Your Dyson Purifier, Purifier Heater or Purifier Humidifier can be reset to factory settings by following the below steps:

1. Press and hold both the physical Remote control’s power button, and the on-product power button for 10 seconds.
2. The product LCD display will show a countdown, followed by a tick. Please let this countdown conclude.
3. Release the buttons and reset the machine.

Please note - if your machine was previously connected to the MyDyson app, by reverting it to factory settings it will be removed. 

Please refer to our Connecting your Purifiers, Humidifiers and Heaters to the App article for instructions on reconnecting your machine to the Dyson App.