Why won't the One Top detect my pot or pan? Matthew M. August 21, 2018 17:45 Updated If proper cookware is not used, the 8th LED on the front of the One Top will flash. The flashing LED means no pot was detected on the cooktop. You will need to place an induction-compatible pot or pan on the cooktop to continue cooking. Note: To learn more, visit Do I need special Cookware? Related articles Why can't I connect to my One Top? Do I need special Cookware to use the One Top? Do I need Facebook to use the One Top? What do the lights and sounds mean on the One Top? Why does my One Top not reach its goal temperature?