CS-6000/6000b/6000t FAQs & Troubleshooting CS-6000/6000b/6000t Not your product? Sort by Updated Date Popularity 2 Results 1. 07/05/2015 Incorrect thread tension 2. 20/11/2012 The thread tension is incorrect. Sewing (Utility Stitches) FAQs & Troubleshooting