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 Dyson.com 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!