Samsung · AC & Climate Systems
This error indicates a communication failure between the Hydro unit's main circuit board (PBA) and the Control kit's circuit board (PBA).
Click steps to track your progress.
Inspect the connection between the Hydro unit and the Control kit.
Verify the communication cable is properly seated and undamaged.
Check the integrity of the Control kit's PBA.
Power cycle the system to see if the error clears.