--- title: "Thermador cooktop showing F8 | CooktopRepair.center" description: "What F8 means on Thermador cooktops, what to check before booking, and when it is not a failure at all." url: "https://cooktoprepair.center/error-codes/thermador-f8/" --- # Thermador cooktop showing F8 F8 appears when a zone has run a long time with no change to its setting. ## What F8 actually means. F8 appears when a zone has run a long time with no change to its setting. Thermador turns it off as a safety measure; H or h beside it means the surface is still warm. Thermador cooktop display What to do when F8 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 Touch any control to clear the code and set the zone again. ### Shows up as Cooktop Element Not Heating A coil stays black, a radiant ring under the glass never glows, or a zone warms so weakly that a pot of water will not boil. ### Make Thermador A BSH-owned luxury brand that lists gas, electric and induction cooktops alongside pro-style rangetops. ### Source Thermador induction cooktop error codes (US support) Listed on Thermador's induction and electric cooktop pages. ## Before you book, in this order. Each step comes from Thermador's own guidance for F8 on its cooktops. Follow it to the end: the last card says whether this is a visit. 01 Touch any control to clear the code and set the zone again. 02 Treat the zone as hot while H or h is lit beside F8. 03 Book a visit only if F8 shows up after a short time. ### 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 F8 is not a heating failure. The zone did what it was set to do and then timed out. ## What you may notice with it. The cooktop problems F8 tends to arrive with. Answer these at the cooktop before anyone is booked. [All problems](https://cooktoprepair.center/problems/) Before you call ### [Cooktop Element Not Heating](https://cooktoprepair.center/problems/element-not-heating/) [All 6 causes, cheapest first](https://cooktoprepair.center/problems/element-not-heating/) It also comes with - [**Cooktop Hot Surface Light Stays On**](https://cooktoprepair.center/problems/hot-surface-light-stays-on/) - [**Cooktop Error Code**](https://cooktoprepair.center/problems/cooktop-error-code/) Problem ### Cooktop Element Not Heating 6 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/) ## Thermador cooktops. A BSH-owned luxury brand that lists gas, electric and induction cooktops alongside pro-style rangetops. [Thermador cooktop repair](https://cooktoprepair.center/brands/thermador/) More Thermador codes [dE](https://cooktoprepair.center/error-codes/thermador-de/) [F0](https://cooktoprepair.center/error-codes/thermador-f0/) [F1](https://cooktoprepair.center/error-codes/thermador-f1/) [F2](https://cooktoprepair.center/error-codes/thermador-f2/) [F5](https://cooktoprepair.center/error-codes/thermador-f5/) [F9](https://cooktoprepair.center/error-codes/thermador-f9/) [U400](https://cooktoprepair.center/error-codes/thermador-u400/) [E9000](https://cooktoprepair.center/error-codes/thermador-e9000/) [E9011](https://cooktoprepair.center/error-codes/thermador-e9011/) [E7010](https://cooktoprepair.center/error-codes/thermador-e7010/) [E8204](https://cooktoprepair.center/error-codes/thermador-e8204/) [E8205](https://cooktoprepair.center/error-codes/thermador-e8205/) [All 14 Thermador codes](https://cooktoprepair.center/error-codes/#codes-thermador) Mode, not a failure on other makes [Bertazzoni L](https://cooktoprepair.center/error-codes/bertazzoni-l/) [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/) [All 62 codes of this kind](https://cooktoprepair.center/error-codes/#family-mode) Thermador 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. Thermador 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. Thermador 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 Thermador's own words > The automatic time limitation has been triggered. [Thermador induction cooktop error codes (US support)](https://www.thermador.com/us/support/induction-cooktops/error-codes) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Listed on Thermador's induction and electric cooktop pages. ## Thermador F8 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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Touch any control to clear the code and set the zone again. ### How do I keep a Thermador zone from timing out during a long braise? Touching the setting now and then resets the clock. The limit exists for pans that were forgotten. ### What does the H next to F8 mean? It is the residual heat indicator: the zone is off but still hot to the touch. ### Does the Thermador electric cooktop also use F8 for its time limit? Yes, Thermador lists F8 on its electric cooktop page as well as its induction page. On both, the code means a zone ran a long time with no change and was switched off. Touch a control and set the zone again. --- **[Read on the site: Thermador cooktop showing F8 | CooktopRepair.center](https://cooktoprepair.center/error-codes/thermador-f8/)** **[Book a visit with CooktopRepair.center](https://cooktoprepair.center/schedule/)**