What to do if there is an abnormal noise from the roller brush of the Xiaomi Truclean W30 Pro Wet Dry Vacuum?

If there is an abnormal noise from the roller brush during floor cleaning with the Xiaomi Truclean W30 Pro Wet Dry Vacuum, please refer to the following steps to troubleshoot:
  1. Make sure the clean water tank is properly installed. If not, align it with the slot and press the cover down with both hands until you hear a “click” sound.
  2. Ensure the roller brush is properly installed. If not, reinstall it and make sure the lock snaps into place with a “click”.
  3. Check whether the edges, gaps, or scraper area of the roller brush has any entangled or clogged foreign objects. If there are any, clean them with the cleaning brush and reinstall the brush.

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