Safety first: Remove the battery and detach the mini motorized tool.

Open mini head: Access the mini brush roll by removing the cover plate.
Clear debris: Remove hair and fibers from the brush and end caps.
Check rotation: Spin the mini brush by hand. If stiff or seized, replace the brush assembly.
Test electrical connection: Inspect the connector pins between the tool and wand/handheld for damage.
Replace mini tool: If the brush still does not spin when the vacuum is on and other heads work, replace the mini motorized tool.

Mini motorized pet tool does not spin, but main floor head works normally

Possible Causes