--- title: "Jura Descaling: limescale needs removing" description: "What Descaling means on Jura Descaling: limescale needs removings, what to check before booking, and when it is not a failure at all." url: "https://coffeemachinerepair.center/error-codes/jura-descaling/" --- # Jura Descaling: limescale needs removing Scale forms at a rate set by the water hardness. ## What Descaling actually means. Scale forms at a rate set by the water hardness. Without a working filter cartridge, the Jura asks for descaling when needed. The program uses Jura descaling tablets dissolved in the tank. Jura coffee machine display What to do when Descaling shows on the coffee machine ### Kind of code Mode, not a failure The machine is doing what it was set to do, not wearing out: a rinse that runs through the spouts at switch-on and switch-off, a descale or filter reminder counting the water that has passed through, an energy-save mode that darkens the screen after a quiet spell, or a demo mode left on from the showroom that lights the keys and pours nothing. No part is needed; finishing the cycle the display asks for, or a key sequence from the manual, ends it. ### Usually leads to No repair Empty the drip tray and remove any filter cartridge. ### Shows up as What a Coffee Machine Error Code or Warning Symbol Means A coffee machine error code may show as a short string of letters and numbers, a flashing symbol for water, grounds or the brew unit, a short sentence on a text display, or a machine that stops with one light blinking. ### Make Jura Jura coffee machines are fixed where they stand, and the visit opens with a look at the cleaning and filter history the owner can recall. ### Source JURA E8 instructions for use (North America) E8 shows Descaling in the Cockpit; ENA 8 shows the Descaling the machine symbol. ## Before you book, in this order. Each step comes from Jura's own guidance for Descaling on its coffee machines. Follow it to the end: the last card says whether this is a visit. 01 Empty the drip tray and remove any filter cartridge. 02 Start descaling from the Cockpit and follow the display, adding Jura descaling tablets as asked. 03 Rinse and refill the tank at the end; if descaling stops unexpectedly, rinse the tank well, and book a visit if the prompt will not clear. ### Cleared? The message is gone, and the machine grinds, heats and pours a full cup again with no new part. If it comes back within the week, or the descale or filter reminder returns straight after a finished cycle, say so in the booking. ### What not to do The prompt is not a heater failure. It does not appear while a working CLEARYL Smart+ cartridge is in use. ## What you may notice with it. The coffee machine problems Descaling tends to arrive with. Answer these at the coffee machine before anyone is booked. [All problems](https://coffeemachinerepair.center/problems/) Before you call ### [What a Coffee Machine Error Code or Warning Symbol Means](https://coffeemachinerepair.center/problems/coffee-machine-error-code/) [All 7 causes, cheapest first](https://coffeemachinerepair.center/problems/coffee-machine-error-code/) It also comes with - [**Coffee Machine Descale Message Will Not Go Away**](https://coffeemachinerepair.center/problems/coffee-machine-descale-message-wont-clear/) Problem ### What a Coffee Machine Error Code or Warning Symbol Means 7 causes, cheapest first No repair indicated ## Nothing to repair. The machine is doing what it was set to do, not wearing out: a rinse that runs through the spouts at switch-on and switch-off, a descale or filter reminder counting the water that has passed through, an energy-save mode that darkens the screen after a quiet spell, or a demo mode left on from the showroom that lights the keys and pours nothing. No part is needed; finishing the cycle the display asks for, or a key sequence from the manual, ends it. [How to read what your coffee machine is telling you](https://coffeemachinerepair.center/problems/coffee-machine-error-code/) ## Jura coffee machines. Jura coffee machines are fixed where they stand, and the visit opens with a look at the cleaning and filter history the owner can recall. [Jura coffee machine repair](https://coffeemachinerepair.center/brands/jura/) More Jura codes [Fill water tank](https://coffeemachinerepair.center/error-codes/jura-fill-water-tank/) [Empty grounds](https://coffeemachinerepair.center/error-codes/jura-empty-grounds/) [Empty drip tray](https://coffeemachinerepair.center/error-codes/jura-empty-drip-tray/) [Drip tray not fitted](https://coffeemachinerepair.center/error-codes/jura-drip-tray-not-fitted/) [Fill bean container](https://coffeemachinerepair.center/error-codes/jura-fill-bean-container/) [Too hot](https://coffeemachinerepair.center/error-codes/jura-too-hot/) [Filter](https://coffeemachinerepair.center/error-codes/jura-filter/) [Cleaning](https://coffeemachinerepair.center/error-codes/jura-cleaning/) [Milk system cleaning](https://coffeemachinerepair.center/error-codes/jura-milk-system-cleaning/) [ERROR 2](https://coffeemachinerepair.center/error-codes/jura-error-2/) [ERROR 5](https://coffeemachinerepair.center/error-codes/jura-error-5/) Mode, not a failure on other makes [Bertazzoni Descaling needed. Press OK to start (~45min)](https://coffeemachinerepair.center/error-codes/bertazzoni-descaling-needed/) [Bosch Please run Calc'nClean program!](https://coffeemachinerepair.center/error-codes/bosch-please-run-calcnclean/) [Fisher & Paykel DESCALING NEEDED](https://coffeemachinerepair.center/error-codes/fisher-and-paykel-descaling-needed/) [Fulgor Milano PLEASE DESCALE!](https://coffeemachinerepair.center/error-codes/fulgor-milano-please-descale/) [Gaggenau Cleaning and descaling](https://coffeemachinerepair.center/error-codes/gaggenau-cleaning-and-descaling/) [JennAir DESCALE!](https://coffeemachinerepair.center/error-codes/jennair-descale/) [Miele Descale the appliance](https://coffeemachinerepair.center/error-codes/miele-descale-the-appliance/) [Smeg DESCALING NEEDED PRESS OK TO START (~45MIN)](https://coffeemachinerepair.center/error-codes/smeg-descaling-needed/) [All 23 codes of this kind](https://coffeemachinerepair.center/error-codes/#family-mode) Jura builds this ### Countertop espresso machine The fully automatic bean-to-cup machine that stands on the counter, grinding, tamping, brewing and frothing at the touch of a key, with its tank, hopper and grounds drawer all reached from the top and the front. ## In Jura's own words > The E8 is prompting you to descale it. [JURA E8 instructions for use (North America)](https://us.jura.com/-/media/global/pdf/manuals-na/Home/E8-NAD/download_manual_e8_nad.pdf) [JURA E8 instructions for use (North America)](https://us.jura.com/-/media/global/pdf/manuals-na/Home/E8-NAD/download_manual_e8_nad.pdf) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. E8 shows Descaling in the Cockpit; ENA 8 shows the Descaling the machine symbol. ## Jura Descaling coffee machine 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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Empty the drip tray and remove any filter cartridge. ### Can I use vinegar to descale my Jura? No. Jura warns that non-recommended agents such as vinegar can damage the machine. ### Why does my Jura ask for descaling so often? The water hardness may be set too high or you are not using a filter. Check the setting. ### My Jura descaling stopped halfway. What should I do? Jura says to rinse the water tank thoroughly. If the prompt stays, book a visit. --- **[Read on the site: Jura Descaling: limescale needs removing](https://coffeemachinerepair.center/error-codes/jura-descaling/)** **[Book a visit with CoffeeMachineRepair.center](https://coffeemachinerepair.center/schedule/)**