Innov-is 50 FAQs & Troubleshooting Innov-is 50 Not your product? Sort by Updated Date Popularity 2 Results 1. 20/05/2024 F** or "F*" appears on the LCD. What does it mean? 2. 25/02/2009 An icon indicating an error appears on the LCD. Error messages FAQs & Troubleshooting