--- title: "Bertazzoni induction cooktop showing L" description: "What L means on Bertazzoni induction cooktops, what to check before booking, and when it is not a failure at all." url: "https://cooktoprepair.center/error-codes/bertazzoni-l/" --- # Bertazzoni induction cooktop showing L An L on the displays means the child lock has been switched on. ## What L actually means. An L on the displays means the child lock has been switched on. It is set by pressing a zone display for three seconds and sliding the slider from 0 to 9 within ten seconds, and the same sequence takes it off again. Bertazzoni cooktop display What to do when L shows on the cooktop ### Kind of code Mode, not a failure A state the cooktop was put in, or one it picked deliberately — a child lock, a demo mode that lights the keys but heats nothing, a residual-heat letter over a zone that is still warm, a prompt that no pan has been found. Nothing has broken and no part is called for. ### Usually leads to No repair Repeat the lock sequence from the manual to turn the child lock off. ### Shows up as Cooktop Controls Unresponsive Touch keys or a slider do nothing, the display lights but ignores every press, or a knob turns without starting its burner or element. ### Make Bertazzoni An Italian maker whose US catalog lists drop-in gas cooktops, induction cooktops and pro-style rangetops. ### Source Bertazzoni TFT induction cooktop user manual (PE304T*, PE365T*) Bertazzoni induction cooktops with the TFT display interface, models PE304T* and PE365T*. The XV series and the induction downdraft cooktop have manuals of their own, which were not read for this code. ## Before you book, in this order. Each step comes from Bertazzoni's own guidance for L on its cooktops. Follow it to the end: the last card says whether this is a visit. 01 Repeat the lock sequence from the manual to turn the child lock off. 02 Make sure no pan or cloth covers the zone displays while you try the unlock sequence, because it starts with a three-second press on one of them. 03 If the L will not go away, book a visit so the touch interface can be checked. ### Cleared? The cooktop came right without a new part. If the same message returns while a zone or burner is on, or the top shuts itself down again mid-meal, treat it as a fresh problem and book it. ### What not to do L is not a sign that the cooktop has failed or lost power. The controls are locked on purpose. ## What you may notice with it. The cooktop problems L tends to arrive with. Answer these at the cooktop before anyone is booked. [All problems](https://cooktoprepair.center/problems/) Before you call ### [Cooktop Controls Unresponsive](https://cooktoprepair.center/problems/cooktop-controls-unresponsive/) [All 5 causes, cheapest first](https://cooktoprepair.center/problems/cooktop-controls-unresponsive/) It also comes with - [**Cooktop Error Code**](https://cooktoprepair.center/problems/cooktop-error-code/) Problem ### Cooktop Controls Unresponsive 5 causes, cheapest first No repair indicated ## Nothing to repair. A state the cooktop was put in, or one it picked deliberately — a child lock, a demo mode that lights the keys but heats nothing, a residual-heat letter over a zone that is still warm, a prompt that no pan has been found. Nothing has broken and no part is called for. [How to read what your cooktop is telling you](https://cooktoprepair.center/problems/cooktop-error-code/) ## Bertazzoni cooktops. An Italian maker whose US catalog lists drop-in gas cooktops, induction cooktops and pro-style rangetops. [Bertazzoni cooktop repair](https://cooktoprepair.center/brands/bertazzoni/) More Bertazzoni codes [ER03](https://cooktoprepair.center/error-codes/bertazzoni-er03/) [ER21](https://cooktoprepair.center/error-codes/bertazzoni-er21/) [E2](https://cooktoprepair.center/error-codes/bertazzoni-e2/) [U400](https://cooktoprepair.center/error-codes/bertazzoni-u400/) [A](https://cooktoprepair.center/error-codes/bertazzoni-a/) Mode, not a failure on other makes [BlueStar u](https://cooktoprepair.center/error-codes/bluestar-u/) [Bosch dE](https://cooktoprepair.center/error-codes/bosch-de/) [Café Power arc / ON indicator blinking](https://cooktoprepair.center/error-codes/cafe-power-arc-blinking/) [Electrolux Hot](https://cooktoprepair.center/error-codes/electrolux-hot/) [Fisher & Paykel P](https://cooktoprepair.center/error-codes/fisher-and-paykel-p/) [Frigidaire HE](https://cooktoprepair.center/error-codes/frigidaire-he/) [Gaggenau F8](https://cooktoprepair.center/error-codes/gaggenau-f8/) [GE Profile Power arc blinking](https://cooktoprepair.center/error-codes/ge-profile-power-arc-blinking/) [All 63 codes of this kind](https://cooktoprepair.center/error-codes/#family-mode) Bertazzoni builds this ### Gas cooktop A gas cooking surface dropped into a countertop cutout, with its gas line and power cord running down into the cabinet underneath. Bertazzoni builds this ### Induction cooktop A glass cooktop in the counter that heats the pan itself through magnetic coils, run by power boards and cooled by a fan underneath. Bertazzoni builds this ### Rangetop A pro-style gas cooking top with its knobs across the front, set into a notch above a base cabinet, often with a griddle or char-broiler beside the burners. ## In Bertazzoni's own words > The letter L appears on the display [Bertazzoni TFT induction cooktop user manual (PE304T*, PE365T*)](https://us.bertazzoni.com/downloads/14077/11179/11164_user-manual-TFT-induction-cooktops-NA_2_1.pdf) [Bertazzoni TFT induction cooktop user manual (PE304T*, PE365T*)](https://us.bertazzoni.com/downloads/14077/11179/11164_user-manual-TFT-induction-cooktops-NA_2_1.pdf) [Bertazzoni TFT induction cooktop user manual (PE304T*, PE365T*)](https://us.bertazzoni.com/downloads/14077/11179/11164_user-manual-TFT-induction-cooktops-NA_2_1.pdf) [Bertazzoni TFT induction cooktop user manual (PE304T*, PE365T*)](https://us.bertazzoni.com/downloads/14077/11179/11164_user-manual-TFT-induction-cooktops-NA_2_1.pdf) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Bertazzoni induction cooktops with the TFT display interface, models PE304T* and PE365T*. The XV series and the induction downdraft cooktop have manuals of their own, which were not read for this code. ## Bertazzoni L cooktop 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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Repeat the lock sequence from the manual to turn the child lock off. ### How do I turn off the L on my Bertazzoni cooktop? Use the same sequence that set it: hold a zone display for three seconds, then slide from 0 to 9 within ten seconds. The lock then clears. ### Is the L child lock the same as the keypad lock on a Bertazzoni cooktop? No. The keypad lock is meant for use during cooking, to stop settings being changed by accident, while the child lock with its L keeps the cooktop from being used at all. Each has its own steps in the manual. ### Why do I have to slide from 0 to 9 to clear the L on a Bertazzoni TFT cooktop? Bertazzoni uses one sequence to switch the child lock both on and off: press a zone display for three seconds, then slide from 0 to 9. The slide has to follow within ten seconds of the press, so a slow second step leaves the L in place. --- **[Read on the site: Bertazzoni induction cooktop showing L](https://cooktoprepair.center/error-codes/bertazzoni-l/)** **[Book a visit with CooktopRepair.center](https://cooktoprepair.center/schedule/)**