Goods Scene Troubleshooting
Dreame H12s – Roller brush does not spin
The H12s roller brush remains stationary during operation.
Issue meaning
What this issue means
The H12s roller brush remains stationary during operation.
Start here
First checks
Remove the roller brush and briefly test the machine to observe the roller drive shaft. If the shaft rotates, try a correctly installed replacement roller. If the shaft itself does not rotate, Dreame recommends after-sales diagnosis.
Inspection
Area to inspect
Roller brush, roller seating and roller drive shaft.
Goods Scene guidance
What to do next
Use the drive-shaft test to distinguish a roller problem from a deeper drive or motor problem before ordering parts.
Practical guidance is kept separate from manufacturer wording.