--- title: "La Cornue Château induction zone showing U" description: "What U means on La Cornue Château induction zones, what to check before booking, and when it is not a failure at all." url: "https://stoverepair.center/error-codes/la-cornue-u/" --- # La Cornue Château induction zone showing U On the all-electric Château stoves, U in a zone's display means no pan is detected or the pan is not suitable for induction. ## What U actually means. On the all-electric Château stoves, U in a zone's display means no pan is detected or the pan is not suitable for induction. While U shows you cannot turn the power up, and it clears as soon as a pan the zone can heat is placed on it. La Cornue stove display · also shown as [ U] What to do when U shows on the stove ### Kind of code Stovetop elements A burner on an electric or induction stovetop did not heat the way the knob or key asked, heated with nothing set, or ran hotter than the setting. The pan, a lock left on and the switch behind the knob are checked before the element under the glass, its limiter or an induction board is changed. If a burner keeps heating after it has been switched off, turn the stove's breaker off before anything else. ### Usually leads to Glass stovetop repair Smooth glass stovetops on electric and induction stoves with a cold circle, a cracked or chipped top, or a hot-surface light that stays on, repaired under the glass or with a new top. ### Shows up as Stove Error Code The stove shows letters and numbers, a flashing symbol or a short message, beeps, and the oven or a burner stops or will not start. ### Make La Cornue A French stove maker, part of the Middleby group, whose pieces are assembled by hand and finished to order. ### Source La Cornue G4 electric series guide (Château 60 to 150) Château 60, 90, 120 and 150 induction configurations in La Cornue's G4 electric series guide. ## Before you book, in this order. Each step comes from La Cornue's own guidance for U on its stoves. Follow it to the end: the last card says whether this is a visit. 01 Hold a magnet to the pan's base. Cast iron, steel and magnetic stainless will work; copper, aluminum, glass and ceramic will not. 02 Use a pan wide enough for the zone, since a pan that is too small will not be detected. 03 Set the pan in the middle of the zone, and book a visit if U remains with a pan that should work. ### Still there? It usually turns into [glass stovetop repair](https://stoverepair.center/services/glass-stovetop-repair/). Book with the code and the model number. ### What not to do Most of the time U has nothing to do with a failed zone. It usually points to the pan, whether its material or its size. ## What you may notice with it. The stove problems U tends to arrive with. Answer these at the stove before anyone is booked. [All problems](https://stoverepair.center/problems/) Before you call ### [Stove Error Code](https://stoverepair.center/problems/stove-error-code/) [All 8 causes, cheapest first](https://stoverepair.center/problems/stove-error-code/) It also comes with - [**Stovetop Not Heating**](https://stoverepair.center/problems/stovetop-not-heating/) - [**Stove Burner Not Working**](https://stoverepair.center/problems/stove-burner-not-working/) Problem ### Stove Error Code 8 causes, cheapest first Where U usually leads ## Glass stovetop repair. **Glass stovetop, element or induction coil · moderate to highest.** Book a visit [What the job involves](https://stoverepair.center/services/glass-stovetop-repair/) ## La Cornue stoves. A French stove maker, part of the Middleby group, whose pieces are assembled by hand and finished to order. [La Cornue stove repair](https://stoverepair.center/brands/la-cornue/) More La Cornue codes [E2](https://stoverepair.center/error-codes/la-cornue-e2/) [U400](https://stoverepair.center/error-codes/la-cornue-u400/) [Er](https://stoverepair.center/error-codes/la-cornue-er/) [E](https://stoverepair.center/error-codes/la-cornue-e/) [H](https://stoverepair.center/error-codes/la-cornue-h/) [L](https://stoverepair.center/error-codes/la-cornue-l/) Stovetop elements on other makes [AGA E2](https://stoverepair.center/error-codes/aga-e2/) [BlueStar E2](https://stoverepair.center/error-codes/bluestar-e2/) [Bosch F1](https://stoverepair.center/error-codes/bosch-f1/) [Electrolux F40](https://stoverepair.center/error-codes/electrolux-f40/) [Frigidaire F40](https://stoverepair.center/error-codes/frigidaire-f40/) [GE Profile Flashing power setting](https://stoverepair.center/error-codes/ge-profile-flashing-power-setting/) [Hestan E2](https://stoverepair.center/error-codes/hestan-e2/) [ILVE E](https://stoverepair.center/error-codes/ilve-e/) [All 29 codes of this kind](https://stoverepair.center/error-codes/#family-stovetop) La Cornue builds this ### Gas stove A stove with gas burners on top, whether its oven below runs on gas too or on electricity, fed by one gas line behind it and plugged into a wall outlet for the spark. La Cornue builds this ### Induction stove A stove with a flat glass top that heats the pan itself through a magnetic field, run by touch keys and power boards, with an electric oven underneath. La Cornue builds this ### Heritage stove Classic stoves built the old way, from AGA cast-iron heat storage stoves to French and Italian enamel stoves with brass trim, kept for decades and repaired rather than replaced. ## In La Cornue's own words > No pan or inadequate pan [La Cornue G4 electric series guide (Château 60 to 150)](https://d2a7uujil7d64c.cloudfront.net/file/704) [La Cornue G4 electric series guide (Château 60 to 150)](https://d2a7uujil7d64c.cloudfront.net/file/704) [La Cornue G4 electric series guide (Château 60 to 150)](https://d2a7uujil7d64c.cloudfront.net/file/704) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Château 60, 90, 120 and 150 induction configurations in La Cornue's G4 electric series guide. ## La Cornue U stove repair, where we come out. The same visit in every metro below: the code, the model number, and a diagnosis before any part is ordered. 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Hold a magnet to the pan's base. Cast iron, steel and magnetic stainless will work; copper, aluminum, glass and ceramic will not. If it comes back, it needs a visit. ### My copper pans show U on the Château induction plate. Why? La Cornue excludes copper from its induction zones, along with aluminum, glass and ceramic. Switch to a pan that a magnet grips firmly. ### A small saucepan shows U on my Château. Is the zone broken? Probably not. La Cornue says a pan with too small a diameter will not work on the zone, so try a wider magnetic pan first. ### When does U on a La Cornue Château mean a repair? When a flat, magnetic pan of the right size is centered on the zone and U still shows. Then book a visit so the zone's detection can be tested. --- **[Read on the site: La Cornue Château induction zone showing U](https://stoverepair.center/error-codes/la-cornue-u/)** **[Book a visit with StoveRepair.center](https://stoverepair.center/schedule/)**