It seems that the product is defective. How can I return it? Follow Sandra Portmann July 24, 2018 09:25 Updated The respective subsidiary or sales partner will be happy to help you. Please check the contact information of the local contact. Related articles I ordered the wrong product in the online-shop. Can I return it? What information is required by Support? Commutation: Graphite brushes (GB) or Precious metal brushes (EB) Comments 0 comments Please sign in to leave a comment.