You are using an old version of the BaristaAssistant (MieleĀ app).
Update the entire MieleĀ app to the latest version.
The settings screen is not displayed for long enough when using the BaristaAssistant. In the version of the BaristaAssistant you are using, settings often cannot be confirmed because the settings screen is not displayed for long enough.
Update the entire MieleĀ app to the latest version.