--- title: "Smeg CLEANING PLEASE WAIT: the built-in is flushing its own circuit" description: "What CLEANING PLEASE WAIT means on Smeg CLEANING PLEASE WAIT: the built-in is flushing its own circuits, what to check before booking, and when it is not a…" url: "https://coffeemachinerepair.center/error-codes/smeg-cleaning-please-wait/" --- # Smeg CLEANING PLEASE WAIT: the built-in is flushing its own circuit Smeg's built-ins check their internal water and coffee path. ## What CLEANING PLEASE WAIT actually means. Smeg's built-ins check their internal water and coffee path. When they detect impurities, they pause drinks and show CLEANING PLEASE WAIT while they clear it. Smeg coffee machine display · also shown as CLEANING IN PROGRESS What to do when CLEANING PLEASE WAIT 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 Leave a cup under the spouts and let the machine finish. ### 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 Smeg A Smeg espresso machine is repaired at the owner's kitchen counter after a single test shot shows where the trouble begins. ### Source Smeg automatic built-in coffee machine instruction manual (linked from the US CMSU4303X, CMSU4104S and CMSU2104G pages) Smeg US built-in automatic coffee machines CMSU4303X (Classic, listed as retiring), CMSU4104S and CMSU2104G (Linea). All three link the same instruction manual, and the message appears on the full-touch display in capitals. ## Before you book, in this order. Each step comes from Smeg's own guidance for CLEANING PLEASE WAIT on its coffee machines. Follow it to the end: the last card says whether this is a visit. 01 Leave a cup under the spouts and let the machine finish. 02 When the home screen returns, choose your drink again. 03 If the message comes back drink after drink, book a visit. ### 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 message is the machine looking after itself, not an error. It is different from the GENERAL ALARM case for a dirty interior, which asks you to clean by hand. ## What you may notice with it. The coffee machine problems CLEANING PLEASE WAIT 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 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/) ## Smeg coffee machines. A Smeg espresso machine is repaired at the owner's kitchen counter after a single test shot shows where the trouble begins. [Smeg coffee machine repair](https://coffeemachinerepair.center/brands/smeg/) More Smeg codes [FILL WATER TANK WITH FRESH WATER](https://coffeemachinerepair.center/error-codes/smeg-fill-water-tank-with-fresh-water/) [EMPTY GROUND CONTAINER](https://coffeemachinerepair.center/error-codes/smeg-empty-ground-container/) [GROUND TOO FINE. ADJUST GRIND LEVEL 1 CLICK WHILE IN OPERATION](https://coffeemachinerepair.center/error-codes/smeg-ground-too-fine/) [INSERT BREWING UNIT](https://coffeemachinerepair.center/error-codes/smeg-insert-brewing-unit/) [WATER CIRCUIT EMPTY PRESS OK TO START FILLING PROCESS](https://coffeemachinerepair.center/error-codes/smeg-water-circuit-empty/) [DESCALING NEEDED PRESS OK TO START (~45MIN)](https://coffeemachinerepair.center/error-codes/smeg-descaling-needed/) [GENERAL ALARM: REFER TO USER MANUAL](https://coffeemachinerepair.center/error-codes/smeg-general-alarm/) [TURN THE MILK FROTH ADJUSTMENT KNOB TO START CLEANING](https://coffeemachinerepair.center/error-codes/smeg-turn-milk-froth-knob-to-clean/) [LED 30](https://coffeemachinerepair.center/error-codes/smeg-led-30/) [LED 31](https://coffeemachinerepair.center/error-codes/smeg-led-31/) [LED 29](https://coffeemachinerepair.center/error-codes/smeg-led-29/) [All buttons flash simultaneously](https://coffeemachinerepair.center/error-codes/smeg-all-buttons-flash/) [All 15 Smeg codes](https://coffeemachinerepair.center/error-codes/#codes-smeg) 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/) [Jura Too hot](https://coffeemachinerepair.center/error-codes/jura-too-hot/) [Miele Descale the appliance](https://coffeemachinerepair.center/error-codes/miele-descale-the-appliance/) [All 23 codes of this kind](https://coffeemachinerepair.center/error-codes/#family-mode) Smeg 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. Smeg 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. Smeg builds this ### Manual espresso machine The home espresso machine with a portafilter you fill and lock in by hand, a pump and a boiler or thermoblock inside, and a steam wand for milk you froth yourself. ## In Smeg's own words > The appliance has detected impurities in its internal circuits. [Smeg automatic built-in coffee machine instruction manual (linked from the US CMSU4303X, CMSU4104S and CMSU2104G pages)](https://doc.smeg.it/qr/914779197/EN) [Smeg automatic built-in coffee machine instruction manual (linked from the US CMSU4303X, CMSU4104S and CMSU2104G pages)](https://doc.smeg.it/qr/914779197/EN) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Smeg US built-in automatic coffee machines CMSU4303X (Classic, listed as retiring), CMSU4104S and CMSU2104G (Linea). All three link the same instruction manual, and the message appears on the full-touch display in capitals. ## Smeg CLEANING PLEASE WAIT 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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Leave a cup under the spouts and let the machine finish. ### How long does CLEANING PLEASE WAIT last on a Smeg? Smeg gives no fixed time. It ends once the pass is complete, and the home screen returns. ### Why won't my Smeg make coffee during CLEANING PLEASE WAIT? It holds drinks until the internal circuit is clear, so the next cup does not carry residue. ### Is CLEANING PLEASE WAIT on a Smeg ever a reason for a visit? When it keeps returning. Smeg sends owners to service if the problem persists. --- **[Read on the site: Smeg CLEANING PLEASE WAIT: the built-in is flushing its own circuit](https://coffeemachinerepair.center/error-codes/smeg-cleaning-please-wait/)** **[Book a visit with CoffeeMachineRepair.center](https://coffeemachinerepair.center/schedule/)**