Vacuum Brush Not Pinning Fix?

Hi everyone! Just got my Mova and noticed the brush isn’t rotating/spinning, so it’s not doing as good a job as it can. Anyone come across this? Anyone know how to fix?

Thank you!!

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Hello, may I ask whether the side brush is not rotating, or is it the main rubber brush on the bottom that is not rotating?

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Hi! It’s the bottom brush. The side brush is working great!