LG LFX28977ST/01 Manuals

LG LFX28977ST/01 Manuals

Manuals and User Guides for LG LFX28977ST/01. We have 1 LG LFX28977ST/01 manual available for free PDF download: Service Manual

LG LFX28977ST/01 Service Manual

LG LFX28977ST/01 Service Manual (85 pages)

Brand: LG | Category: Refrigerator | Size: 7.76 MB

Table of Contents

Lfx28977 /01
2
Table of Contents
3
Safety Precautions
3
1 Specifications

4
- Dimensions
  4
2 Parts Identification

5
3 Disassembly

6
- Removing and Replacing Refrigerator Doors
  6
- Door
  7
- Door Alignment
  8
  - Fan and Fan Motor
    8
  - Replace Door Frame Cover
    8
- Lamp
  9
  - Refrigerator Compartment Lamp
    9
  - Ice Fan Scroll Assembly Replacement
    9
- Defrost Control Assembly
  9
- Multi Duct
  10
- Main Pwb
  10
- Display Pcb
  10
- Ice Button Assembly
  10
- Funnel Replacement
  10
- Water Button Assmebly
  11
- Icemaker Assembly
  11
- Duct Door Replacement
  11
- Ice Corner Door Replacement
  11
- Sub Pwb for Working Dispense
  12
- Cap Duct Motor Replacement
  12
- Auger Motor Cover
  13
- How to Remove a Ice bin
  14
- How to Insert a Ice bin
  14
- How to Remove and Reinstall the Pullout Drawer
  15
- Water Valve Disassembly Method
  17
- Fan and Fan Motor Disassembly Method
  17
- Pull out Drawer
  18
4 Adjustment

19
- Compressor
  19
  - PTC-Applied Circuit Diagram
    19
  - Motor Restarting and PTC Cooling
    19
  - Olp (Overload Protector)
    20
  - To Remove the Cover Ptc
    20
  - Definition of OLP
    20
  - Role of the OLP
    20
5 Circuit Diagram

21
6 Troubleshooting

22
- Error Code Summary
  22
- Troubleshooting with Error
  23
  - Freezer Sensor Error
    23
  - Refrigerator Sensor Error
    24
  - Defrost Sensor Error
    25
  - Icing Room Sensor Error
    26
  - Pantry Sensor Error
    27
  - Defrost Heater Error
    28
  - Freezer Fan Error
    30
  - Condenser Fan Error
    31
  - Icing Room Fan Error
    32
  - Refrigerator Fan Error
    33
  - Communication Error
    34
- Troubleshooting else
  36
7 Component Testing Information

53
- Defrost Controller Assembly
  53
- Sheath Heater
  54
- Door Heater Assembly
  55
- Door Switch
  56
- Solenoid
  57
- AC Motor ASSEMBLY
  58
- Damper
  59
- Lamp Socket
  60
- Water Valve
  61
- Compressor and Electric Components
  62
- Tsd and Olp
  63
- Service Diagnosis Chart
  64
- Refrigeration Cycle
  65
- Cleaning
  65
- If You Need to Clean the Condenser
  65
- Sealed System Diagnosis
  66
8 Trboubleshooting

67
9 Operation Principle and Repair Method of Icemaker

67
- Operation Principle of Icemaker
  67
- Ice Maker Functions
  68
- Icemaking Mode
  68
- Harvest Mode
  68
- Water Supply Amount TABLE
  68
- Function TEST
  69
- Diagnosis TABLE
  69
- Defect Diagnosis Function
  69
- How to Toggle the Display between °F & °C
  70
- Lock Function
  70
- Filter Condition Display Function
  70
10 Description of Function & Circuit of Micom

70
- Ice Plus Selection
  71
- Dispenser Use Selection
  71
- Control of Freezer Fan Motor
  71
- Cooling Fan Motor
  71
- Ice PLUS
  72
- How to Set the Display Mode and Cancel It
  72
- Defrosting (Removing Frost)
  72
- Auto Pantry
  73
- Pwb Assembly
  74
- Main PWB Assembly
  74
- Display and Dispenser Drive PCB Assembly
  75
11 Exploded View & Replacement Parts List

77
- Case Parts
  77
- Freezer Parts
  78
- Refrigerator Parts
  79
- Door Parts
  80
- Dispenser Parts
  81
- Ice & Water Parts
  82
- Ice Bank Parts
  83

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