Check the DWT
1. Please ensure the DWT is not full.
2. Clean up the DWT if needed.
Check the brushroll cover/DWT/gaskets to make sure it's well installed.
Check the DWT/pre-filter/brush chamber/debris channel to make sure it's not blocked.
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.