Round-the-clock support
Would you like to use our on-site STK service or extend your warranty?
Do you have questions about operating or using our devices?
Do you need help with a technical difficulty?
Are you looking for tutorials or the latest manuals?
You can quickly get the help you need for those issues and more, from our 24/7 digital customer portal.
Repair requests now only handled digitally
For a smooth process, please submit repair requests exclusively via our online support. Do not send in devices for repair without prior request; packages sent to our headquarters on Fabrikstrasse in Waldkirch can no longer be delivered.