Innov-is 1500D/1500 FAQs & Troubleshooting Innov-is 1500D/1500 Not your product? Sort by Updated Date Popularity 2 Results 1. 12/12/2018 When thread got tangled. 2. 23/10/2015 Why does the lower thread keep breaking? Sewing (Character Decorative Stitches) FAQs & Troubleshooting