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LG LS-J0962NL - User Manual

LG LS-J0962NL
84 pages
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MODEL : LS-J0761NL/NM/NN
LS-J0962NL/NM/NN/YL
LS-L1261NL/NM/NN
LS-K1860NL/NM/NN/YL
LS-K1861YL
LS-K18612L
Room Air Conditioner
SERVICE MANUAL
CAUTION
-BEFORE SERVICING THE UNIT, READ THE SAFETY
PRECAUTIONS IN THIS MANUAL.
-ONLY FOR AUTHORIZED SERVICE PERSONNEL.
WEBSITE http://biz.LGservice.com
E-MAIL http://www.LGEservice.com/techsup.html

Questions and Answers

  • R
    Robert JordanAug 7, 2025
    Why is my LG LS-J0962NL Air Conditioner leaking refrigerant?
    • A
      Ariel SampsonAug 8, 2025
      If your LG Air Conditioner experiences refrigerant leakage, it could stem from a clog in the refrigeration cycle or a defective compressor.
  • N
    Nicole ChapmanAug 14, 2025
    Why doesn't the high pressure rise quickly at the beginning of operation in my LG LS-J0962NL?
    • S
      Sierra BowmanAug 14, 2025
      If your LG Air Conditioner's high pressure doesn't rise quickly at the start, it might be due to an excessive amount of refrigerant.
  • P
    Paul BowmanAug 19, 2025
    What causes low current in my LG Air Conditioner?
    • A
      Allison WilliamsAug 19, 2025
      If the current is low in your LG Air Conditioner, this could be caused by a defective compressor or a defective 4-way reverse valve.
  • E
    Elizabeth SinghAug 26, 2025
    Why does my LG LS-J0962NL Air Conditioner have higher suction pressure and normal temperature?
    • Q
      qrochaAug 26, 2025
      If your LG Air Conditioner has higher suction pressure and normal temperature, it might be due to an excessive amount of refrigerant. In this case, high pressure does not quickly rise at the beginning of operation.
  • D
    Daniel WilsonAug 31, 2025
    What causes higher suction pressure and high temperature in my LG Air Conditioner?
    • R
      Randall WilliamsAug 31, 2025
      If your LG Air Conditioner has higher suction pressure and high temperature, this could be caused by a defective compressor or a defective 4-way reverse valve. The current is low.

Summary

Functions

Indoor Unit Operation

Describes the functions and operation of the indoor unit.

Outdoor Unit Operation

Describes the functions and operation of the outdoor unit.

Product Specifications

Cooling and Heating Performance Data

Details technical specifications for cooling and heating.

Dimensions

Indoor Unit Physical Measurements

Provides physical dimensions for indoor units.

Outdoor Unit Physical Measurements

Provides physical dimensions for outdoor units.

Refrigeration Cycle Diagram

Refrigerant Flow and Component Layout

Illustrates the system's refrigerant path and key components.

Wiring Diagram

Indoor Unit Electrical Connections

Shows wiring diagrams for indoor units.

Outdoor Unit Electrical Connections

Shows wiring diagrams for outdoor units.

Operation Details

Indoor Unit Indicators

Explains LED displays and power status indicators.

Cooling, Heating, and Dehumidification Modes

Describes core operational modes and their settings.

Special Modes and Fan Control

Details Fuzzy, Jet Cool, and Swing operations.

Timer, Restart, and Forced Operations

Covers timer functions, auto-restart, and forced operation.

System Protection and Defrost Control

Details protection features and defrosting control.

Installation Procedures

Site Selection and Unit Mounting

Covers selecting the best location and mounting the indoor/outdoor units.

Piping and Connection Steps

Details flaring, piping, and connecting indoor/outdoor units.

Drainage and System Preparation

Covers drain hose, air purging, and vacuum procedures.

Test Running and Pump Down Process

Describes final checks, performance evaluation, and refrigerant recovery.

Remote Control Operation

Remote Control Functions and Layout

Explains the layout and functions of all remote control buttons.

Indoor Unit Disassembly

Component Removal Steps for Indoor Unit

Guides on disassembling the indoor unit and its parts.

Valve Operation and Refrigerant Handling

2-way and 3-way Valve Usage Guide

Details valve positions for various operations like purging and charging.

Refrigerant System Maintenance Procedures

Covers air purging, pumping down, evacuation, and charging.

Troubleshooting and Diagnostics

Trouble Analysis and Self-Diagnosis Function

Explains how to analyze issues and use self-error functions.

Electronic Parts Troubleshooting Guide

Guides on diagnosing PCB and component failures.

Common Operational Faults and Solutions

Details troubleshooting for specific problems like remote, fan, or compressor issues.

Electronic Control Device Schematics

Indoor Main PCB Schematic Diagram

Provides the schematic for the indoor main PCB.

Outdoor Main PCB Schematic Diagrams

Provides schematics for outdoor main PCBs.

Outdoor Sub PCB and Display Schematics

Provides schematics for outdoor sub PCB and display assembly.

Schematic Diagrams

Indoor Unit Wiring Schematics

Wiring diagrams for various indoor unit models.

Outdoor Unit Wiring Schematics

Wiring diagrams for outdoor units.

Exploded Views and Parts Lists

Indoor Unit Parts Identification

Exploded view and list for indoor unit components.

Outdoor Unit Parts Identification

Exploded view and list for outdoor unit components.

LG LS-J0962NL Specifications

General IconGeneral
BrandLG
ModelLS-J0962NL
CategoryAir Conditioner
LanguageEnglish

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