Philips Support

How to handle Air Purifier Air Quality Indicator not turning Blue cases

Published on 04 April 2023

Air purity indicator is not changing color / not turning in blue

  • Please clean pre filter with dry brush / vacuum cleaner.
  • Clean air quality sensor.
  • Reset the Filter.
  • Check filters are placed in correct direction ( All filters are having numbering and direction tags on it – make sure tag is placed in front direction)
  • If PM2.5 level is more than 150 use product in highest fan speed / turbo mode.
  • Try to close all the doors / windows while operating the air purifier.
  • Check sensitivity mode (Applicable to ac4014 to ac4372 only )…. Keep product in standard mode.
  • Check packing material (polythene ) is removed from all filters .

How to reset the Filter

Attachment - How to reset the Filter

How to change sensitivity

Attachment - Changing Sensitivity

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