Table Of Contents - LG FH U1 BS Series Service Manual

1. SPECIFICATIONS ........................................................................................................ 3
2. FEATURES & TECHNICAL EXPLANATION ........................................................................ 4
3. PARTS IDENTIFICATION ............................................................................................... 6
4. INSTALLATION ............................................................................................................. 7
5. OPERATION ..............................................................................................................12
6. WIRING DIAGRAM / PCB LAYOUT .................................................................................17
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.ERROR DISPLAY ..................................................................................................21
7-5.TROUBLESHOOTING WITH ERROR ........................................................................23
• IE (Water Inlet Error) ........................................................................................... 24
• UE (Unbalanced Error) ..........................................................................................25
• OE (Water Outlet Error) ........................................................................................26
• FE (Over Flow Error) ............................................................................................28
• PE (Pressure Sensor S/W Error) .............................................................................30
• dE2 (Door open Error) ...........................................................................................32
• dE1 (Door switch Error) .........................................................................................32
• tE (Thermistor (Heating) Error) ................................................................................33
• LE (Motor Lock Error) ............................................................................................36
8. TROUBLESHOOTING WITHOUT ERROR CODES .............................................................38
• No power ...........................................................................................................38
• Vibration & Noise during spin ................................................................................. 39
• Detergent & Softener does not flow in .......................................................................40
• Water Leak .........................................................................................................41
• Before using the Tag On function...........................................................................43
9. PART INSPECTION ......................................................................................................45
9-1.FILTER ASSEMBLY (LINE FILTER) ...........................................................................45
9-2.DOOR LOCK SWITCH ASSEMBLY ...........................................................................46
9-3.STATOR ASSEMBLY .............................................................................................48
9-4. P UMP MOTOR ASSEMBLY .......................................................................................49
9-5.INLET VALVE ASSEMBLY .......................................................................................50
10. DISASSEMBLY INSTRUCTIONS ....................................................................................51
11. EXPLODED VIEW AND PART LIST ................................................................................59
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