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[LG Air Conditioner Central Control] How to use the 16 room central

Function controller is a device that can be connected to the 16 room central controller to remotely control target temperature, wind volume and etc of each room.

[LG Air Conditioner Central Control] How to use the 16 room central control function controller LG USA help image
[LG Air Conditioner Central Control] How to use the 16 room central control function controller LG USA help image 2
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TroubleshootingAir Conditioners

What to Check First

  1. Function controller is a device that can be connected to the 16 room central controller to remotely control target temperature, wind volume and etc of each room.
  2. Press the individual operation /stop button of the central controller at the same time to select the indoor unit to control. In this case, the indoor unit is operated or stopped. The function controller indicates the operational status of the selected indoor unit and it is in the state where you can set the operation mode, and the wind volume/target temperature.
  3. Press the simultaneous operation button of the central controller at the same time to select the group indoor unit to control. In this case, the group indoor unit is operated. Function controller indicates the operational status of the first indoor unit connected and its “simultaneous operation” and it is in the state where you can adjust the operation mode, the wind volume/target temperature.
  4. Press the simultaneous operation button of the central controller for about 2 to 3 seconds to select all the indoor units to control. In this case, all indoor units selected are operated. Function controller indicates the operational status of the first indoor unit connected to the master central controller and its “simultaneous operation” and it is in the state where you can adjust the operation mode, the wind volume/target temperature.
  5. Press the individual operation/stop button for the central controller set as the master for 2 to 3 seconds to select and simultaneously operate the group indoor units corresponding to the button. Function controller indicates the operational status of the first indoor unit connected to the master central controller and its “simultaneous operation” and it is in the state where you can adjust the operation mode, the wind volume/target temperature.
  6. Ex) If you press the #2 button on the master central controller for 2 to 3 seconds, the #2 group indoor unit is operated.
  7. This guide was created for all models, so the images or content may be different from your product.

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 Air Conditioner Central Control] How to use the 16 room central control function controller?

Function controller is a device that can be connected to the 16 room central controller to remotely control target temperature, wind volume and etc of each room.

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

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Read the Official LG Guide