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