Samsung · Gen 6 Fault Code List.pdf Energy Lab
This error indicates a communication failure between a master wired remote controller and a slave wired remote controller.
Click steps to track your progress.
Check the wiring and connections between the master and slave remote controllers.
Ensure there are no obstructions or sources of interference affecting the communication signal.
Restart the system by powering off and then on the controllers.
If the error continues, one of the remote controllers may be defective.