The 9E error code indicates an overheating issue in your Samsung air conditioning system. This typically occurs when the system fails to cool properly, leading to temperature imbalances.
Running the unit for long periods without maintenance can cause overheating.
Dirt and debris can obstruct airflow, causing the system to overheat.
Overheating can trigger if the temperature sensors are malfunctioning.
Ensure that the filters and coils are free from blockages.
If the system has been running continuously, let it rest for a while to cool down.
Have a technician inspect the temperature sensors for malfunctions.