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LG ASNW096F1G0 - User Manual

LG ASNW096F1G0
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LG
Room Air Conditioner
SERVICE MANUAL
LG
MODELS: ASNW096F1G0
ASNW096FE/V/GG0
ASNW126F1G0
ASNW126FE/V/GG0
ASUW126FUGO
ASNW126F2G0(A12AW2-NF6)
ASUW126FUGO(A12AWU-UF6)
CAUTION
website http://www.lgservice.com
• BEFORE SERVICING THE UNIT, READ THE SAFETY
PRECAUTIONS IN THIS MANUAL.
• ONLY FOR AUTHORIZED SERVICE PERSONNEL.
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Summary

LG Model Name

Producing Center, Refrigerant

Details codes for manufacturing location and refrigerant type used in model names.

Product Type

Codes indicating the type of air conditioner (e.g., split system).

Cooling;Heating;Inverter

Codes specifying cooling-only, heat pump, or inverter functionality.

Capacity

Codes representing the cooling or heating capacity in Btu/h.

Electric Range

Codes indicating the voltage and frequency compatibility of the unit.

Chassis

Codes identifying the chassis or frame type of the unit.

Look

Codes defining the aesthetic design or appearance of the unit.

Function

Codes specifying various functional features and options of the unit.

Serial No.

Codes related to the unit's serial number or development.

Safety Precautions

Installation Safety

Safety guidelines related to the installation process of the unit.

Operation Safety

Safety guidelines related to the operation of the air conditioner.

Installation Safety

Further safety guidelines specific to the installation phase.

Disuse Safety

Safety precautions related to the disposal or non-use of the appliance.

Dimensions

Indoor Unit Dimensions

Physical dimensions and specifications for the indoor unit.

Outdoor Unit Dimensions

Physical dimensions and specifications for the outdoor unit.

Installation

Best Location Selection

Guidelines for choosing the optimal location for indoor and outdoor unit installation.

Piping Length and Elevation

Specifications and considerations for refrigerant piping length and elevation.

Preparing for Installation

Steps and precautions before commencing the actual installation process.

Fixing the Indoor Unit

Instructions for securely mounting and fixing the indoor unit during installation.

Flaring Work and Piping Connection

Flaring Work Procedure

Procedures and guidelines for proper flaring of refrigerant pipes.

Burr Removal

Steps to remove burrs from cut pipes to ensure proper connection.

Nut Placement

Instructions on how to place flare nuts onto the pipes before flaring.

Indoor Piping Connection

Detailed steps for connecting refrigerant piping to the indoor unit.

Indoor Piping and Drain Hose Connection

Procedures for connecting pipes and the drain hose to the indoor unit.

Outdoor Piping Connection

Detailed steps for connecting refrigerant piping to the outdoor unit.

Drainage and Piping Formation

Checking Drainage

Methods to verify proper drainage function of the installed unit.

Drain Piping Installation

Guidelines for routing and installing the drain hose for effective water removal.

Forming the Piping

Instructions for insulating and securing the refrigerant piping.

Air Purging

Air Purging with Vacuum Pump

Procedure for removing air and moisture from the refrigerant system using a vacuum pump.

Leak Test Procedure

Steps to check the refrigerant system for leaks after installation.

Soap Water Leak Detection

Method using soap water to detect leaks in the refrigerant piping.

Evacuation Process

Process of removing air and moisture from the system using a vacuum pump.

Finishing Job

Final steps after air purging and evacuation to prepare for operation.

Panel Front Assembly

Test Running

Remote Controller Preparation

Instructions for preparing and inserting batteries into the remote controller.

Outdoor Unit Mounting

Guidelines for correctly mounting and securing the outdoor unit.

Performance Evaluation

Procedures for checking system performance and refrigerant charge.

Pump Down Procedure

Procedure to collect refrigerant in the outdoor unit for servicing or relocation.

Functions

Indoor Unit Functions

Overview of functions and operational modes for the indoor unit.

Room Temperature Sensing

Details on temperature sensors and how they monitor room conditions.

Room Temperature Control

How the unit maintains the set room temperature.

Initial Operation Controls

Controls for initial fan start and safety delay.

Indoor Fan Speed Control

Options for adjusting indoor fan speed.

Compressor Pre-Heating Control

Control mechanism for compressor pre-heating.

Sleep Mode Auto Control

Automatic fan speed adjustment and timer for sleep mode.

Natural Air Control (CHAOS Logic)

Control logic for irregular fan operation for natural air flow.

Airflow Direction Control

How the louver controls airflow direction.

Auto Mode Functions

Automatic switching between modes and energy-saving features.

Heating Mode Controls

Controls for defrosting, hot-start, and optional heater.

Outdoor Unit Functions

Overview of functions and operational modes for the outdoor unit.

Power and Frequency Control

Control of power relay, compressor frequency, and speed.

Overheating and Current Protection

Protection against overheating and over-current conditions.

Valve and Fan Motor Control

Control of the 4-way valve and outdoor fan motor speed.

Temperature Control

Control based on discharge pipe and ambient temperatures.

Compressor Torque Control

Control of compressor torque.

Remote Control Functions

Description of remote control buttons and their functions.

Operation

Function of Controls and Indicators

Explanation of the unit's control functions and indicators.

Evaporator Frosting Protection

Mechanism to prevent evaporator frosting during cooling.

Cooling Mode Operation Details

Detailed operation of the cooling mode, including compressor control.

Healthy Dehumidification Mode

Operation of the dehumidification mode and its temperature settings.

