Air Quality Sensor Lamp: Detects and displays the quality of air in three indicated color levels.
Odor Sensor Lamp: Detects and displays the amount of odor in three indicated color levels.
Airflow Lamp: Designates the current airflow rate.
Operation Lamp: Designates the current operating mode.
Clean Indicator: Illuminates when the plasma ionizer needs to be cleaned.
Filter Lamp: Illuminates when the filter needs to be replaced.