Blueair HealthProtect 7400 Series User Manual page 15

Filter indicator
The air purifier calculates the remaining lifetime of the filter based on usage and sensor
readings, and indicates when it is time to replace the filter.
Indicators (10-models and 40-models)
Status Filter replacement
No lifetime left of the filter.
Status Filter replacement "blinking"
Cannot recognize a Blueair filter
/No filter detected.
See Troubleshooting for more information on filter indicators.
Category indicators (70-models)
The categories of the different functions are indicated on the top of the screen- press the
buttons on the control panel or on the left and right arrow to view the data for the chosen
category.
PM1
Particle data
Temperature
Relative humidity
Indicators (70-models)
Status Filter replacement
No lifetime left of the
Status New filter
Filter change completed.
Status Filter warning
Cannot detect a Blueair filter.
Status No filter
No filter detected.
Gas data
Filter lifetime
15
filter.