I have my tension set on 5, if that happens to help. I just looked at the 4. part of my manual, and I don't see anything about tension. Makes it look like it is automatic, I think.
Perhaps someone who actually has a 4. will be around soon to help. It's no fun when things don't work...
Dina
Last edited by Dina; 04-11-2013 at 09:16 AM.
Reason: typo