LG S4NQ24K23AE - User Manual

Questions and Answers

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Chad PetersAug 18, 2025
Why is my LG Air Conditioner not emitting cool air?
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  lori55Aug 18, 2025
  If your LG Air Conditioner isn't emitting cool air, ensure that curtains, blinds, or furniture aren't blocking the unit's front. Clean the air filter every two weeks. If the room temperature is high, use Jet Mode for faster cooling. Also, check for air leaks and ensure the set temperature is lower than the current room temperature. Avoid using heat sources nearby and verify that the unit isn't in Fan Mode.
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Kelly AguirreAug 20, 2025
What to do if my LG Air Conditioner does not work?
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  Ashley SanchezAug 20, 2025
  If your LG Air Conditioner isn't working, first, check if it's properly plugged into the outlet and that power isolators are switched on. Replace the fuse or check the circuit breaker if a fuse has blown or the power supply is blocked. If there was a power failure, wait 3 minutes after power is restored before turning the unit back on. Also, ensure the batteries in the remote controller are correctly inserted or replace them. Finally, verify that the unit wasn't turned off automatically by a preset timer.
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Joseph HammondAug 22, 2025
Why does my LG S4NQ24K23AE Air Conditioner stop during operation?
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  petersonjacquelineAug 23, 2025
  If your LG Air Conditioner stops during operation, check the timer settings to ensure the unit isn't set to turn off automatically. If a power failure occurred, wait for the power to return. If the Auto Restart function is enabled, the unit will resume its last operation several minutes after power is restored.
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Tammy EvansAug 26, 2025
What to do if my LG S4NQ24K23AE Air Conditioner is leaking water outside?
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  Melody MackAug 26, 2025
  To address water leaks from the outdoor unit of your LG Air Conditioner during heating operations, install a drain hose under the base pan. Contact the installer for assistance.
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Judith LuceroAug 27, 2025
Why can't I adjust the temperature on my LG S4NQ24K23AE?
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  Nathan WelchAug 28, 2025
  If the temperature on your LG Air Conditioner cannot be adjusted, it is possible that Fan Mode or Jet Mode is selected. To adjust the temperature, select an operation mode other than Fan Mode or Jet Mode.
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Jason MackAug 30, 2025
What to do if my LG S4NQ24K23AE is not working normally?
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  Sara RodriguezAug 30, 2025
  If your LG Air Conditioner is not working normally, turn it off, switch OFF, or disconnect the power supply, and contact the service center.
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tcollinsSep 2, 2025
Why is my LG S4NQ24K23AE not emitting warm air?
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  Frank LewisSep 2, 2025
  If your LG Air Conditioner is not emitting warm air, it could be normal. When Heating Mode starts, the vane is almost closed, and no air comes out until the unit generates enough warm air. If the outdoor unit is in Defrosting Mode, wait approximately 15 minutes for it to finish removing frost. If the outside temperature is too low, the heating effect may not be sufficient.
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Gregory GraySep 4, 2025
Why is my LG Air Conditioner still running after I turn it off?
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  David ThomasSep 4, 2025
  If the indoor unit of your LG Air Conditioner is still operating after being turned off, the Auto Clean function may be running. This feature removes remaining moisture inside the unit. Allow the function to continue, or turn the unit off to disable it.
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Christy PerezSep 7, 2025
Why is my LG S4NQ24K23AE making noise?
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  Savannah RoySep 7, 2025
  If you hear noise or vibration from your LG Air Conditioner, a clicking sound when the unit starts or stops is normal due to the reversing valve. Creaking sounds from the plastic parts are due to temperature changes. Flowing or blowing sounds indicate refrigerant movement. These are normal symptoms and should stop over time.
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Annette SheppardSep 9, 2025
Why can't I adjust the fan speed on my LG Air Conditioner?
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  Natalie DanielsSep 9, 2025
  If the fan speed on your LG Air Conditioner cannot be adjusted, it might be because Jet Mode or Auto Operation Mode is selected. To adjust the fan speed, select a different operation mode.

Summary

SAFETY INSTRUCTIONS

IMPORTANT SAFETY INSTRUCTIONS

Key safety guidelines to prevent risks and damage from operation.

Installation

Guidelines for installing the air conditioner safely and correctly to prevent hazards.

Technical Safety

Specific safety considerations related to electrical aspects and installation.

OPERATION

Notes for Operation

Tips for efficient and correct usage of the air conditioner.

Parts and Functions

Identification and description of the air conditioner's components and their functions.

Wireless Remote Control

Instructions on using the wireless remote control for operating the appliance.

Restarting the Air Conditioner Automatically

How the air conditioner restores previous settings after a power failure.

Using the Mode Function

How to select and use different operating modes like Cooling, Heating, etc.

SMART FUNCTIONS

LG ThinQ Application

Using the LG ThinQ app to communicate and control the appliance via smartphone.

Smart Diagnosis

Feature to diagnose and solve appliance problems using the LG ThinQ app.

MAINTENANCE

Clean the Air Filter

Instructions for cleaning the air filters of the indoor unit.

Clean the Micro Dust, Triple and Allergy Filter (Optional)

Cleaning guide for optional filters like Micro Dust, Triple, and Allergy.

TROUBLESHOOTING

Self-diagnosis Function

Built-in function that indicates errors with blinking lamps on the indoor unit.

Before Calling for Service

Steps to check before contacting the service center for troubleshooting.

LG S4NQ24K23AE Specifications

General

Refrigerant	R410A
Indoor Unit Dimensions (W x H x D)	998 x 315 x 223 mm
Outdoor Unit Dimensions (W x H x D)	870 x 635 x 310 mm
Inverter	Yes
Power Supply	220-240 V, 50 Hz
Type	Split