--- title: "Smeg dishwasher showing E3 | DishwasherRepair.center" description: "What E3 means on Smeg dishwashers, what to check before booking, and when it is not a failure at all." url: "https://dishwasherrepair.center/error-codes/smeg-e3/" --- # Smeg dishwasher showing E3 E3 means the water is not being heated, or the heating is not going as the program expects. ## What E3 actually means. E3 means the water is not being heated, or the heating is not going as the program expects. Smeg dishwasher display What to do when E3 shows on the dishwasher ### Kind of code Heating The water did not reach the temperature the cycle calls for in time. A heating element, its thermal cutoff or the sensor reading it. ### Usually leads to Heating and drying repair Cold washes, wet dishes and cycles that run for hours, traced to the heater, its sensor or its safety cutout. ### Shows up as Dishwasher Not Heating Water Dishes and the tub are cool at the end of the cycle, and grease stays on plates. ### Make Smeg Italian-designed dishwashers in built-in and panel-ready versions, sized for American kitchens. ### Source Smeg dishwasher user manual 19293010200, 6 Troubleshooting (doc.smeg.it PDF, linked from the smeg.com/us page for STU8222) Shown on the Smeg STU8222 family as a set of indicator lights rather than digits, which the troubleshooting table names E3. ## Before you book, in this order. Each step comes from Smeg's own guidance for E3 on its dishwashers. Follow it to the end: the last card says whether this is a visit. 01 Run the same wash program again. 02 Book a visit if E3 comes back. ### Still there? It usually turns into [heating and drying repair](https://dishwasherrepair.center/services/heating-and-drying-repair/). Book with the code and the model number. ### What not to do E3 is a heating code, separate from E4, which concerns the temperature monitoring. ## What you may notice with it. The dishwasher problems E3 tends to arrive with. Answer these at the dishwasher before anyone is booked. [All problems](https://dishwasherrepair.center/problems/) Before you call ### [Dishwasher Not Heating Water](https://dishwasherrepair.center/problems/dishwasher-not-heating/) [All 5 causes, cheapest first](https://dishwasherrepair.center/problems/dishwasher-not-heating/) It also comes with - [**Dishwasher Not Drying Dishes**](https://dishwasherrepair.center/problems/dishwasher-not-drying/) Problem ### Dishwasher Not Heating Water 5 causes, cheapest first Where E3 usually leads ## Heating and drying repair. **Heating element, thermistor or high-limit · moderate.** Book a visit [What the job involves](https://dishwasherrepair.center/services/heating-and-drying-repair/) ## Read these before the visit. Short guides that make the call quicker and the diagnosis cheaper. [All guides](https://dishwasherrepair.center/guides/) Keeping it out of trouble ### Why you should run the hot water before starting a cycle Fitted right the first time ### Water Supply and Hot Water Temperature Error codes ### All 188 codes, by make ## Smeg dishwashers. Italian-designed dishwashers in built-in and panel-ready versions, sized for American kitchens. [Smeg dishwasher repair](https://dishwasherrepair.center/brands/smeg/) More Smeg codes [E1](https://dishwasherrepair.center/error-codes/smeg-e1/) [E2](https://dishwasherrepair.center/error-codes/smeg-e2/) [E4](https://dishwasherrepair.center/error-codes/smeg-e4/) [E5](https://dishwasherrepair.center/error-codes/smeg-e5/) [E6](https://dishwasherrepair.center/error-codes/smeg-e6/) Heating on other makes [ASKO F41](https://dishwasherrepair.center/error-codes/asko-f41/) [Bertazzoni F8](https://dishwasherrepair.center/error-codes/bertazzoni-f8/) [Bosch E09](https://dishwasherrepair.center/error-codes/bosch-e09/) [Dacor HC](https://dishwasherrepair.center/error-codes/dacor-hc/) [Fisher & Paykel A09](https://dishwasherrepair.center/error-codes/fisher-and-paykel-a09/) [Fulgor Milano E3](https://dishwasherrepair.center/error-codes/fulgor-milano-e3/) [Gaggenau E:2060](https://dishwasherrepair.center/error-codes/gaggenau-e2060/) [GE C6](https://dishwasherrepair.center/error-codes/ge-c6/) [All 23 codes of this kind](https://dishwasherrepair.center/error-codes/#family-heating) Smeg builds this ### Built-in dishwasher The standard 24-inch machine under the counter, and the one nearly every American kitchen has. Smeg builds this ### Panel-ready dishwasher Hidden behind a cabinet door, controlled from the top edge, and repaired with the panel's weight in mind. Smeg builds this ### Compact dishwasher The 18-inch and ADA-height machines for small kitchens, where the tight tub changes both loading and repairs. ## In Smeg's own words > The water is not heated or the heating parameters are not correct. [Smeg dishwasher user manual 19293010200, 6 Troubleshooting (doc.smeg.it PDF, linked from the smeg.com/us page for STU8222)](https://doc.smeg.it/qr/19293010200/EN) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Shown on the Smeg STU8222 family as a set of indicator lights rather than digits, which the troubleshooting table names E3. ## Smeg E3 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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Run the same wash program again. If it comes back, it needs a visit. ### What is the first thing to try when my Smeg shows E3? Start the same program over; the code means the water was not heated as the program expected. If the light pattern for E3 appears again, the heating side needs checking. ### Are E3 and E4 the same problem on a Smeg? No, E3 is about the water not being heated properly, while E4 is about how the temperature is monitored. The manual keeps them separate. --- **[Read on the site: Smeg dishwasher showing E3 | DishwasherRepair.center](https://dishwasherrepair.center/error-codes/smeg-e3/)** **[Book a visit with DishwasherRepair.center](https://dishwasherrepair.center/schedule/)**