LG WM3988H*A Series Manuals

Table of Contents

• • 1

    Service Manual
  • 1

    Washing Machine
  • 3

    Table of Contents

• 4

  1 Specifications

• 5

  2 Features & Technical Explanation

  • 6

    Water Level Control
  • 7

    Child Lock
  • 7

    Water Circulation
  • 7

    Drum Light

• 8

  3 Parts Identification

• 9

  4 Installation and Test

  • 11

    Test Operation

• 12

  5 Operation

  • 12

    Control Panel Features
  • 14

    Option Button
  • 15

    Cycle Guide
  • 16

    Special Functions

• 18

  6 Wiring Diagram/Program Chart

• 20

  7 Test Mode

  • 20

    Safety Caution
  • 20

    Load Test Mode
  • 21

    How to Read the Display in Load Test Mode
  • 21

    How to Check the Water Level Frequency

• 22

  8 Troubleshooting

  • 22

    Safety Caution
  • 22

    Error Mode Summary
  • 24

    Troubleshooting Summary
  • 25

    Troubleshooting with Error
    • 26

      Drain Error
    • 28

      Locked Motor Error
    • 29

      Door Open Error
    • 30

      Unbalance Error
    • 31

      Pressure Sensor Error
  • 34

    Troubleshooting else
    • 35

      Button Doesn't Work
    • 37

      Detergent Does Not Flow in
    • 38

      Abnormal Sound

• 39

  9 Component Testing Information

  • 39

    Filter Assembly (Line Filter)
  • 40

    Door Lock Switch Assembly
  • 42

    Stator Assembly
  • 45

    Pump Motor Assembly
  • 46

    Inlet Valve Assembly
  • 47

    Heater Assembly
  • 48

    Thermistor Assembly
  • 49

    Steam Generator Assembly
  • 52

    Lamp

• 53

  10 Disassembly Instructions

  • 55

    Noise Filter

• 64

  11 Exploded View

  • 64

    Cabinet and Control Panel Assembly
  • 65

    Drum and Tub Assembly
  • 66

    Dispenser Assembly
  • 67

    Dryer