--- title: "Smeg induction cooktop showing H after switching off" description: "What H means on Smeg induction cooktops, what to check before booking, and when it is not a failure at all." url: "https://cooktoprepair.center/error-codes/smeg-induction-h/" --- # Smeg induction cooktop showing H H is Smeg's residual heat warning. ## What H actually means. H is Smeg's residual heat warning. After a zone is switched off, the display keeps showing H while the glass is still hot, and it disappears once the temperature drops below 140 °F. Smeg cooktop display What to do when H 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 Keep hands and children away from that zone until the H goes out. ### Shows up as Cooktop Hot Surface Light Stays On The hot surface light or residual heat indicator stays lit long after the glass has cooled, or it never comes on at all. ### Make Smeg An Italian maker known for its retro styling, whose US catalog includes built-in cooktops. ### Source Smeg induction cooktop manual (SIMU330D) Smeg SIMU induction cooktops; read from the SIMU330D manual, which Smeg links from the SIMU330D and SIMU336D product pages. ## Before you book, in this order. Each step comes from Smeg's own guidance for H on its cooktops. Follow it to the end: the last card says whether this is a visit. 01 Keep hands and children away from that zone until the H goes out. 02 Do not wipe the zone or set anything heat-sensitive on it until the H goes out. 03 If the H stays lit on a cooktop that has been off and cold for a long time, book a visit. ### 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 H is not a warning that something is wrong. It is a safety reminder about hot glass. ## What you may notice with it. The cooktop problems H tends to arrive with. Answer these at the cooktop before anyone is booked. [All problems](https://cooktoprepair.center/problems/) Before you call ### [Cooktop Hot Surface Light Stays On](https://cooktoprepair.center/problems/hot-surface-light-stays-on/) [All 5 causes, cheapest first](https://cooktoprepair.center/problems/hot-surface-light-stays-on/) It also comes with - [**Cooktop Error Code**](https://cooktoprepair.center/problems/cooktop-error-code/) Problem ### Cooktop Hot Surface Light Stays On 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/) ## Smeg cooktops. An Italian maker known for its retro styling, whose US catalog includes built-in cooktops. [Smeg cooktop repair](https://cooktoprepair.center/brands/smeg/) More Smeg codes [Er03](https://cooktoprepair.center/error-codes/smeg-induction-er03/) [E2](https://cooktoprepair.center/error-codes/smeg-induction-e2/) [L](https://cooktoprepair.center/error-codes/smeg-induction-l/) [E2](https://cooktoprepair.center/error-codes/smeg-ceramic-e2/) [H t](https://cooktoprepair.center/error-codes/smeg-ceramic-ht/) [HItE](https://cooktoprepair.center/error-codes/smeg-ceramic-hite/) [SHO](https://cooktoprepair.center/error-codes/smeg-ceramic-sho/) 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) Smeg 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. Smeg builds this ### Electric cooktop A coil or smooth-glass radiant cooking surface built into the countertop and wired to its own circuit in the cabinet or wall behind it. Smeg 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. ## In Smeg's own words > symbol will appear on the display. The symbol will disappear when the temperature drops below 140°F (60°C). [Smeg induction cooktop manual (SIMU330D)](https://doc.smeg.it/qr/91477A730/EN) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Smeg SIMU induction cooktops; read from the SIMU330D manual, which Smeg links from the SIMU330D and SIMU336D product pages. ## Smeg H 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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Keep hands and children away from that zone until the H goes out. ### How long does the H stay on a Smeg induction cooktop? Until the glass under that zone falls below 140 °F. After long cooking at high power that can take a while, which is normal. ### Why does H show on a Smeg zone I never used? Heat spreads through the glass from a busy neighboring zone. Once the whole top cools, every H should clear. ### Is the H on a Smeg SIMU induction cooktop a sign the zone is still heating? No, the H appears only after the zone has been switched off, and it stays while the glass above it remains hot. It goes out on its own once that spot falls below 140 °F (60 °C). --- **[Read on the site: Smeg induction cooktop showing H after switching off](https://cooktoprepair.center/error-codes/smeg-induction-h/)** **[Book a visit with CooktopRepair.center](https://cooktoprepair.center/schedule/)**