--- title: "Bertazzoni A key flashing slowly: KPH grease filters are due" description: "What A key flashing every 2 seconds means on Bertazzoni A key flashing slowly: KPH grease filters are dues, what to check before booking, and when it is not a…" url: "https://rangehooderepair.center/error-codes/bertazzoni-a-slow/" --- # Bertazzoni A key flashing slowly: KPH grease filters are due The KPH hoods use the light key, marked A, as their filter light. ## What A key flashing every 2 seconds actually means. The KPH hoods use the light key, marked A, as their filter light. When it flashes at a slow two-second rhythm, the control is reporting that the metal grease filters have reached their cleaning interval. Bertazzoni range hood display · also shown as slow flashing A key What to do when A key flashing every 2 seconds 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 KPH36XT 36-inch wall hood user and installation manual Bertazzoni KPH36XT, KPH48XT, KPH362XT and KPH482XT wall hoods. ## Before you book, in this order. Each step comes from Bertazzoni's own guidance for A key flashing every 2 seconds on its range hoods. Follow it to the end: the last card says whether this is a visit. 01 Turn the hood off, take down the grease filters and wash them. 02 Refit the dry filters. 03 Hold the A key for about five seconds until it stops flashing. 04 If the key keeps flashing after that, book a visit to check the keypad and board. ### 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 The slow flash is only about grease filters; it does not mean the light has failed even though it is the light key flashing. A fast flash, about twice a second, is the charcoal filter reminder instead. ## What you may notice with it. The range hood problems A key flashing every 2 seconds 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 Lights Out or Flickering**](https://rangehooderepair.center/problems/range-hood-lights-not-working/) Problem ### Reading a Range Hood Error Code or Blinking Light 7 causes, cheapest first Where A key flashing every 2 seconds 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 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 steady](https://rangehooderepair.center/error-codes/bertazzoni-s1/) [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 > When the A key flashes with a 2 second frequency the anti-grease filters must be washed. [Bertazzoni KPH36XT 36-inch wall hood user and installation manual](https://us.bertazzoni.com/downloads/11571/8309/libr.KPH36XT.pdf?act=download) [Bertazzoni KPH36XT 36-inch wall hood user and installation manual](https://us.bertazzoni.com/downloads/11571/8309/libr.KPH36XT.pdf?act=download) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Bertazzoni KPH36XT, KPH48XT, KPH362XT and KPH482XT wall hoods. ## Bertazzoni A key flashing every 2 seconds 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 hood off, take down the grease filters and wash them. If it comes back, it needs a visit. ### Why is the light key blinking on my Bertazzoni KPH hood? On the KPH hoods the light key doubles as the filter reminder. A slow blink means wash the grease filters, a fast one means change the charcoal. ### How do I stop the A key flashing on my Bertazzoni? Clean the filters, put them back, and hold A for about five seconds until the flashing stops. ### Will a Bertazzoni KPH hood stop working if I ignore the flashing A? No, it keeps running, but greasy filters restrict the air and hold grease that can catch fire. --- **[Read on the site: Bertazzoni A key flashing slowly: KPH grease filters are due](https://rangehooderepair.center/error-codes/bertazzoni-a-slow/)** **[Book a visit with RangeHoodeRepair.center](https://rangehooderepair.center/schedule/)**