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CONTENTS

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

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

3. PARTS IDENTIFICATION ............................................................................................................ 7

4. INSTALLATION & TEST ............................................................................................................... 8

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

6. WIRING DIAGRAM/PROGRAM CHART.....................................................................................14

7. TROUBLESHOOTING.................................................................................................................17

7-1. BEFORE PERFORMING SERVICE ...................................................................................17

7-2. QC TEST MODE.................................................................................................................17

7-3. HOW TO CHECK THE WATER LEVEL FREQUENCY ......................................................17

7-4. ERROR DISPLAY ...............................................................................................................18

8. ERROR DIAGNOSIS AND CHECK LIST ....................................................................................20

8-1. DIAGNOSIS AND SOLUTION FOR ABNORMAL OPERATION ........................................20

8-2. FAULT DIAGNOSIS AND TROUBLESHOOTING ..............................................................23

9. DISASSEMBLY INSTRUCTIONS ...............................................................................................32

10. EXPLODED VIEW .....................................................................................................................41

10-1. CABINET & CONTROL PANEL ASSEMBLY....................................................................41

10-2. DRUM & TUB ASSEMBLY................................................................................................42

10-3. DISPENSER ASSEMBLY .................................................................................................43

LG WM2077CW Service Manual

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