Hi @Maryum,
Welcome to the Dyson Community, and thanks for letting us know about this.
In the first instance, we’d recommend following our troubleshooting guide to ensure you’ve ruled out the basic issues which can cause your Dyson Airwrap multi-styler not to work as intended:
As it sounds like you’ve already run through some troubleshooting, we'll need our Customer Care experts to take you through some further troubleshooting checks when you have your machine easily to hand. If a replacement part or a repair is needed, they’ll be able to discuss your options with you.
Please visit Dyson.com and click Support to get in touch with the right Dyson Customer Care team for your region.
We'll look forward to speaking with you!