--- title: "Miele dishwasher showing F18 | DishwasherRepair.center" description: "What F18 means on Miele dishwashers, what to check before booking, and when it is not a failure at all." url: "https://dishwasherrepair.center/error-codes/miele-f18/" --- # Miele dishwasher showing F18 F18 means the water intake valve has failed. ## What F18 actually means. F18 means the water intake valve has failed. Miele puts it among the technical problems an owner cannot put right. Miele dishwasher display · also shown as Fault F18 What to do when F18 shows on the dishwasher ### Kind of code Water supply Not enough water arrived, or it arrived too slowly. The supply valve under the sink and the inlet screen are checked before the fill valve itself. ### Usually leads to Fill and water valve repair A dishwasher that will not fill, fills too little, or keeps filling, traced through the valve, the float and the supply. ### Shows up as Dishwasher Not Filling With Water The cycle starts and hums, but little or no water comes into the tub. ### Make Miele German-built dishwashers designed for long service life, in standard and fully integrated versions. ### Source Miele USA support: F18 on a dishwasher (Wayback Machine copy of mieleusa.com, June 2026; the live page refuses automated reads) Miele dishwashers with an F-code display; the US page does not tie F18 to a series. ## Before you book, in this order. Each step comes from Miele's own guidance for F18 on its dishwashers. Follow it to the end: the last card says whether this is a visit. 01 Switch the dishwasher off and do not keep restarting it. 02 Book a visit; Miele sends owners straight to a repair appointment for F18. ### Still there? It usually turns into [fill and water valve repair](https://dishwasherrepair.center/services/fill-and-water-valve-repair/). Book with the code and the model number. ### What not to do F18 is not a blocked supply; the restricted-inlet codes are F12, F13 and F15. ## What you may notice with it. The dishwasher problems F18 tends to arrive with. Answer these at the dishwasher before anyone is booked. [All problems](https://dishwasherrepair.center/problems/) Before you call ### [Dishwasher Not Filling With Water](https://dishwasherrepair.center/problems/dishwasher-not-filling/) [All 5 causes, cheapest first](https://dishwasherrepair.center/problems/dishwasher-not-filling/) It also comes with - [**Dishwasher Cycle Takes Too Long**](https://dishwasherrepair.center/problems/dishwasher-cycle-too-long/) Problem ### Dishwasher Not Filling With Water 5 causes, cheapest first Where F18 usually leads ## Fill and water valve repair. **Water inlet valve or float switch · low.** Book a visit [What the job involves](https://dishwasherrepair.center/services/fill-and-water-valve-repair/) ## Read these before the visit. Short guides that make the call quicker and the diagnosis cheaper. [All guides](https://dishwasherrepair.center/guides/) Fitted right the first time ### Water Supply and Hot Water Temperature Checks you can make yourself ### Five checks before you call for dishwasher repair Error codes ### All 188 codes, by make ## Miele dishwashers. German-built dishwashers designed for long service life, in standard and fully integrated versions. [Miele dishwasher repair](https://dishwasherrepair.center/brands/miele/) More Miele codes [F1](https://dishwasherrepair.center/error-codes/miele-f1/) [F11](https://dishwasherrepair.center/error-codes/miele-f11-g1000-g6000/) [F11](https://dishwasherrepair.center/error-codes/miele-f11-g7000/) [F12](https://dishwasherrepair.center/error-codes/miele-f12/) [F14](https://dishwasherrepair.center/error-codes/miele-f14/) [F78](https://dishwasherrepair.center/error-codes/miele-f78/) [F24](https://dishwasherrepair.center/error-codes/miele-f24/) [F25](https://dishwasherrepair.center/error-codes/miele-f25/) [F70](https://dishwasherrepair.center/error-codes/miele-f70/) Water supply on other makes [ASKO F12](https://dishwasherrepair.center/error-codes/asko-f12/) [Bertazzoni FF](https://dishwasherrepair.center/error-codes/bertazzoni-ff/) [Bosch E16](https://dishwasherrepair.center/error-codes/bosch-e16/) [Cove 560186](https://dishwasherrepair.center/error-codes/cove-560186/) [Dacor 4C](https://dishwasherrepair.center/error-codes/dacor-4c/) [Fisher & Paykel A1](https://dishwasherrepair.center/error-codes/fisher-and-paykel-a1/) [Fulgor Milano E2](https://dishwasherrepair.center/error-codes/fulgor-milano-e2/) [Gaggenau E:3200](https://dishwasherrepair.center/error-codes/gaggenau-e3200/) [All 44 codes of this kind](https://dishwasherrepair.center/error-codes/#family-fill) Miele builds this ### Built-in dishwasher The standard 24-inch machine under the counter, and the one nearly every American kitchen has. Miele builds this ### Panel-ready dishwasher Hidden behind a cabinet door, controlled from the top edge, and repaired with the panel's weight in mind. Miele builds this ### Compact dishwasher The 18-inch and ADA-height machines for small kitchens, where the tight tub changes both loading and repairs. ## In Miele's own words > Water intake valve faulty. [Miele USA support: F18 on a dishwasher (Wayback Machine copy of mieleusa.com, June 2026; the live page refuses automated reads)](https://web.archive.org/web/20260608202625/https://www.mieleusa.com/support/customer-assistance/dishwashing-1316/all/fault_f18-92837011979) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Miele dishwashers with an F-code display; the US page does not tie F18 to a series. ## Miele F18 dishwasher 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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Switch the dishwasher off and do not keep restarting it. If it comes back, it needs a visit. ### Will restarting my Miele a few times get past F18? Repeated restarts will not help, because F18 reports that the valve letting water into the machine has itself failed. Miele places it with the technical problems that only a repair appointment can settle, so switch the dishwasher off and leave it that way. ### Can I clear F18 on a Miele the way I would clear a blocked inlet? No, the owner-level inlet checks belong to F12, F13 and F15, where water is held back on its way in. With F18 the supply may be fine and the valve still unable to open, which is why there is no cleaning step for it. --- **[Read on the site: Miele dishwasher showing F18 | DishwasherRepair.center](https://dishwasherrepair.center/error-codes/miele-f18/)** **[Book a visit with DishwasherRepair.center](https://dishwasherrepair.center/schedule/)**