Help! Tongsheng tsdz2 sound problem diagnose

[Flipoidix]

Hello all,

After 110km my new ( 1 month ) tsdz2 motor started making a noise even without being turned on.

https://youtube.com/shorts/bPzXz8fFZeI?feature=share

Does anyone had this kind of noise before?
Any help would be appreciated.

thank you very much!
Regards,
Filipe