--- title: "Bosch dishwasher showing E09 | DishwasherRepair.center" description: "What E09 means on Bosch dishwashers, what to check before booking, and when it is not a failure at all." url: "https://dishwasherrepair.center/error-codes/bosch-e09/" --- # Bosch dishwasher showing E09 E09 says the heater inside Bosch's heat pump has reported an error, so the wash water may not be heated. ## What E09 actually means. E09 says the heater inside Bosch's heat pump has reported an error, so the wash water may not be heated. Bosch dishwasher display What to do when E09 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 Bosch Quiet 24-inch built-in dishwashers that are among the most common in American kitchens. ### Source Bosch US owner support: Dishwasher Error Codes Bosch dishwashers that show two-digit codes. Bosch's page gives E20, E2030 and E6001 the same heater description. ## Before you book, in this order. Each step comes from Bosch's own guidance for E09 on its dishwashers. Follow it to the end: the last card says whether this is a visit. 01 Switch the dishwasher off at the breaker for 30 seconds, then back on. 02 Run a short program and watch whether E09 returns. 03 If it does, book a visit so the heater circuit can be tested. ### 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 E09 is not the limescale message. Scale in the heat pump has its own code, E12, which descaling usually clears. ## What you may notice with it. The dishwasher problems E09 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 E09 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 ## Bosch dishwashers. Quiet 24-inch built-in dishwashers that are among the most common in American kitchens. [Bosch dishwasher repair](https://dishwasherrepair.center/brands/bosch/) More Bosch codes [E15](https://dishwasherrepair.center/error-codes/bosch-e15/) [E24](https://dishwasherrepair.center/error-codes/bosch-e24/) [E25](https://dishwasherrepair.center/error-codes/bosch-e25/) [E22](https://dishwasherrepair.center/error-codes/bosch-e22/) [E23](https://dishwasherrepair.center/error-codes/bosch-e23/) [E16](https://dishwasherrepair.center/error-codes/bosch-e16/) [E18](https://dishwasherrepair.center/error-codes/bosch-e18/) [E14](https://dishwasherrepair.center/error-codes/bosch-e14/) [E27](https://dishwasherrepair.center/error-codes/bosch-e27/) Heating on other makes [ASKO F41](https://dishwasherrepair.center/error-codes/asko-f41/) [Bertazzoni F8](https://dishwasherrepair.center/error-codes/bertazzoni-f8/) [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/) [Kenmore F7E1](https://dishwasherrepair.center/error-codes/kenmore-f7e1-he/) [All 23 codes of this kind](https://dishwasherrepair.center/error-codes/#family-heating) Bosch builds this ### Built-in dishwasher The standard 24-inch machine under the counter, and the one nearly every American kitchen has. Bosch builds this ### Panel-ready dishwasher Hidden behind a cabinet door, controlled from the top edge, and repaired with the panel's weight in mind. Bosch builds this ### Compact dishwasher The 18-inch and ADA-height machines for small kitchens, where the tight tub changes both loading and repairs. ## In Bosch's own words > There is a heat pump internal heater fault/error. [Bosch US owner support: Dishwasher Error Codes](https://www.bosch-home.com/us/owner-support/error-codes/dishwashers) [Bosch US owner support: Dishwasher Error Codes](https://www.bosch-home.com/us/owner-support/error-codes/dishwashers) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Bosch dishwashers that show two-digit codes. Bosch's page gives E20, E2030 and E6001 the same heater description. ## Bosch E09 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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Switch the dishwasher off at the breaker for 30 seconds, then back on. If it comes back, it needs a visit. ### Will a breaker reset clear Bosch E09? Bosch suggests cutting power at the breaker for 30 seconds as the first step. If a short program afterwards brings E09 back, the heater circuit needs testing. ### Is Bosch E09 caused by limescale? No, Bosch reserves E12 for limescale, and descaling is how that one is usually cleared. E09 reports an internal heater error in the heat pump. --- **[Read on the site: Bosch dishwasher showing E09 | DishwasherRepair.center](https://dishwasherrepair.center/error-codes/bosch-e09/)** **[Book a visit with DishwasherRepair.center](https://dishwasherrepair.center/schedule/)**