--- title: "Miele Professional Waterproof message: the dish machine's leak protection has tripped" description: "What Waterproof means on Miele Professional Waterproof message: the dish machine's leak protection has trippeds, what to check before booking, and when it is…" url: "https://commercialappliancerepair.center/error-codes/miele-professional-waterproof/" --- # Miele Professional Waterproof message: the dish machine's leak protection has tripped Miele's Waterproof system watches for water where it should not be and shuts off the supply when it finds it. ## What Waterproof actually means. Miele's Waterproof system watches for water where it should not be and shuts off the supply when it finds it. When it reacts, the alarm sounds and the display shows Waterproof. The owner steps are to shut down and close the faucet; the rest is service work. Miele Professional commercial appliance display · also shown as Waterproof system What to do when Waterproof shows on the commercial appliance ### Kind of code Water, fill and drain Water is not arriving, not reaching its level, not heating or not leaving on time. A dish machine may be short of fill because a supply valve is half closed or its line strainer is clogged, it may drain slowly through a scrap basket full of debris, or its booster may be too scaled to heat the rinse; a combi's steam generator may be scaled or its water treatment exhausted; a washer-extractor may time out on a slow drain. Opening the supply valve, cleaning strainers with the unit off and checking the drain line are fair; a pump, a fill valve, a heater or a leak near wiring is a visit. ### Usually leads to Dish machine repair Undercounter, door-type and conveyor dish machines: tank heaters, boosters, wash pumps, fill and drain valves. ### Shows up as Commercial Appliance Error Code on a Combi, Fryer, Dish Machine or Laundry Display A commercial appliance error code appears as letters or numbers on a combi, fryer, reach-in controller, dish machine or laundry machine display, or as a flashing light or an alarm tone. ### Make Miele Professional Miele Professional machines in a small business laundry are usually visited at the start of the day, before the first full load. ### Source Miele Professional PFD 101 U / PFD 102i commercial dish machine operating instructions, en-US (media.miele.com) Miele Professional PFD 101 U built-under and PFD 102 i integrated commercial dish machines (en-US operating instructions); the PFD 401 U and PFD 404 U fresh-water machines are sold alongside them. ## Before you book, in this order. Each step comes from Miele Professional's own guidance for Waterproof on its commercial appliances. Follow it to the end: the last card says whether this is a visit. 01 Turn the machine off and close the water faucet. 02 If water has reached the floor near outlets or the machine's power connection, keep people clear and switch off its breaker from a dry panel. 03 Book a visit so the source of the leak and the Waterproof system can be checked. ### Still there? It usually turns into [dish machine repair](https://commercialappliancerepair.center/services/dish-machine-repair/). Book with the code and the model number. ### What not to do Waterproof is a leak signal, not a drain problem; water left inside the cabinet shows Drain instead. It does not clear by switching off and on, because the cause is still there. ## What you may notice with it. The commercial appliance problems Waterproof tends to arrive with. Answer these at the commercial appliance before anyone is booked. [All problems](https://commercialappliancerepair.center/problems/) Before you call ### [Commercial Appliance Error Code on a Combi, Fryer, Dish Machine or Laundry Display](https://commercialappliancerepair.center/problems/commercial-error-code/) [All 8 causes, cheapest first](https://commercialappliancerepair.center/problems/commercial-error-code/) It also comes with - [**Water on the Commercial Kitchen Floor Near Equipment and Outlets**](https://commercialappliancerepair.center/problems/commercial-water-on-the-floor/) Problem ### Commercial Appliance Error Code on a Combi, Fryer, Dish Machine or Laundry Display 8 causes, cheapest first Where Waterproof usually leads ## Dish machine repair. **Dish machine tank heater or booster element, thermostat, fill valve, float switch, drain valve, wash pump seal or motor, conveyor drive · moderate.