--- title: "Bertazzoni steam oven showing -L0- | OvenRepair.center" description: "What -L0- means on Bertazzoni steam ovens, what to check before booking, and when it is not a failure at all." url: "https://ovenrepair.center/error-codes/bertazzoni-l0/" --- # Bertazzoni steam oven showing -L0- -L0- is the lowest of the tank levels on the Bertazzoni convection steam oven, between 0 and 20 percent. ## What -L0- actually means. -L0- is the lowest of the tank levels on the Bertazzoni convection steam oven, between 0 and 20 percent. During cooking it is the prompt to refill. Bertazzoni oven display What to do when -L0- shows on the oven ### Kind of code Steam and water The steam oven found its water tank empty, its supply short, or its steam generator slowed by scale. Refilling and seating the tank and running the descaling program come first; a pump, a level sensor or the generator is looked at only after that. ### Usually leads to Steam system repair A steam or combi-steam oven that makes no steam, weak steam or asks for water it already has, traced to scale, the pump, the generator or the tank sensor. ### Shows up as Oven Error Code The oven shows letters and numbers, beeps, and stops a cycle or refuses to start one. ### Make Bertazzoni A family-run Italian company from Guastalla that sells electric built-in wall ovens in several design series. ### Source Bertazzoni MAST30CSEX / PROF30CSEX convection steam oven instruction manual (us.bertazzoni.com) From the MAST30CSEX / PROF30CSEX instruction manual, Water level indication section. ## Before you book, in this order. Each step comes from Bertazzoni's own guidance for -L0- on its ovens. Follow it to the end: the last card says whether this is a visit. 01 Take the water tank fully out. 02 Refill it with cold drinking water, to no more than 2 cups while the oven is working. 03 Wait about 20 seconds before putting the full tank back. ### Still there? It usually turns into [steam system repair](https://ovenrepair.center/services/steam-system-repair/). Book with the code and the model number. ### What not to do -L0- is not a problem with the oven, just the water level. ## What you may notice with it. The oven problem -L0- tends to arrive with. Answer these at the oven before anyone is booked. [All problems](https://ovenrepair.center/problems/) Before you call ### [Oven Error Code](https://ovenrepair.center/problems/oven-error-code/) [All 6 causes, cheapest first](https://ovenrepair.center/problems/oven-error-code/) Problem ### Oven Error Code 6 causes, cheapest first Where -L0- usually leads ## Steam system repair. **Steam generator, pump or tank sensor · moderate.** Book a visit [What the job involves](https://ovenrepair.center/services/steam-system-repair/) ## Bertazzoni ovens. A family-run Italian company from Guastalla that sells electric built-in wall ovens in several design series. [Bertazzoni oven repair](https://ovenrepair.center/brands/bertazzoni/) More Bertazzoni codes [Err_](https://ovenrepair.center/error-codes/bertazzoni-err/) [rES](https://ovenrepair.center/error-codes/bertazzoni-res/) [DEP](https://ovenrepair.center/error-codes/bertazzoni-dep/) [Showroom mode](https://ovenrepair.center/error-codes/bertazzoni-showroom-mode/) Steam and water on other makes [Dacor C-70](https://ovenrepair.center/error-codes/dacor-c-70/) [Gaggenau E182](https://ovenrepair.center/error-codes/gaggenau-e182/) [JennAir F7 E0](https://ovenrepair.center/error-codes/jennair-f7e0/) [KitchenAid F7 E0](https://ovenrepair.center/error-codes/kitchenaid-f7-e0/) [Miele F10](https://ovenrepair.center/error-codes/miele-f10/) [Samsung C-70](https://ovenrepair.center/error-codes/samsung-c-70/) [Viking DESCALE NOW](https://ovenrepair.center/error-codes/viking-descale-now/) [Wolf E67](https://ovenrepair.center/error-codes/wolf-e67/) [All 18 codes of this kind](https://ovenrepair.center/error-codes/#family-steam) Bertazzoni builds this ### Single wall oven One oven cavity set into a cabinet at chest height, with its own controls above the door and nothing to cook on above it. Bertazzoni builds this ### Double wall oven Two full oven cavities stacked in one tall cabinet, sharing one control panel and one power supply but heating on their own. Bertazzoni builds this ### Steam oven A built-in oven that adds water vapor to the cavity, alone or with convection heat, fed from a tank or a water line. ## In Bertazzoni's own words > is signalled by the message “- L0 -” meaning that the water tank is empty. [Bertazzoni MAST30CSEX / PROF30CSEX convection steam oven instruction manual (us.bertazzoni.com)](https://us.bertazzoni.com/downloads/8612/6008/PROF30CSEX%20Installation,%20Use%20&%20Care%20Manual.pdf?act=download) [Bertazzoni MAST30CSEX / PROF30CSEX convection steam oven instruction manual (us.bertazzoni.com)](https://us.bertazzoni.com/downloads/8612/6008/PROF30CSEX%20Installation,%20Use%20&%20Care%20Manual.pdf?act=download) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. From the MAST30CSEX / PROF30CSEX instruction manual, Water level indication section. ## Bertazzoni -L0- oven 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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Take the water tank fully out. If it comes back, it needs a visit. ### Why only 2 cups when refilling my Bertazzoni mid-cook? Bertazzoni sets that limit during cooking so water pumped back to the tank does not overflow. ### How long does a full tank last on the Bertazzoni steam oven? The manual says one tank normally lasts a cooking session of 50 to 60 minutes. --- **[Read on the site: Bertazzoni steam oven showing -L0- | OvenRepair.center](https://ovenrepair.center/error-codes/bertazzoni-l0/)** **[Book a visit with OvenRepair.center](https://ovenrepair.center/schedule/)**