The Castel 60 is built differently from every other current La Cornue range in one significant way: instead of mechanical knobs, its induction hob and controls are operated through a touch-sensitive panel. That difference changes what actually causes a control that “isn’t working” — because there is no physical knob to stick or a valve to bind, the most common causes are electrical and surface-related instead.
Why Grease Is the First Thing to Check
A touch panel senses the presence of a finger through the glass surface, and a film of grease, water, or cleaning residue across that surface can interfere with how reliably it registers a touch — sometimes making a control seem unresponsive, and sometimes making it register touches that were not actually intended. Cleaning the panel thoroughly with a soft cloth and a cleaner made for glass ceramic surfaces, then drying it completely, is worth doing before assuming the panel itself has a problem.
Wet Hands and Splashes
Because the panel is touch-sensitive rather than mechanical, cooking with wet or damp hands, or a splash landing directly on an active control area, can cause a touch to register incorrectly or not at all in the moment. This is worth ruling out by trying the control again with clean, dry hands before assuming anything is actually wrong.
Child Lock and Other Features
Like La Cornue’s other induction hobs, the Castel 60’s panel includes a child lock that will make every control unresponsive until it is deliberately released — worth checking before assuming a broader problem, since a locked panel and a failing one look identical from the outside.
Objects Left on the Panel
A utensil, a pot lid, or even a stray dish towel resting on part of the touch panel can be read as a continuous, unintended touch, which can block other controls from registering correctly until the object is removed. Keeping the panel clear of anything besides the cookware actually in use avoids this entirely.
When It Points at the Panel Itself
A control that stays unresponsive after a thorough cleaning, with dry hands, and with the lock confirmed off, points at the touch panel’s own electronics rather than anything on the surface. Because the panel is integrated directly into the hob’s control system, diagnosing and replacing it is technician work rather than something to take apart at home.
What to Report When You Call
Which specific controls are affected, whether the issue appeared after any particular spill or cleaning session, and whether it is every control or only one help a technician start with the panel’s wiring or its glass sensing layer rather than testing the whole hob from scratch. Mentioning that the range is a Castel 60, specifically, also matters, since its touch-panel control system is different enough from every knob-based La Cornue range that it changes where a technician starts.
If the Castel 60’s touch controls are not responding reliably, a La Cornue cooktop repair visit checks the panel and its electronics directly once cleaning and the lock have been ruled out.