Status- Air Quality Sensor
Indicates the status of the air quality.
Value set:
Level 0 = no increase or decrease in pollutant level.
Level 1 = slow increase in pollutant level.
Level 2 = medium increase in pollutant level.
Level 3 = rapid increase in pollutant level.
Warm-up phase = the sensor is heated.
Defective heater pad = Warm-up of the sensor does not function correctly.
Stand-by mode = The sensor is not active.