Unit vibrates excessively and is difficult to control on carpet.

Safety: Unplug and place the unit on its side.

• Inspect brush: Remove the brush roller and check for missing bristles, warping, or damage.
• Check end caps: Ensure end caps and bearings are secure and not worn oval.
• Replace roller: If the roller is visibly bent or bristles are uneven, replace the entire brush roller assembly.
• Housing check: Inspect the brush housing for cracks or loose mounting screws and repair as needed.