Dyson Hot + Cool AM09 fan heater - Getting started

S Adams, return for refund or replacement, sound like plastic gear inside could be damaged or loose. Check the attached links,instruction and guides, Good luck
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https://www.dyson.co.uk/support/am09/am09-white-nickel/my-machine-is-not-working/my-machine-is-not-oscillating
https://www.dyson.com/support/am0112/am01-desk-fan-12-silver-iron/diagnosis-root-menu/my-machine-is-not-oscillating-am01
Dyson AM 02 Fan not working oscillating feature is broken
http://www.dysoncanada.ca/en-CA/support.aspx

Hi Garry, it's Jack at Dyson.

You can download a User guide for the AM09 Hot + Cool fan heater directly from our website: http://www.dyson.co.uk/medialibrary/Files/Dyson/Support/downloads/UK/fan/AM09_Manual.pdf

You can also find online support for your machine here: http://www.dyson.co.uk/support/am09/am09-black-iron

I hope this helps. If you'd like any further advice you're welcome to contact the Dyson Customer Helpline directly by calling 0800 298 0298 (UK), 1-866-693-9766 (US), 1-877-397-6622 (CA) or 1800 239 766 (AU).