--- title: "Bertazzoni S1 steady: KMC grease filters are due" description: "What S1 steady means on Bertazzoni S1 steady: KMC grease filters are dues, what to check before booking, and when it is not a failure at all." url: "https://rangehooderepair.center/error-codes/bertazzoni-s1/" --- # Bertazzoni S1 steady: KMC grease filters are due The KMC canopy hoods keep a running total of blower time. ## What S1 steady actually means. The KMC canopy hoods keep a running total of blower time. After 100 working hours the S1 light comes on and stays on, asking for the metal grease filters to be cleaned. Bertazzoni range hood display · also shown as S1 LED on What to do when S1 steady shows on the range hood ### Kind of code Filter reminders The hood has counted enough hours of fan time to ask for its filters: the mesh or baffle grease filters want a wash, or on a recirculating hood the charcoal filters want replacing. Most hoods count hours rather than measure grease, so the light comes on whether the filters are clean or not, and it stays on until it is reset with the key the manual names. A reminder that returns straight after a reset, or a hood that still pulls weakly with fresh filters, is worth a visit. ### Usually leads to Range hood filter and baffle service Cleaning or replacing what catches grease and odor: mesh and baffle filters, charcoal pads on recirculating hoods, and the grease channel. ### Shows up as Reading a Range Hood Error Code or Blinking Light A range hood error code may appear as letters and numbers on a display, a light that blinks in a pattern, a filter reminder that will not clear, or a beep with the fan refusing to start. ### Make Bertazzoni A Bertazzoni range hood that has stopped pulling steam is inspected in your kitchen, beginning with the rating label hidden behind its grease filters. ### Source Bertazzoni KMC30X 30-inch canopy hood installation, use and care manual Bertazzoni KMC30X, KMC36X and KMC48X canopy hoods. ## Before you book, in this order. Each step comes from Bertazzoni's own guidance for S1 steady on its range hoods. Follow it to the end: the last card says whether this is a visit. 01 Turn the lights and the blower off. 02 Take down the grease filters, wash them and let them dry before refitting. 03 Hold T3 for about three seconds until S1 flashes three times to confirm the reset. 04 If S1 comes back on right away, book a visit to check the keypad and control. ### Still there? It usually turns into [range hood filter and baffle service](https://rangehooderepair.center/services/range-hood-filter-and-baffle-service/). Book with the code and the model number. ### What not to do A steady S1 does not mean the blower is failing; it is a timed cleaning reminder. A flashing S1 is a different message, about the charcoal filter. ## What you may notice with it. The range hood problems S1 steady tends to arrive with. Answer these at the range hood before anyone is booked. [All problems](https://rangehooderepair.center/problems/) Before you call ### [Reading a Range Hood Error Code or Blinking Light](https://rangehooderepair.center/problems/range-hood-error-code/) [All 7 causes, cheapest first](https://rangehooderepair.center/problems/range-hood-error-code/) It also comes with - [**Grease or Oily Water Dripping From the Range Hood**](https://rangehooderepair.center/problems/range-hood-dripping-grease/) - [**Range Hood Runs but Barely Pulls Smoke**](https://rangehooderepair.center/problems/range-hood-weak-suction/) Problem ### Reading a Range Hood Error Code or Blinking Light 7 causes, cheapest first Where S1 steady usually leads ## Range hood filter and baffle service. **Mesh or baffle filters, charcoal pads and the grease channel · lowest.