FAQs & Support

Contact & Hotline

Z21 Support

Your port of call for all questions on the Z21

Do you have any other questions on the Z21? Then you're welcome to simply send us a brief email. Our product experts will get a response to you as quickly as possible.


Here is the link to the contact form

Support Hotline

Do you have any technical queries on the new digital control centre? The Z21 support team will be happy to help!

From Germany, Austria and Switzerland - FREE OF CHARGE:
Telephone: 00800 57626000

International (at local call rates within the landline network; calls from mobiles max. € 0.42 per minute incl. VAT): 
Telephone: +43 (0) 820 200668

The hotline is available for you as follows:
Monday 13:00 - 16:00
Tuesday 09:00 - 12:00
Thursday 13:00 - 16:00