Check the filters
1.Rinse the pre-filter with cold running water or clean it with Tineco rinse-free filter cleaning tool.
2.Rinse the mesh filter with cold running water.
3.Reinstall the filters correctly when it is dried completely.
Check the dustbin
1.Rinse the dustbin with cold running water.
2.Reinstall the dustbin correctly when it is dried completely.
Check the seal rings
Check the seal rings of motor air inlet/dustbin cover/mesh filter to make sure it's in good shape and well installed.
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.