Ok, it runs now. Seems to be an old Webkit Bug.
angular2 or in detail zone.js tries to inspect a XHR.responseBlob witch raises an Error in OLD Webkit Browsers described here:
WIth this 'Hacky Fix' it runs:
Thanks for sharing the solution. Which device were you testing this on?
i cannot give an answer to your Post. So I answered my Post again
MC 9596-K with EB 1.4