Samsung · Gen 6 Fault Code List.pdf Energy Lab
This error indicates a problem with the temperature sensor for the water outlet of the backup heater.
Click steps to track your progress.
Check the wiring connected to the backup heater's water outlet temperature sensor for secure connections and damage.
Ensure the sensor is correctly placed and functioning.
If the sensor is faulty, it will need to be replaced.
Contact a service professional for diagnosis and repair.