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LG air conditioner - The message “interlocking operation” is displayed

Troubleshooting Multi Split, Single Split, Ventilation 09/24/2025

For a product where two or more indoor units are connected to one outdoor unit, the message “interlocking operation” may always be displayed.

※ It may be displayed when it is set to control 2 or more products with one wired remote control.

Interlocking operation statement displayed on the display window of the remote control

This guide was created for all models, so the images or content may be different from your product.

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