Problem:
You got the following error Message from Zehnder Comfo Control app on ios v1.5.0 (1700000028).
Status:
The problem is known and we are already investigating on the issue. Will be solved with the next version relased on Google play store for Beta users.
Solution: Problem is solved with the iOS App Version v1.5.0 (1700000029). This is available for all Beta Test users via Testflight App.