Heating Mode Operation Details

Detailed operation of the heating mode, including compressor control.

Jet Cool Mode Operation

Operation of the Jet Cool mode for rapid cooling.

Jet Heat Mode Operation

Operation of the Jet Heat mode for rapid heating.

Swing Mode Operation

Operation of the swing mode for airflow direction.

Chaos Swing Mode

Specific mode of swing operation.

Sleep Timer Operation

How the sleep timer adjusts temperature over time.

Auto Restart and Forced Operation

Unit behavior after power interruption and manual operation.

Test Operation Procedure

Procedure for conducting a trial operation of the unit.

Power Relay and Current Protection

Control of power relay and protection against over-current.

Overheating Protection

Protection against overheating of power module and compressor.

Defrosting Control

Control logic for defrosting the outdoor unit's evaporator.

Auto Cleaning and Changeover

Functions for automatic cleaning and mode switching.

Low Ambient Operation

Operation guidelines for low ambient temperatures.

Compressor Preheat and Heat Logic

Compressor preheating and selection of heat logic options.

Indoor Fan Lock Detection

Detection and handling of indoor fan lock errors.

Remote Control Operations

Basic Button Functions

Description of basic remote control buttons like power, mode, and fan speed.

Timer and Sleep Functions

Functions for setting timers and sleep mode via remote control.

Airflow and Optional Functions

Controls for airflow direction and optional features via remote.

Disassembly

Indoor Unit Disassembly

Steps for safely disassembling the indoor unit.

Open Panel Front

Procedure to open and remove the front panel of the indoor unit.

Remove Control Box

Steps to remove the control box from the indoor unit.

Remove Evaporator

Steps to remove the evaporator from the indoor unit.

Prepare for Turbo Fan Removal

Steps to prepare for removing the turbo fan assembly.

Remove Motor

Steps to remove the motor from the indoor unit.

Troubleshooting Guide

Refrigeration Cycle Diagrams

Diagrams illustrating the refrigeration cycle for different models.

Capillary Tube Cycle

Refrigeration cycle diagram for capillary tube models.

EEV Cycle

Refrigeration cycle diagram for EEV models.

2-way and 3-way Valve Operations

Operation and states of the 2-way and 3-way valves.

Air Purging Procedure

Procedure for purging air from the refrigeration system.

Pumping Down Procedure

Procedure to recover refrigerant into the outdoor unit.

Re-air Purging for Re-installation

Procedure for purging air during re-installation.

Balance Refrigerant and Gas Leak Check

Procedure to balance refrigerant and check for gas leaks.

Evacuation Procedure

Procedure for evacuating the system after a refrigerant leak.

Gas Charging Procedure

Procedure for charging the system with refrigerant after evacuation.

Cycle Parts Trouble Analysis

Analysis of cycle parts and common troubles.

Self Diagnosis Function and Error Codes

Table of error codes, indicators, and causes.

Error Indicator and Cancellation

Explanation of error indicators and methods to cancel them.

Service and Diagnosis Precautions

Safety precautions before servicing or checking the unit.

Electronic Parts Troubleshooting

Product Not Operating

Troubleshooting steps for a completely non-operational product.

Indoor PCB Assembly Check

Procedure to check the indoor PCB assembly for proper operation.

Remote Control Not Operating

Troubleshooting steps when the remote controller does not operate the unit.

Troubleshooting for Error Codes

Error Code 1: Indoor TH. Short;Open

Troubleshooting for error code 1 (Indoor TH. short or open).

Error Code 2: Outdoor TH. Short;Open

Troubleshooting for error code 2 (Outdoor TH. short or open).

Error Code 4: Heat-sink Temp. Issues

Troubleshooting for error code 4 (Heat-sink Temp. over 95°C).

Error Code 5: Communication Error

Troubleshooting for error code 5 (Communication Error).

Error Code 6: DC Peak Error

Troubleshooting for error code 6 (DC Peak Error).

Error Code 7: Over Current Error (CT2)

Troubleshooting for error code 7 (Over current Error CT2).

Error Code 8: Indoor Fan Lock

Troubleshooting for error code 8 (Indoor fan lock).

Error Code 9: Outdoor Fan Lock

Troubleshooting for error code 9 (Outdoor fan lock).

Error Code 10: D-Pipe TH. Short;Open

Troubleshooting for error code 10 (D-Pipe TH. short or open).

Schematic Diagram

Indoor Unit Wiring Diagram

Electrical wiring diagram for the indoor unit.

Outdoor Unit Wiring Diagram

Electrical wiring diagram for the outdoor unit.

Indoor PCB Components Location

Location of components on the indoor main PCB assembly.

Indoor DC PCB Components Location

Component locations on the indoor DC part PCB assembly.

Display Assembly Components

Component locations on the display assembly.

Sub PCB Assembly Components

Component locations on the sub PCB assembly.

Outdoor Unit PCB Components

Component locations on the outdoor unit PCB.

Product Specifications

Exploded View

Indoor Unit Exploded View

Exploded view diagram of the indoor unit components.

Outdoor Unit Exploded View

Exploded view diagram of the outdoor unit components.

Replacement Parts List

Indoor Unit Parts

List of replacement parts for the indoor unit.

Outdoor Unit Parts

List of replacement parts for the outdoor unit.

LG ASNW096F1G0 Specifications

General IconGeneral
BrandLG
ModelASNW096F1G0
CategoryAir Conditioner
LanguageEnglish

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