I got problems getting text back into the summernote editor.
I already tried (but did not work):
$(\"#EDITsummernote\").innerHtml = \'test\';
To set:
$('#summernote').summernote('code', ' hello world ');
To get:
var get_code = $('#summernote').summernote('code');
Documentation: http://summernote.org/getting-started/#get--set-code