WD-12270RDA — LG Washing Machine Service Manual (repair manual). Page 3

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CONTENTS
1. SPECIFICATIONS .........................................................................................................................3
2. FEATURES & TECHNICAL EXPLANATION ................................................................................ 4  
3. PARTS IDENTIFICATION  ............................................................................................................ 7
4. INSTALLATION & TEST ............................................................................................................... 8
5. WIRING DIAGRAM/PROGRAM CHART .....................................................................................11
6. OPERATION ................................................................................................................................12
7. TROUBLESHOOTING.................................................................................................................14
7-1. BEFORE PERFORMING SERVICE ...................................................................................14
7-2. QC TEST MODE.................................................................................................................14
7-3. HOW TO CHECK THE WATER LEVEL FREQUENCY ......................................................14
7-4. ERROR DISPLAY ...............................................................................................................15
8. ERROR DIAGNOSIS AND CHECK LIST ....................................................................................17
8-1. DIAGNOSIS AND SOLUTION FOR ABNORMAL OPERATION ........................................17
8-2. FAULT DIAGNOSIS AND TROUBLESHOOTING ..............................................................20
9. DISASSEMBLY INSTRUCTIONS  ...............................................................................................31
10. EXPLODED VIEW .....................................................................................................................40
10-1. CABINET & CONTROL PANEL ASSEMBLY ....................................................................40
10-2. DRUM & TUB ASSEMBLY................................................................................................41
10-3. DISPENSER ASSEMBLY .................................................................................................42
10-4. DRYER..............................................................................................................................43
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