--- title: "Bertazzoni light B flashing: mesh filters are due on an older KG hood" description: "What Light B flashing means on Bertazzoni light B flashing: mesh filters are due on an older KG hoods, what to check before booking, and when it is not a…" url: "https://rangehooderepair.center/error-codes/bertazzoni-b-light-flashing/" --- # Bertazzoni light B flashing: mesh filters are due on an older KG hood Bertazzoni's US FAQ explains that some KG hoods go into an alarm mode after 40 hours of use. ## What Light B flashing actually means. Bertazzoni's US FAQ explains that some KG hoods go into an alarm mode after 40 hours of use. With the motor off, light B, the first-speed light, flashes to ask for the mesh grease filters to be cleaned. Bertazzoni range hood display · also shown as first speed light flashing What to do when Light B flashing 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 US frequently asked questions Older Bertazzoni KG hoods with speed lights, as described in Bertazzoni's US FAQ. KG hoods with the digital display use F and C letters instead. ## Before you book, in this order. Each step comes from Bertazzoni's own guidance for Light B flashing on its range hoods. Follow it to the end: the last card says whether this is a visit. 01 Take down the mesh filters and wash them. 02 Refit them once dry. 03 With the motor off, press the B and C buttons together to reset the alarm. 04 If light B keeps flashing, book a visit for the keypad. ### 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 Flashing lights on these hoods are a filter reminder and not a sign the lights or the blower are failing. If it is light C flashing instead, the charcoal filters are due. ## What you may notice with it. The range hood problems Light B flashing 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 - [**Range Hood Lights Out or Flickering**](https://rangehooderepair.center/problems/range-hood-lights-not-working/) - [**Grease or Oily Water Dripping From the Range Hood**](https://rangehooderepair.center/problems/range-hood-dripping-grease/) Problem ### Reading a Range Hood Error Code or Blinking Light 7 causes, cheapest first Where Light B flashing 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 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/) [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 > For KG hoods, flashing lights probably mean it is time to clean the filters. [Bertazzoni US frequently asked questions](https://us.bertazzoni.com/more/faq) [Bertazzoni US frequently asked questions](https://us.bertazzoni.com/more/faq) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Older Bertazzoni KG hoods with speed lights, as described in Bertazzoni's US FAQ. KG hoods with the digital display use F and C letters instead. ## Bertazzoni Light B flashing 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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Take down the mesh filters and wash them. If it comes back, it needs a visit. ### Are my Bertazzoni hood lights broken if they flash? On an older KG hood, a flashing speed light usually means the filters are due. Clean them and reset with B and C. ### How often will light B flash on a Bertazzoni KG hood? Every 40 hours of use, according to Bertazzoni's FAQ. ### Why won't my Bertazzoni reset when I press B and C? The reset needs the motor off. Switch the blower off and try again. --- **[Read on the site: Bertazzoni light B flashing: mesh filters are due on an older KG hood](https://rangehooderepair.center/error-codes/bertazzoni-b-light-flashing/)** **[Book a visit with RangeHoodeRepair.center](https://rangehooderepair.center/schedule/)**