** Book a visit [What the job involves](https://commercialappliancerepair.center/services/dish-machine-repair/) ## Miele Professional commercial appliances. Miele Professional machines in a small business laundry are usually visited at the start of the day, before the first full load. [Miele Professional commercial appliance repair](https://commercialappliancerepair.center/brands/miele-professional/) More Miele Professional codes [F78](https://commercialappliancerepair.center/error-codes/miele-professional-f78/) [F33](https://commercialappliancerepair.center/error-codes/miele-professional-f33/) [F18](https://commercialappliancerepair.center/error-codes/miele-professional-f18/) [Intake](https://commercialappliancerepair.center/error-codes/miele-professional-intake/) [Drain](https://commercialappliancerepair.center/error-codes/miele-professional-drain/) [Drainage fault](https://commercialappliancerepair.center/error-codes/miele-professional-pwm-drain-filter-message/) [Water intake fault](https://commercialappliancerepair.center/error-codes/miele-professional-pwm-water-intake-message/) [Waterproof system activated](https://commercialappliancerepair.center/error-codes/miele-professional-pwm-waterproof-system-activated/) [Disinfection temperature not reached](https://commercialappliancerepair.center/error-codes/miele-professional-pwm-disinfection-temperature-not-reached/) [Door will not lock](https://commercialappliancerepair.center/error-codes/miele-professional-pwm-door-will-not-lock/) [Cooling down](https://commercialappliancerepair.center/error-codes/miele-professional-pwm-cooling-down/) [Align the machine](https://commercialappliancerepair.center/error-codes/miele-professional-pwm-align-the-machine/) [All 15 Miele Professional codes](https://commercialappliancerepair.center/error-codes/#codes-miele-professional) Water, fill and drain on other makes [Alto-Shaam E01](https://commercialappliancerepair.center/error-codes/alto-shaam-e01/) [Blodgett Water Level Error](https://commercialappliancerepair.center/error-codes/blodgett-water-level-error/) [Cleveland LOW WATER light](https://commercialappliancerepair.center/error-codes/cleveland-low-water-light/) [Dexter F2](https://commercialappliancerepair.center/error-codes/dexter-f2/) [Frymaster E33](https://commercialappliancerepair.center/error-codes/frymaster-e33/) [Hatco LO H2O](https://commercialappliancerepair.center/error-codes/hatco-lo-h2o/) [Hobart 019](https://commercialappliancerepair.center/error-codes/hobart-019/) [Pitco DRAINING TURN OFF](https://commercialappliancerepair.center/error-codes/pitco-draining-turn-off/) [All 41 codes of this kind](https://commercialappliancerepair.center/error-codes/#family-water) Miele Professional builds this ### Commercial dish machines Undercounter, door-type and conveyor dish machines with their booster heaters and chemical feeds, the warewashing station that washes and sanitizes every rack before it goes back on the line. Miele Professional builds this ### Commercial laundry equipment Coin, card and app-paid front-load machines, washer-extractors, stacked units and tumble dryers in laundromats, multi-housing laundry rooms, hotels, gyms and on-premise laundries. ## In Miele Professional's own words > The Waterproof system has reacted. [Miele Professional PFD 101 U / PFD 102i commercial dish machine operating instructions, en-US (media.miele.com)](https://media.miele.com/downloads/87/fc/01_C7F128282F3C1EEF9CB9FAB03BEC87FC.pdf) [Miele Professional PFD 101 U / PFD 102i commercial dish machine operating instructions, en-US (media.miele.com)](https://media.miele.com/downloads/87/fc/01_C7F128282F3C1EEF9CB9FAB03BEC87FC.pdf) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Miele Professional PFD 101 U built-under and PFD 102 i integrated commercial dish machines (en-US operating instructions); the PFD 401 U and PFD 404 U fresh-water machines are sold alongside them. ## Miele Professional Waterproof commercial appliance 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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Turn the machine off and close the water faucet. If it comes back, it needs a visit. ### What should we do first when a Miele Professional shows Waterproof? Turn the machine off and close its water faucet. If water is on the floor near power, keep people away and cut the breaker from a dry panel. ### Can we reset Waterproof and keep washing? Miele gives no owner reset. The system reacted to water in the wrong place, so a technician has to find the leak first. ### Is the Waterproof message urgent in a restaurant? Yes. Water on a kitchen floor is a slip and electrical risk, and the machine cannot run until the leak is found. --- **[Read on the site: Miele Professional Waterproof message: the dish machine's leak protection has tripped](https://commercialappliancerepair.center/error-codes/miele-professional-waterproof/)** **[Book a visit with CommercialApplianceRepair.center](https://commercialappliancerepair.center/schedule/)**