Same values for PM 2.5 and 10 on device as well as app | Dyson Community

Same values for PM 2.5 and 10 on device as well as app

  • 17 April 2024
  • 1 reply

I recently bought a TP09 purifier and the PM2.5 and PM 10 readings are always exactly the same. It dies not seem to be an app issue, the readings on the device are the same. The device has been restarted multiple times as well. 

Does anyone know of a fix?




Best answer by Jack 17 April 2024, 11:26

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1 reply

Userlevel 6
Badge +9

Hi @NishD,

Welcome to the Dyson Community!

If you’ve already tried power cycling your machine without any change, we'll need our Customer Care experts to take you through some further troubleshooting checks when you have your Dyson purifier easily to hand, to help pinpoint the cause of the issue. If repair is needed, they’ll be able to discuss your options with you. 

Please visit and click the round purple button to launch the Dyson Digital Assistant. Then click the agent icon in the bottom left corner of the chat window to start a conversation with our Customer Care team.

We'll look forward to speaking with you!