--- title: "Samsung stove shows tESt and will not heat" description: "What tESt means on Samsung stove shows tESt and will not heats, what to check before booking, and when it is not a failure at all." url: "https://stoverepair.center/error-codes/samsung-test/" --- # Samsung stove shows tESt and will not heat tESt means Demo mode is on. ## What tESt actually means. tESt means Demo mode is on. The display and keys work, but the oven and electric elements stay cold, while gas burners on a gas model still light. Samsung's user manual for your model gives the key sequence to turn it off. Samsung stove display · also shown as tE5t What to do when tESt shows on the stove ### Kind of code Mode, not a failure Something the stove was switched into, often by accident, rather than something that broke: a control lock pressed while wiping the panel, a Sabbath setting, a showroom demo mode that lights the display and heats nothing, a reminder that a spot on the stovetop is still hot. No part is worn out, and the stove's own keys put it right. ### Usually leads to No repair Look for tESt or tE5t on the display to confirm it is Demo mode. ### Shows up as Oven on My Stove Won't Heat Up The burners on top work, but the oven underneath stays cold, heats only a little, or never reaches the temperature you set. ### Make Samsung The Korean electronics maker, whose stoves come in gas, electric and induction models, many app-connected. ### Source Samsung support: range or wall oven error codes Samsung US support article on oven and stove codes; how to leave Demo mode differs by model. ## Before you book, in this order. Each step comes from Samsung's own guidance for tESt on its stoves. Follow it to the end: the last card says whether this is a visit. 01 Look for tESt or tE5t on the display to confirm it is Demo mode. 02 Follow the Demo mode steps in your model's Samsung user manual to switch it off. 03 Run the oven for a few minutes to make sure it heats, and book a visit if the display keeps returning to Demo mode. ### Cleared? The stove is working again and no part was needed. If the same letters come back while a burner or the oven is on, or the stove switches itself off again in the middle of dinner, book it as a new problem. ### What not to do tESt is not a broken heating element or igniter. Nothing needs replacing until Demo mode is turned off and the stove is tried again. ## What you may notice with it. The stove problems tESt tends to arrive with. Answer these at the stove before anyone is booked. [All problems](https://stoverepair.center/problems/) Before you call ### [Oven on My Stove Won't Heat Up](https://stoverepair.center/problems/stove-oven-not-heating/) [All 6 causes, cheapest first](https://stoverepair.center/problems/stove-oven-not-heating/) It also comes with - [**Stovetop Not Heating**](https://stoverepair.center/problems/stovetop-not-heating/) - [**Stove Error Code**](https://stoverepair.center/problems/stove-error-code/) Problem ### Oven on My Stove Won't Heat Up 6 causes, cheapest first No repair indicated ## Nothing to repair. Something the stove was switched into, often by accident, rather than something that broke: a control lock pressed while wiping the panel, a Sabbath setting, a showroom demo mode that lights the display and heats nothing, a reminder that a spot on the stovetop is still hot. No part is worn out, and the stove's own keys put it right. [How to read what your stove is telling you](https://stoverepair.center/problems/stove-error-code/) ## Samsung stoves. The Korean electronics maker, whose stoves come in gas, electric and induction models, many app-connected. [Samsung stove repair](https://stoverepair.center/brands/samsung/) More Samsung codes [C-20](https://stoverepair.center/error-codes/samsung-c-20/) [C-21](https://stoverepair.center/error-codes/samsung-c-21/) [C-24](https://stoverepair.center/error-codes/samsung-c-24/) [C-25](https://stoverepair.center/error-codes/samsung-c-25/) [C-30](https://stoverepair.center/error-codes/samsung-c-30/) [C-d0](https://stoverepair.center/error-codes/samsung-c-d0/) [C-d1](https://stoverepair.center/error-codes/samsung-c-d1/) [C-F0](https://stoverepair.center/error-codes/samsung-c-f0/) [bAd LinE](https://stoverepair.center/error-codes/samsung-bad-line/) [-dE-](https://stoverepair.center/error-codes/samsung-de/) [door](https://stoverepair.center/error-codes/samsung-door/) [Cooktop in use](https://stoverepair.center/error-codes/samsung-cooktop-in-use/) [All 15 Samsung codes](https://stoverepair.center/error-codes/#codes-samsung) Mode, not a failure on other makes [AGA S](https://stoverepair.center/error-codes/aga-s/) [Bertazzoni H](https://stoverepair.center/error-codes/bertazzoni-h/) [Bosch ERR/toP](https://stoverepair.center/error-codes/bosch-err-top/) [Café Probe](https://stoverepair.center/error-codes/cafe-probe/) [Electrolux 5d](https://stoverepair.center/error-codes/electrolux-5d/) [Fulgor Milano F13](https://stoverepair.center/error-codes/fulgor-milano-f13/) [GE Profile HOT](https://stoverepair.center/error-codes/ge-profile-hot/) [GE LOC](https://stoverepair.center/error-codes/ge-loc/) [All 53 codes of this kind](https://stoverepair.center/error-codes/#family-mode) Samsung 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. Samsung builds this ### Electric stove A stove that runs entirely on electricity through a heavy cord and a large outlet behind it, with coil burners that lift out or a smooth glass stovetop with elements under it. Samsung 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. ## In Samsung's own words > The range is in Demo mode. The oven and cooktop will not heat. (Gas cooktops will still ignite.) [Samsung support: range or wall oven error codes](https://www.samsung.com/us/support/troubleshoot/TSG10003529) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Samsung US support article on oven and stove codes; how to leave Demo mode differs by model. ## Samsung tESt 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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Look for tESt or tE5t on the display to confirm it is Demo mode. ### Why do the burners on my Samsung gas stove light but the oven stays cold with tESt showing? In Demo mode Samsung lets gas burners ignite while the oven does not heat. Turn Demo mode off and the oven should work again. ### How did my Samsung stove get into Demo mode? It is often left on from a showroom or turned on by a press-and-hold combination on the panel. Your model's manual shows the combination to switch it off. ### Can a power outage put my Samsung stove into tESt mode? Samsung does not say so. If tESt keeps coming back after you switch it off, book a visit so the control can be checked. --- **[Read on the site: Samsung stove shows tESt and will not heat](https://stoverepair.center/error-codes/samsung-test/)** **[Book a visit with StoveRepair.center](https://stoverepair.center/schedule/)**