Goods Scene Troubleshooting
Dreame H12 – Tube or dirt-sensing path is blocked
The H12 detects a blockage in the tube or related dirt-sensing path.
Issue meaning
What this issue means
The H12 detects a blockage in the tube or related dirt-sensing path.
Start here
First checks
Check whether the tube is clogged. Clean the tube and dirt sensor as directed in the user manual, then retry.
Inspection
Area to inspect
Tube, airflow path and dirt sensor.
Goods Scene guidance
What to do next
Remove accessible blockages and clean the sensing path before diagnosing the suction motor or electronics.
Practical guidance is kept separate from manufacturer wording.