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.