1. Please make sure the battery power has not run out and the battery pack is correctly installed.
2. Clean the dustbin and the filters.
3. Remove any blockages from the power brush, and the hair wrapped around the brush roller.
4. Remove any blockages from the tube, the motor inlet and outlet.
5. Cool down and check the device in order to avoid overheating.
Contact Tineco Support Team.
A complete description of your problem or questions (with related photo or video) will enable us to support you more efficiently and effectively.