Possible Cause: The Cleaning Pad is not placed exactly within its Velcro area.
Solution: Remove and reattach the Cleaning Pad making sure it is placed exactly within its Velcro area.
Possible Cause: The Cleaning Pad is dirty.
Solution: Replace or clean the cleaning pad.
Possible Cause: The Cupule is dirty or the driving treads are dirty.
Solution: Clean the surface of the cupule and driving Treads with the provided finishing cloth. If the problem persists, please contact Customer Service.