--- title: "Thermador dishwasher showing E18 | DishwasherRepair.center" description: "What E18 means on Thermador dishwashers, what to check before booking, and when it is not a failure at all." url: "https://dishwasherrepair.center/error-codes/thermador-e18/" --- # Thermador dishwasher showing E18 E18 means the Thermador sees too little water in the tub, or the water is not being pumped correctly. ## What E18 actually means. E18 means the Thermador sees too little water in the tub, or the water is not being pumped correctly. Thermador dishwasher display What to do when E18 shows on the dishwasher ### Kind of code Water supply Not enough water arrived, or it arrived too slowly. The supply valve under the sink and the inlet screen are checked before the fill valve itself. ### Usually leads to Fill and water valve repair A dishwasher that will not fill, fills too little, or keeps filling, traced through the valve, the float and the supply. ### Shows up as Dishwasher Not Filling With Water The cycle starts and hums, but little or no water comes into the tub. ### Make Thermador Luxury built-in dishwashers from the BSH family, in stainless and panel-ready versions. ### Source Thermador US support: Dishwasher Error Codes For Thermador dishwashers with two-digit readouts; E3200 is the four-digit code Thermador explains in the same terms. ## Before you book, in this order. Each step comes from Thermador's own guidance for E18 on its dishwashers. Follow it to the end: the last card says whether this is a visit. 01 Confirm the supply valve is open; Thermador wants a flow of about 10 liters per minute. 02 Look over the inlet hose for kinks and damage. 03 Book a visit if both are fine and E18 keeps appearing. ### Still there? It usually turns into [fill and water valve repair](https://dishwasherrepair.center/services/fill-and-water-valve-repair/). Book with the code and the model number. ### What not to do E18 is not a drain problem, even though it involves the water level. ## What you may notice with it. The dishwasher problems E18 tends to arrive with. Answer these at the dishwasher before anyone is booked. [All problems](https://dishwasherrepair.center/problems/) Before you call ### [Dishwasher Not Filling With Water](https://dishwasherrepair.center/problems/dishwasher-not-filling/) [All 5 causes, cheapest first](https://dishwasherrepair.center/problems/dishwasher-not-filling/) It also comes with - [**Dishwasher Cycle Takes Too Long**](https://dishwasherrepair.center/problems/dishwasher-cycle-too-long/) Problem ### Dishwasher Not Filling With Water 5 causes, cheapest first Where E18 usually leads ## Fill and water valve repair. **Water inlet valve or float switch · low.** Book a visit [What the job involves](https://dishwasherrepair.center/services/fill-and-water-valve-repair/) ## Read these before the visit. Short guides that make the call quicker and the diagnosis cheaper. [All guides](https://dishwasherrepair.center/guides/) Fitted right the first time ### Water Supply and Hot Water Temperature Checks you can make yourself ### Five checks before you call for dishwasher repair Error codes ### All 188 codes, by make ## Thermador dishwashers. Luxury built-in dishwashers from the BSH family, in stainless and panel-ready versions. [Thermador dishwasher repair](https://dishwasherrepair.center/brands/thermador/) More Thermador codes [E15](https://dishwasherrepair.center/error-codes/thermador-e15/) [E22](https://dishwasherrepair.center/error-codes/thermador-e22/) [E23](https://dishwasherrepair.center/error-codes/thermador-e23/) [E24](https://dishwasherrepair.center/error-codes/thermador-e24/) [E25](https://dishwasherrepair.center/error-codes/thermador-e25/) [E16](https://dishwasherrepair.center/error-codes/thermador-e16/) [E12](https://dishwasherrepair.center/error-codes/thermador-e12/) [E27](https://dishwasherrepair.center/error-codes/thermador-e27/) [UP](https://dishwasherrepair.center/error-codes/thermador-up/) Water supply on other makes [ASKO F12](https://dishwasherrepair.center/error-codes/asko-f12/) [Bertazzoni FF](https://dishwasherrepair.center/error-codes/bertazzoni-ff/) [Bosch E16](https://dishwasherrepair.center/error-codes/bosch-e16/) [Cove 560186](https://dishwasherrepair.center/error-codes/cove-560186/) [Dacor 4C](https://dishwasherrepair.center/error-codes/dacor-4c/) [Fisher & Paykel A1](https://dishwasherrepair.center/error-codes/fisher-and-paykel-a1/) [Fulgor Milano E2](https://dishwasherrepair.center/error-codes/fulgor-milano-e2/) [Gaggenau E:3200](https://dishwasherrepair.center/error-codes/gaggenau-e3200/) [All 44 codes of this kind](https://dishwasherrepair.center/error-codes/#family-fill) Thermador builds this ### Built-in dishwasher The standard 24-inch machine under the counter, and the one nearly every American kitchen has. Thermador builds this ### Panel-ready dishwasher Hidden behind a cabinet door, controlled from the top edge, and repaired with the panel's weight in mind. Thermador builds this ### Compact dishwasher The 18-inch and ADA-height machines for small kitchens, where the tight tub changes both loading and repairs. ## In Thermador's own words > E18 - The water level is too low, or water is not being pumped correctly. [Thermador US support: Dishwasher Error Codes](https://www.thermador.com/us/support/dishwashers/error-codes) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. For Thermador dishwashers with two-digit readouts; E3200 is the four-digit code Thermador explains in the same terms. ## Thermador E18 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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Confirm the supply valve is open; Thermador wants a flow of about 10 liters per minute. If it comes back, it needs a visit. ### What water flow does a Thermador need to stay clear of E18? Thermador asks for roughly 10 liters per minute at the supply. A partly closed valve or a kinked inlet hose can bring flow below that. ### Is E18 on my Thermador a drain problem? No, E18 is on the fill side: the machine sees a low level or water that is not circulating as it should. The four-digit version is E3200. --- **[Read on the site: Thermador dishwasher showing E18 | DishwasherRepair.center](https://dishwasherrepair.center/error-codes/thermador-e18/)** **[Book a visit with DishwasherRepair.center](https://dishwasherrepair.center/schedule/)**