https://community.viessmann.de/t5/Gas/Iphone-ViCare-app-with-Vitodens-100w-missing-functionalities/m-p/592617#M140840 <P>Dear Support,<BR />I noticed that on my app disappeared many functions which i had there before.</P><P>I would like to ask where i can find it?<BR />At this moment i noticed that i am missing in the app:<BR />- Schedule for Heating<BR />- Schedule for DHW<BR />- Hygiene program activation<BR />- DHW boost program activation<BR />- Holiday mode activation</P><P>Regards,<BR />AZ</P> Sat, 03 Jan 2026 18:37:26 GMT AZ1 2026-01-03T18:37:26Z https://community.viessmann.de/t5/Gas/Iphone-ViCare-app-with-Vitodens-100w-missing-functionalities/m-p/592617#M140840 <P>Dear Support,<BR />I noticed that on my app disappeared many functions which i had there before.</P><P>I would like to ask where i can find it?<BR />At this moment i noticed that i am missing in the app:<BR />- Schedule for Heating<BR />- Schedule for DHW<BR />- Hygiene program activation<BR />- DHW boost program activation<BR />- Holiday mode activation</P><P>Regards,<BR />AZ</P> Sat, 03 Jan 2026 18:37:26 GMT https://community.viessmann.de/t5/Gas/Iphone-ViCare-app-with-Vitodens-100w-missing-functionalities/m-p/592617#M140840 AZ1 2026-01-03T18:37:26Z