Samsung · Air Conditioning
This error indicates a problem with the temperature sensors on the outdoor unit, such as the outdoor ambient, condenser, or discharge temperature sensors. These are vital for the unit's operating logic.
Click steps to track your progress.
Turn off the power to the air conditioner at the main breaker.
Inspect the outdoor unit for any visible loose connections or damage around the temperature sensor areas.
Restore power and restart the unit.
If the error persists, a technician may need to check the sensor's resistance value for shorts or opens.