Samsung · Air Conditioning
The indoor unit's room temperature sensor has an open or short circuit, meaning it cannot correctly read the room temperature. This is an indoor sensor error and will cause the unit to turn off.
Click steps to track your progress.
Check the indoor unit room temperature sensor for visible damage or disconnections.
Inspect the indoor PCB connector CN41 (the white connector) to ensure it is securely connected.
Turn off the air conditioner, wait a few minutes, then turn it back on to see if the error clears.