The Elite 4290 was Kenmore’s top-tier standalone induction cooktop, using magnetic coils under a ceramic-glass surface rather than a traditional heating element. Because induction only works with ferromagnetic cookware, a zone that won’t activate is checked against the pan itself — a magnet sticking to the pan’s base is a quick way to confirm compatibility […]

Kenmore’s standard induction line shares its underlying coil-and-sensor technology with the Elite 4290 but without that model’s higher-end control layout — both are diagnosed the same basic way, by isolating whether a complaint is a cookware-compatibility issue, a sensor problem, or a genuine coil failure before any part is ordered.