--- title: "Miele dishwasher showing F12 | DishwasherRepair.center" description: "What F12 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-f12/" --- # Miele dishwasher showing F12 F12 is a water inlet code: water is blocked or restricted on its way into the dishwasher. ## What F12 actually means. F12 is a water inlet code: water is blocked or restricted on its way into the dishwasher. Miele lists a closed faucet, a dirty inlet filter, a kinked hose and flow pressure under 7.25 psi as causes. Miele dishwasher display · also shown as Fault F12 What to do when F12 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: F12 on a dishwasher (Wayback Machine copy of mieleusa.com, April 2026; the live page refuses automated reads) Miele gives F13 and F15 the same water inlet explanation on its US support pages. ## Before you book, in this order. Each step comes from Miele's own guidance for F12 on its dishwashers. Follow it to the end: the last card says whether this is a visit. 01 Make sure the faucet feeding the dishwasher is open. 02 With the machine unplugged and the faucet closed, unscrew the hose at the faucet, pull out the small plastic filter, rinse it and refit it with its seal; never dip the connection housing in water, because it holds an electrical valve. 03 Straighten any kink or loop in the inlet hose. 04 If the flow is good and F12 keeps coming back, book a visit. ### 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 F12 is not a leak alarm. On a Miele that job belongs to F70. ## What you may notice with it. The dishwasher problems F12 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 F12 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/) [F14](https://dishwasherrepair.center/error-codes/miele-f14/) [F78](https://dishwasherrepair.center/error-codes/miele-f78/) [F18](https://dishwasherrepair.center/error-codes/miele-f18/) [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 > The water inlet is blocked or restricted. [Miele USA support: F12 on a dishwasher (Wayback Machine copy of mieleusa.com, April 2026; the live page refuses automated reads)](https://web.archive.org/web/20260419053803/https://www.mieleusa.com/support/customer-assistance/dishwashing-1316/all/fault_f12_water_inlet-92678499851) [Miele USA support: F12 on a dishwasher (Wayback Machine copy of mieleusa.com, April 2026; the live page refuses automated reads)](https://web.archive.org/web/20260419053803/https://www.mieleusa.com/support/customer-assistance/dishwashing-1316/all/fault_f12_water_inlet-92678499851) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Miele gives F13 and F15 the same water inlet explanation on its US support pages. ## Miele F12 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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Make sure the faucet feeding the dishwasher is open. If it comes back, it needs a visit. ### Can I rinse the Miele inlet connection under the tap for F12? Only the small plastic filter should be rinsed; the connection housing contains an electrical valve and must stay dry. Refit the filter with its seal before reconnecting the hose. ### Could low water pressure cause F12 on my Miele? Yes, Miele names flow pressure below 7.25 psi as one cause, next to a closed faucet, a clogged inlet filter and a kinked hose. When water reaches the machine well and the code still shows up, arrange a visit. --- **[Read on the site: Miele dishwasher showing F12 | DishwasherRepair.center](https://dishwasherrepair.center/error-codes/miele-f12/)** **[Book a visit with DishwasherRepair.center](https://dishwasherrepair.center/schedule/)**