I have posts on my homepage and the [...] is not a link. I have set my Configure Excerpts not to strip these codes: <p><a><a/><span><em><br /><caption>.

Here is a link to my site: http://wp.wecanrowboston.org/

Thank you for your help.

If you want there to be a link at the end of you excerpt you need to change the code to include %permalink% in the Configure Excerpts section of the theme options.