** Book a visit [What the job involves](https://rangehooderepair.center/services/range-hood-filter-and-baffle-service/) ## Bertazzoni range hoods. A Bertazzoni range hood that has stopped pulling steam is inspected in your kitchen, beginning with the rating label hidden behind its grease filters. [Bertazzoni range hood repair](https://rangehooderepair.center/brands/bertazzoni/) More Bertazzoni codes [F](https://rangehooderepair.center/error-codes/bertazzoni-f/) [C F](https://rangehooderepair.center/error-codes/bertazzoni-c-f/) [C](https://rangehooderepair.center/error-codes/bertazzoni-c/) [4](https://rangehooderepair.center/error-codes/bertazzoni-4/) [A key flashing every 2 seconds](https://rangehooderepair.center/error-codes/bertazzoni-a-slow/) [A key flashing every 0.5 seconds](https://rangehooderepair.center/error-codes/bertazzoni-a-fast/) [F and C keys flashing](https://rangehooderepair.center/error-codes/bertazzoni-f-c-keys/) [S1 flashing](https://rangehooderepair.center/error-codes/bertazzoni-s1-flashing/) [T4 flashing](https://rangehooderepair.center/error-codes/bertazzoni-t4-flashing/) [T2 flashing](https://rangehooderepair.center/error-codes/bertazzoni-t2-flashing/) [T1 flashing](https://rangehooderepair.center/error-codes/bertazzoni-t1-flashing/) [Light B flashing](https://rangehooderepair.center/error-codes/bertazzoni-b-light-flashing/) [All 14 Bertazzoni codes](https://rangehooderepair.center/error-codes/#codes-bertazzoni) Filter reminders on other makes [BEST Fan LED bar flashes slowly for 30 seconds after the fan is turned off](https://rangehooderepair.center/error-codes/best-fan-led-bar-flashing-after-off/) [BlueStar Timer icon blinking, blower off](https://rangehooderepair.center/error-codes/bluestar-timer-icon-fan-off/) [Bosch clean grease filter](https://rangehooderepair.center/error-codes/bosch-clean-grease-filter/) [Dacor Low button blinking](https://rangehooderepair.center/error-codes/dacor-low-button-blinking/) [Elica Grease Filter](https://rangehooderepair.center/error-codes/elica-grease-filter/) [Faber Filter alarm LED on (steady)](https://rangehooderepair.center/error-codes/faber-filter-alarm-led-on/) [Falmec Red LED steady on with the fan off](https://rangehooderepair.center/error-codes/falmec-red-led-steady/) [Fisher & Paykel Filter button lit](https://rangehooderepair.center/error-codes/fisher-and-paykel-filter-button-lit/) [All 55 codes of this kind](https://rangehooderepair.center/error-codes/#family-filter) Bertazzoni builds this ### Wall-mount range hood The chimney hood fixed to a bare stretch of wall above the burners, its canopy catching the rising smoke while a telescoping cover hides the duct that climbs to the ceiling. Bertazzoni builds this ### Under-cabinet range hood The slim hood screwed to the bottom of the wall cabinet over the burners, venting up through that cabinet or back through the wall, or cleaning the air and returning it to the room. Bertazzoni builds this ### Island range hood The hood that hangs from the ceiling over burners set into a kitchen island, open on all four sides, with its duct and wiring hidden inside a chimney that drops from above. ## In Bertazzoni's own words > The alarm is triggered after the Hood has been in operation for 100 working hours. [Bertazzoni KMC30X 30-inch canopy hood installation, use and care manual](https://us.bertazzoni.com/downloads/7977/4374/libr.KMC30X.pdf?act=download) [Bertazzoni KMC30X 30-inch canopy hood installation, use and care manual](https://us.bertazzoni.com/downloads/7977/4374/libr.KMC30X.pdf?act=download) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Bertazzoni KMC30X, KMC36X and KMC48X canopy hoods. ## Bertazzoni S1 steady range hood 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 lights and the blower off. If it comes back, it needs a visit. ### Why won't the S1 reset on my Bertazzoni canopy hood? The reset only works with the lights and blower off. Turn both off, then hold T3 for three seconds. ### How often should I wash the filters on a Bertazzoni KMC? Whenever S1 comes on, and at least every two months of use by Bertazzoni's schedule. ### Can the filters from a Bertazzoni KMC go through a machine wash? Yes, the KMC manual allows the dishwasher. Let them dry fully before putting them back. --- **[Read on the site: Bertazzoni S1 steady: KMC grease filters are due](https://rangehooderepair.center/error-codes/bertazzoni-s1/)** **[Book a visit with RangeHoodeRepair.center](https://rangehooderepair.center/schedule/)**