Hold a newspaper approximately 2 meters 6 6 away from the product with the airflow control dial turned to maximum.
Dyson fan noise problem.
There s a problem with the oscillation.
Unplug your dyson personal purifying fan from the mains electricity supply before cleaning your machine.
The fan has a strong smooth airflow when switched on.
This may be causing the motor to work extra hard resulting in the noise i have posted an article on how to do this at the following link.
The airflow should be strong enough to lift a sheet of newspaper past 45 degrees.
Get expert help troubleshooting from dyson to get the most out of your machine.
Brush the outside of your machine with a soft brush to remove any debris from the shroud.