--- title: "JennAir steam oven showing Descale is needed" description: "What Descale is needed means on JennAir steam ovens, what to check before booking, and when it is not a failure at all." url: "https://ovenrepair.center/error-codes/jennair-descale-is-needed/" --- # JennAir steam oven showing Descale is needed On the JennAir steam oven, Descale is needed appears when the oven needs to be cleaned and descaled. ## What Descale is needed actually means. On the JennAir steam oven, Descale is needed appears when the oven needs to be cleaned and descaled. The descaling program is started from the Maintenance menu and must be completed once it begins. JennAir oven display What to do when Descale is needed shows on the oven ### Kind of code Steam and water The steam oven found its water tank empty, its supply short, or its steam generator slowed by scale. Refilling and seating the tank and running the descaling program come first; a pump, a level sensor or the generator is looked at only after that. ### Usually leads to Steam system repair A steam or combi-steam oven that makes no steam, weak steam or asks for water it already has, traced to scale, the pump, the generator or the tank sensor. ### Shows up as Oven Error Code The oven shows letters and numbers, beeps, and stops a cycle or refuses to start one. ### Make JennAir Whirlpool Corporation's luxury brand, offering wall ovens, steam ovens and speed ovens in two design styles. ### Source JennAir product help: Descale is needed - Wall Oven JennAir steam oven (wall oven help, Steam Oven section). ## Before you book, in this order. Each step comes from JennAir's own guidance for Descale is needed on its ovens. Follow it to the end: the last card says whether this is a visit. 01 Make sure the oven is empty, then press ON/HOME and choose Maintenance, then Descaling. 02 Mix 34 oz of water with 8.5 oz of descaler or white vinegar in the water container, put it back and press OK. 03 Let the cycle finish; when the display says Please remove and empty container, empty it and put it back before closing the door. ### Still there? It usually turns into [steam system repair](https://ovenrepair.center/services/steam-system-repair/). Book with the code and the model number. ### What not to do Descale is needed is not a service code. It is routine maintenance the owner runs. ## What you may notice with it. The oven problem Descale is needed tends to arrive with. Answer these at the oven before anyone is booked. [All problems](https://ovenrepair.center/problems/) Before you call ### [Oven Error Code](https://ovenrepair.center/problems/oven-error-code/) [All 6 causes, cheapest first](https://ovenrepair.center/problems/oven-error-code/) Problem ### Oven Error Code 6 causes, cheapest first Where Descale is needed usually leads ## Steam system repair. **Steam generator, pump or tank sensor · moderate.** Book a visit [What the job involves](https://ovenrepair.center/services/steam-system-repair/) ## JennAir ovens. Whirlpool Corporation's luxury brand, offering wall ovens, steam ovens and speed ovens in two design styles. [JennAir oven repair](https://ovenrepair.center/brands/jennair/) More JennAir codes [F1 E1](https://ovenrepair.center/error-codes/jennair-f1e1/) [F2 E0](https://ovenrepair.center/error-codes/jennair-f2e0/) [F3 E0](https://ovenrepair.center/error-codes/jennair-f3e0/) [F3 E1](https://ovenrepair.center/error-codes/jennair-f3e1/) [F4 E0](https://ovenrepair.center/error-codes/jennair-f4e0/) [F5 E0](https://ovenrepair.center/error-codes/jennair-f5e0/) [F7 E0](https://ovenrepair.center/error-codes/jennair-f7e0/) [F8 E0](https://ovenrepair.center/error-codes/jennair-f8e0/) Steam and water on other makes [Bertazzoni rES](https://ovenrepair.center/error-codes/bertazzoni-res/) [Dacor C-70](https://ovenrepair.center/error-codes/dacor-c-70/) [Gaggenau E182](https://ovenrepair.center/error-codes/gaggenau-e182/) [KitchenAid F7 E0](https://ovenrepair.center/error-codes/kitchenaid-f7-e0/) [Miele F10](https://ovenrepair.center/error-codes/miele-f10/) [Samsung C-70](https://ovenrepair.center/error-codes/samsung-c-70/) [Viking DESCALE NOW](https://ovenrepair.center/error-codes/viking-descale-now/) [Wolf E67](https://ovenrepair.center/error-codes/wolf-e67/) [All 19 codes of this kind](https://ovenrepair.center/error-codes/#family-steam) JennAir builds this ### Single wall oven One oven cavity set into a cabinet at chest height, with its own controls above the door and nothing to cook on above it. JennAir builds this ### Double wall oven Two full oven cavities stacked in one tall cabinet, sharing one control panel and one power supply but heating on their own. ## In JennAir's own words > This message will appear when the oven needs to be cleaned and descaled. [JennAir product help: Descale is needed - Wall Oven](https://producthelp.jennair.com/Cooking/Wall_Ovens_and_Ranges/Wall_Ovens_new/Other/Steam_Oven/Display_Messages/Descale_is_needed_-_Wall_Oven) [JennAir product help: Descale is needed - Wall Oven](https://producthelp.jennair.com/Cooking/Wall_Ovens_and_Ranges/Wall_Ovens_new/Other/Steam_Oven/Display_Messages/Descale_is_needed_-_Wall_Oven) [JennAir product help: Descale is needed - Wall Oven](https://producthelp.jennair.com/Cooking/Wall_Ovens_and_Ranges/Wall_Ovens_new/Other/Steam_Oven/Display_Messages/Descale_is_needed_-_Wall_Oven) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. JennAir steam oven (wall oven help, Steam Oven section). ## JennAir Descale is needed oven 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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Make sure the oven is empty, then press ON/HOME and choose Maintenance, then Descaling. If it comes back, it needs a visit. ### Can I use white vinegar when my JennAir says Descale is needed? Yes. JennAir's steps allow either a descaler or white vinegar, mixed 8.5 oz with 34 oz of water in the container. ### Can I stop the descale on my JennAir once Descale is needed has started it? JennAir says the procedure must be completed once it begins. Start it when you can let it run through to the Please remove and empty container message. --- **[Read on the site: JennAir steam oven showing Descale is needed](https://ovenrepair.center/error-codes/jennair-descale-is-needed/)** **[Book a visit with OvenRepair.center](https://ovenrepair.center/schedule/)**