--- title: "Miele F233: the cup-rim sensor lost its place" description: "What F233 means on Miele F233: the cup-rim sensor lost its places, what to check before booking, and when it is not a failure at all." url: "https://coffeemachinerepair.center/error-codes/miele-f233/" --- # Miele F233: the cup-rim sensor lost its place The central spout lowers itself until a sensor touches the rim of your cup. ## What F233 actually means. The central spout lowers itself until a sensor touches the rim of your cup. If something bumps that sensor while the spout is rising, it loses track of where it is, and F233 appears. Until the next switch-on the spout stays up and cup-rim detection is off. Miele coffee machine display What to do when F233 shows on the coffee machine ### Kind of code Control board and power The electronics that read the keys and run the grinder, the pump and the heater have flagged a problem with themselves or with the power reaching them: a supply that dipped or spiked, a board that lost its settings after an outage, a display or touch panel that stopped answering, or a relay that stuck. One switch-off at the key or the breaker clears a passing glitch; a message that returns, or any hot smell, means the power stays off and a technician tests the board. ### Usually leads to Coffee machine control board repair Testing and replacing the power board, control board and touch panel of a coffee machine, and the sensors they read. ### 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 Miele Miele coffee systems are serviced at home, with the brew unit lifted out and inspected once the machine has cooled. ### Source Miele CVA 7440 built-in coffee system operating and installation instructions (en-US, CA) Miele CVA 7440 built-in coffee system (tank-fed, M.-Nr. 12 867 300). The cup-rim sensor sits under the central spout; Miele asks for it to be cleaned at least weekly. ## Before you book, in this order. Each step comes from Miele's own guidance for F233 on its coffee machines. Follow it to the end: the last card says whether this is a visit. 01 Confirm the message with OK. 02 Refit the cup-rim sensor under the central spout so it sits in place. 03 Switch the machine off and back on later; detection resets at the next switch-on, and if F233 keeps returning with the sensor seated, book a visit. ### Still there? It usually turns into [coffee machine control board repair](https://coffeemachinerepair.center/services/coffee-machine-control-board-repair/). Book with the code and the model number. ### What not to do F233 does not mean the spout motor has failed. It is also different from a drink stopping early with a very wide cup, which Miele treats as normal because the sensor cannot touch the rim. ## What you may notice with it. The coffee machine problems F233 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 - [**No Coffee Coming Out of the Coffee Machine**](https://coffeemachinerepair.center/problems/coffee-machine-no-coffee-coming-out/) Problem ### What a Coffee Machine Error Code or Warning Symbol Means 7 causes, cheapest first Where F233 usually leads ## Coffee machine control board repair. **Power board, control board, display or touch panel · moderate to highest.** Book a visit [What the job involves](https://coffeemachinerepair.center/services/coffee-machine-control-board-repair/) ## Miele coffee machines. Miele coffee systems are serviced at home, with the brew unit lifted out and inspected once the machine has cooled. [Miele coffee machine repair](https://coffeemachinerepair.center/brands/miele/) More Miele codes [F1](https://coffeemachinerepair.center/error-codes/miele-f1/) [F353](https://coffeemachinerepair.center/error-codes/miele-f353/) [F74](https://coffeemachinerepair.center/error-codes/miele-f74/) [F73](https://coffeemachinerepair.center/error-codes/miele-f73/) [F307](https://coffeemachinerepair.center/error-codes/miele-f307/) [Push the water container in until it engages](https://coffeemachinerepair.center/error-codes/miele-push-the-water-container-in-until-it-engages/) [Fill the bean container](https://coffeemachinerepair.center/error-codes/miele-fill-the-bean-container/) [Descale the appliance](https://coffeemachinerepair.center/error-codes/miele-descale-the-appliance/) [Degrease the brew unit](https://coffeemachinerepair.center/error-codes/miele-degrease-the-brew-unit/) Control board and power on other makes [Bosch Fill Tank and Descale symbols flashing together](https://coffeemachinerepair.center/error-codes/bosch-fill-tank-descale-flashing/) [Gaggenau E0510](https://coffeemachinerepair.center/error-codes/gaggenau-e0510/) [Thermador E0510](https://coffeemachinerepair.center/error-codes/thermador-e0510/) [Wolf SELF-DIAGNOSIS](https://coffeemachinerepair.center/error-codes/wolf-self-diagnosis/) [All 12 codes of this kind](https://coffeemachinerepair.center/error-codes/#family-board) Miele builds this ### Built-in coffee system The coffee machine set flush into a tall kitchen cabinet, filled from a water tank behind its front, grinding beans and brewing each cup on its own before sliding out on rails for service. Miele builds this ### Plumbed coffee system The built-in coffee machine connected to the house water supply, filling itself through an inlet valve and sometimes draining its rinse water to a line of its own, so nobody ever lifts out a tank. Miele 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 Miele's own words > The cup-rim sensor is not inserted or is incorrectly inserted. [Miele CVA 7440 built-in coffee system operating and installation instructions (en-US, CA)](https://media.miele.com/downloads/96/93/02_C7F13838CCBF1FE0949A935B385F9693.pdf) [Miele CVA 7440 built-in coffee system operating and installation instructions (en-US, CA)](https://media.miele.com/downloads/96/93/02_C7F13838CCBF1FE0949A935B385F9693.pdf) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Miele CVA 7440 built-in coffee system (tank-fed, M.-Nr. 12 867 300). The cup-rim sensor sits under the central spout; Miele asks for it to be cleaned at least weekly. ## Miele F233 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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Confirm the message with OK. If it comes back, it needs a visit. ### Can I still make coffee on my Miele after F233? Yes. The spout stays in its top position and cup-rim detection is off until the next switch-on, so place a tall enough cup. ### What knocks the cup-rim sensor out of place on a Miele built-in? Miele describes a cup hitting it while the central spout moves up. Removing the cup before the spout rises avoids it. ### Does the Miele cup-rim sensor need cleaning? Miele asks for it to be cleaned at least once a week, more often if soiled. A dirty sensor is worth ruling out before booking. --- **[Read on the site: Miele F233: the cup-rim sensor lost its place](https://coffeemachinerepair.center/error-codes/miele-f233/)** **[Book a visit with CoffeeMachineRepair.center](https://coffeemachinerepair.center/schedule/)**