Goods Scene Troubleshooting
Dreame H12s – Unexpected or unusually loud operating noise
The H12s makes abnormal or noticeably louder noise during cleaning.
Issue meaning
What this issue means
The H12s makes abnormal or noticeably louder noise during cleaning.
Start here
First checks
Remove the roller and clear the brush and pipe inlet. Check the filter above the dirty-water tank; clean the dirty-water-tank pipe and ensure the filter is clean and completely dry. If the noise remains, contact service.
Inspection
Area to inspect
Roller, inlet, dirty-water-tank pipe and filter.
Goods Scene guidance
What to do next
Rule out obstruction and a wet or clogged filter before diagnosing the motor or bearings.
Practical guidance is kept separate from manufacturer wording.