There is most likely a battery problem. You can try fully charging the battery and see if that resolves the issue. If not, you should purchase a [product|IF361-005|replacement battery|new_window=true]. If the issue persists even after replacing the battery, you will need a [link|https://www.dyson.co.uk/support/journey/spare-details.968677-02|replacement main body|new_window=true].
I hope this helps!