M
Mark KellyAug 2, 2025
Why does my LG LS-T186AAL Air Conditioner have refrigerant leakage?
- MMaria LewisAug 2, 2025
Refrigerant leakage in your LG Air Conditioner can occur due to a clog in the refrigeration cycle or a defective compressor.
To Next PageTo Next PageWhy does my LG LS-T186AAL Air Conditioner have refrigerant leakage?
Refrigerant leakage in your LG Air Conditioner can occur due to a clog in the refrigeration cycle or a defective compressor.
General| Brand | LG |
|---|---|
| Model | LS-T186AAL |
| Category | Air Conditioner |
| Language | English |
Explains model naming conventions for 2002 LG air conditioners.
Explains model naming conventions for LG air conditioners from 2003 onwards.
Describes the operational features and indicators of the indoor unit.
Explains the operation and function of the plasma air purification feature.
Details the process and conditions for defrost control during heating operation.
Explains the hot-start function to prevent cold air discharge during heating.
Covers ON/OFF, mode selection, temperature, and fan speed controls.
Explains modes like Jet Cool and Plasma purification via remote.
Describes setting timers, sleep mode, and timer cancellation features.
Details airflow direction, fan modes, and reset functions.
Covers secondary functions like the '2nd F' button on the remote.
Shows the width, height, and depth of the indoor air conditioner unit.
Details the dimensions of the outdoor unit, including various length measurements.
Diagram of the refrigeration cycle for cooling-only air conditioners.
Diagram of the refrigeration cycle for units with cooling and heating capabilities.
Electrical wiring schematics for the indoor unit of the air conditioner.
Electrical wiring schematics for the outdoor unit of the air conditioner.
Describes the display functions and operational indicators for C/O and H/P models.
Details the operational logic for cooling and healthy dehumidification modes.
Explains the operational parameters and logic for the heating mode.
Outlines the conditions and procedures for initiating defrost control.
Describes fuzzy operation logic specific to C/O model air conditioners.
Details fuzzy operation logic for H/P model air conditioners.
Specific fuzzy logic for cooling mode operation in H/P models.
Specific fuzzy logic for dehumidification mode operation in H/P models.
Specific fuzzy logic for heating mode operation in H/P models.
Explains how to select different indoor fan speeds via the remote control.
Details the procedure for setting the appliance to start at a specific time.
Explains how to set the appliance to stop operating after a specified time.
Details operations combining on-timer and off-timer functions.
Describes the automatic adjustment of temperature and fan speed during sleep.
Explains the automatic operation of air direction louvers for comfort.
Describes the mode that simulates natural wind patterns with varying fan speeds.
Explains the rapid cooling function for quick temperature reduction.
Describes how to operate the unit without a remote control using the power button.
Details test operation sequence and the auto-restart function after power failure.
Explains the activation and function of the air cleaner or plasma feature.
How the main unit operates based on remote control selection.
Explains the system's mechanism to prevent evaporator frosting during cooling.
Describes the different buzzer sounds indicating operation status or errors.
Explains the display indicators for Heating and Cooling models.
Details the error codes and troubleshooting steps for system diagnostics.
Guidelines for choosing the best installation location and piping specifications.
Specific considerations and steps for installing the outdoor unit.
Instructions on how to securely mount the installation plate on the wall.
Guidance on drilling holes in the wall for routing pipes and cables.
Step-by-step guide for performing correct refrigerant pipe flaring.
How to inspect and verify the quality of the flaring work.
Covers preparing, routing, taping, and insulating indoor unit piping and drain hose.
Steps for mounting the indoor unit and connecting its pipes and cables.
Steps for connecting and tightening the refrigerant pipes to the outdoor unit.
How to connect the power and communication cables to the indoor unit.
How to connect the power and communication cables to the outdoor unit.
Steps to verify proper water drainage from the indoor unit.
Techniques for forming and routing refrigerant piping correctly.
Guidelines for installing the drain pipe to ensure efficient water removal.
Steps to prepare the remote control for system testing.
Instructions for securing the outdoor unit before testing.
How to check system performance after installation and operation.
Steps to collect refrigerant into the outdoor unit for servicing or relocation.
Identifies buttons and their functions on the remote control.
Describes the different operating modes selectable via the remote control.
Instructions for removing the front grille of the indoor unit.
Steps prior to removing the control box, such as disconnecting wires.
How to safely remove the main control box from the indoor unit.
Steps for removing the air discharge grille.
Procedures for removing the evaporator assembly from the unit.
Instructions for removing the cover protecting the fan motor.
Steps for removing the cross-flow fan and motor assembly.
Details the operation and port functions of the 2-way service valve.
Details the operation and port functions of the 3-way service valve.
Initial steps involving checking pipe connections and valve positions.
Methods for checking refrigerant connections for leaks.
The process of removing air from the refrigerant lines.
Final tightening and leak verification after purging.
Setting the service valves to the correct open positions.
Running the unit and waiting for pressure stabilization.
Connecting the manifold gauge and purging air from the hoses.
Operating in cooling mode to draw down pressure and closing valves.
Safely disconnecting the charge set after pump down.
Setting valves to closed position before purging.
Connecting necessary equipment for purging.
The steps involved in removing air using a gas cylinder.
Checking for leaks after the purging process.
Controlled release of refrigerant to achieve desired pressure.
Final valve adjustments and equipment disconnection.
Securing nuts and performing a final leak check.
Confirming valve positions for refrigerant balancing.
Connecting the charge set to the service port.
Discharging refrigerant to achieve a specific pressure level.
Connecting the vacuum pump to the system.
Running the pump and monitoring vacuum level.
Shutting down the pump and verifying the vacuum holds.
Safely disconnecting the hose after evacuation.
Connecting the charging hose to the refrigerant cylinder.
Removing air from the charging hose before connecting to the system.
The process of adding refrigerant to the system.
Safely disconnecting the hose after charging.
Securing nuts and performing a final leak check.
Analyzing temperature differences and operating current for troubleshooting.
Checking system temperatures and pressures against normal values.
Troubleshooting steps when the entire product fails to operate.
Procedures for checking the main printed circuit board for faults.
Diagnosing issues when the remote control does not function correctly.
Identifying causes for compressor or outdoor fan not driving.
Diagnosing reasons for the indoor fan not working.
Diagnosing issues related to the vertical air direction control.
Diagnosing problems preventing the heating mode from working.
Component layout for the AC part of the main PWB.
Component layout specific to the cooling model PWB.
Component layout specific to the heat pump model PWB.
Component layout for the DC part of the main PWB.
Details for display assembly model 6871A20194.
Details for display assembly model 6871A30009.
Details for display assembly model 6871A20227.
Details for display assembly model 6871A20391.
Details for display assembly model 6871A20476.
Electrical schematic for the cooling model with LED indicators.
Electrical schematic for the cooling model with HVB plasma feature.
Exploded diagram showing all parts of the indoor unit.
Exploded diagram illustrating the components of the outdoor unit.