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[LG Ceiling-mounted AC] How Do I Control Units Separately When They

If multiple ceiling mounted LG air conditioners turn on simultaneously, you can use the individual control feature to operate each indoor unit independently. To use this feature, you need indoor units and a remote control that support Individual Control, and setting the indoor unit number on the remote control allows you to operate only the selected unit.

[LG Ceiling-mounted AC] How Do I Control Units Separately When They Turn On Together? LG USA help image
TroubleshootingAir Conditioners

What to Check First

  1. This feature allows you to assign a number to multiple indoor units in the same space so that each unit can operate independently.
  2. When using a common remote control, nearby air conditioners may turn on simultaneously, so individual control settings are required.
  3. Applicable Models 1-Way Ceiling-Mounted Cassette: Units manufactured after November 2017.
  4. Multi V Ceiling-Mounted Cassette (Single Type) Unit.
  5. 1-Way/2-Way/4-Way Ceiling-Mounted Cassette: Units manufactured after July 2017.
  6. Type A/Type B Remote Control 1. Press and hold the [Indoor Unit Select] button while pressing the RESET button to enter the address setting mode. ※ Note: On some remote controls, you can enter the address setting mode by pressing the [Indoor Unit Select] button for 3 seconds.
  7. 2. Press the [Indoor Unit Select] button to select the number in the following order: All → 1 → 2 → 3 → 4.
  8. 3. Press the [Start/Stop] button within 10 cm of the air conditioner to transmit the selected number.
  9. 4. Press the RESET button to exit the settings. ※ Example: Setting the indoor unit number to 4.
  10. Type C Remote Control 1. Press the [Settings] button → Use the left/right buttons to access the additional features → Select the individual indoor unit setup.

Why This Can Happen

Symptoms can have more than one cause, and the correct steps depend on the exact model, installation and operating conditions. Use the checks above to narrow the issue before service.

Safety and Model-Specific Guidance

Stop troubleshooting if you notice burning, electrical damage, unsafe heat, gas odor, refrigerant concerns, or water near electrical components. Follow the official LG USA instructions for your exact model.

Frequently Asked Questions

What should I check first for [LG Ceiling-mounted AC] How Do I Control Units Separately When They Turn On Together??

This feature allows you to assign a number to multiple indoor units in the same space so that each unit can operate independently.

When should I stop troubleshooting and contact LG?

Stop if the product shows signs of electrical damage, burning, leaking near electrical components, or if the recommended checks do not resolve the issue. Use LG USA support for model-specific service guidance.

Does this guidance apply to every LG model?

Not always. Controls, error codes and service steps can differ by model. Confirm the exact model number and follow the linked LG USA article for model-specific instructions.

Related LG Products

These model pages are linked because the stored category or exact model matches this Help Library topic.

Buying Guides for This Product Type

Household use caseAir Conditioner Family & High-Use Household GuidePerformance & capacityAir Conditioner Performance, Capacity & Everyday-Use GuideEfficiency & running costAir Conditioner Efficiency, Energy & Running-Cost GuideFeatures & valueAir Conditioner Features Worth Paying For — Value Guide

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Read the Official LG Guide