--- title: "KitchenAid vent hood showing F: the grease filters are due" description: "What F means on KitchenAid vent hoods, what to check before booking, and when it is not a failure at all." url: "https://rangehooderepair.center/error-codes/kitchenaid-f/" --- # KitchenAid vent hood showing F KitchenAid hoods with a letter display keep a running total of fan hours. ## What F actually means. KitchenAid hoods with a letter display keep a running total of fan hours. Once the total passes 30, the display adds an F whenever the fan is on, asking you to wash the metal grease filters. It stays until you clear it by hand, even after the filters are clean. KitchenAid range hood display What to do when F 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 KitchenAid KitchenAid range hoods with a fan that stalls, lamps that stay dark or buttons that do nothing are checked in the kitchen they serve. ### Source KitchenAid Product Help: F - Displayed (vent hoods) KitchenAid's help page gives F and C for its vent hoods without naming models. The KitchenAid 30- and 36-inch under-cabinet guide W10674120 spells the same reminder out as Clean Grease Filter instead. ## Before you book, in this order. Each step comes from KitchenAid's own guidance for F on its range hoods. Follow it to the end: the last card says whether this is a visit. 01 Turn the fan off and let the hood cool, then unlatch and lower the metal grease filters. 02 Wash them in the dishwasher or soak them in hot water with detergent, and let them dry completely before putting them back. 03 Press and hold FAN for 3 seconds; the F should go out. 04 If F comes straight back on the next use, or will not clear at all, book a visit so the control can be checked. ### 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 F does not mean the fan motor or the board has failed, and the hood keeps venting normally while it shows. Seen for 3 seconds right after holding + and - together, the same letter is only confirming that the charcoal reminder was turned off. ## What you may notice with it. The range hood problems F 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 Runs but Barely Pulls Smoke**](https://rangehooderepair.center/problems/range-hood-weak-suction/) - [**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 F 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/) ## KitchenAid range hoods. KitchenAid range hoods with a fan that stalls, lamps that stay dark or buttons that do nothing are checked in the kitchen they serve. [KitchenAid range hood repair](https://rangehooderepair.center/brands/kitchenaid/) More KitchenAid codes [C](https://rangehooderepair.center/error-codes/kitchenaid-c/) [Clean Grease Filter](https://rangehooderepair.center/error-codes/kitchenaid-clean-grease-filter/) [Replace Charcoal Filter](https://rangehooderepair.center/error-codes/kitchenaid-replace-charcoal-filter/) [Auto](https://rangehooderepair.center/error-codes/kitchenaid-auto/) [None](https://rangehooderepair.center/error-codes/kitchenaid-none/) [Able](https://rangehooderepair.center/error-codes/kitchenaid-able/) [Snd](https://rangehooderepair.center/error-codes/kitchenaid-snd/) [Fan icon flashing with 10:00](https://rangehooderepair.center/error-codes/kitchenaid-fan-icon-flashing/) Filter reminders on other makes [Bertazzoni F](https://rangehooderepair.center/error-codes/bertazzoni-f/) [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/) [All 59 codes of this kind](https://rangehooderepair.center/error-codes/#family-filter) KitchenAid 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. KitchenAid 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. KitchenAid 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 KitchenAid's own words > After 30 hours of fan operation, the display will show “F” when the fan is active. [KitchenAid Product Help: F - Displayed (vent hoods)](https://producthelp.kitchenaid.com/Cooking/Ventilation_and_Hoods/Vent_Hoods/Operation/Error_Codes/F_-_Displayed) [KitchenAid Product Help: F - Displayed (vent hoods)](https://producthelp.kitchenaid.com/Cooking/Ventilation_and_Hoods/Vent_Hoods/Operation/Error_Codes/F_-_Displayed) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. KitchenAid's help page gives F and C for its vent hoods without naming models. The KitchenAid 30- and 36-inch under-cabinet guide W10674120 spells the same reminder out as Clean Grease Filter instead. ## KitchenAid F 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 fan off and let the hood cool, then unlatch and lower the metal grease filters. If it comes back, it needs a visit. ### Will my KitchenAid hood stop working if I ignore the F? No, the fan and lights carry on as usual. The risk is the filters themselves: grease that keeps building in the mesh cuts airflow and can drip back onto the cooking surface. ### I washed the filters but the F is still on my KitchenAid hood. Why? The control does not know the filters were cleaned. Hold FAN for 3 seconds with the hood on to clear the count; if the letter will not go out, book a visit. ### Can I machine-wash KitchenAid grease filters? Yes. KitchenAid says the metal filter can go in the dishwasher or into a hot detergent solution, as long as it dries fully before it goes back in. --- **[Read on the site: KitchenAid vent hood showing F: the grease filters are due](https://rangehooderepair.center/error-codes/kitchenaid-f/)** **[Book a visit with RangeHoodeRepair.center](https://rangehooderepair.center/schedule/)**