Hello
My installer did not provide QR code for my newly installed Vitocal 100-a to access the ViCare app.
Serial number is 793851703222012505
Thank you
Hello Nicola27,
in this community we can only support devices sold and operated in Germany since we have no access to devices and accounts located outside of Germany.
Please contact your regional service via mail, you can find the address on the Viessmann homepage of your country under "Contact".
Best regards,
Chris - Customer Care Team