor (Heating) Error) ............................................................................................... 28
• LE (Motor Lock Error) ............................................................................................................. 29

8. TROUBLESHOOTING OTHER  ...................................................................................................... 33

• No power ................................................................................................................................ 33
• Vibration & Noise during spin ................................................................................................. 34
• Detergent & Softener does not flow in .................................................................................... 35
• Water Leak  ............................................................................................................................. 36

9. DISASSEMBLY INSTRUCTIONS .................................................................................................. 39

10. EXPLODED VIEW AND PART LIST .............................................................................................. 47