Goods Scene Troubleshooting
Dreame H12 Pro – Tube, filter or dirt-sensor path is blocked
The H12 Pro detects a blockage affecting the tube or related airflow and sensing path.
Issue meaning
What this issue means
The H12 Pro detects a blockage affecting the tube or related airflow and sensing path.
Start here
First checks
Check whether the filter is clogged and clean it. If the condition remains, clean the tube and dirt sensor, then retry.
Inspection
Area to inspect
Filter, tube, airflow path and dirt sensor.
Goods Scene guidance
What to do next
Rule out filter and tube restrictions before diagnosing the suction motor or electronics.
Practical guidance is kept separate from manufacturer wording.