--- title: "Sirius downdraft with all speed lights flashing together: clean the grease filters" description: "What Speed indicators D all flashing means on Sirius downdraft with all speed lights flashing together: clean the grease filterss, what to check before booking…" url: "https://rangehooderepair.center/error-codes/sirius-speed-leds-flashing-together/" --- # Sirius downdraft with all speed lights flashing together: clean the grease filters Sirius downdrafts track working hours and after 30 flash all their speed LEDs together. ## What Speed indicators D all flashing actually means. Sirius downdrafts track working hours and after 30 flash all their speed LEDs together. On the SU-DD2-L the reset is a press of TIMER with the downdraft fully off and closed; on the SU-DD20 it is a 3-second hold of TIMER with the unit open. Sirius range hood display · also shown as grease filters saturation What to do when Speed indicators D all 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 Sirius Sirius range hoods get a home visit that opens with the question of whether the air leaves the house or comes back through a filter. ### Source Sirius SU-DD2-L and SU-DD3 downdraft manual SU-DD2-L and SU-DD20 downdrafts; the SU-DD20 LEDs are red. ## Before you book, in this order. Each step comes from Sirius's own guidance for Speed indicators D all flashing on its range hoods. Follow it to the end: the last card says whether this is a visit. 01 Raise the unit if needed to reach the filters, then switch the blower off and remove them as the manual shows. 02 Wash and dry the filters and refit them. 03 Reset with the TIMER key as your model requires. 04 If the lights keep flashing or the panel will not rise or close, book a visit. ### 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 One speed light flashing, not all of them, is the 10-minute timer. Buttons blinking while the panel rises and lowers a little is the calibration routine. ## What you may notice with it. The range hood problems Speed indicators D all 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 Runs but Barely Pulls Smoke**](https://rangehooderepair.center/problems/range-hood-weak-suction/) - [**Pop-Up Downdraft Vent Not Rising**](https://rangehooderepair.center/problems/downdraft-vent-not-rising/) Problem ### Reading a Range Hood Error Code or Blinking Light 7 causes, cheapest first Where Speed indicators D all 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/) ## Sirius range hoods. Sirius range hoods get a home visit that opens with the question of whether the air leaves the house or comes back through a filter. [Sirius range hood repair](https://rangehooderepair.center/brands/sirius/) More Sirius codes [All buttons lit](https://rangehooderepair.center/error-codes/sirius-all-buttons-lit/) [LEDs flash 3 times (or 6 times)](https://rangehooderepair.center/error-codes/sirius-leds-flash-3-or-6-times/) [Hood switches off after 4 hours](https://rangehooderepair.center/error-codes/sirius-4-hour-shutoff/) [Motor stops during high-heat cooking](https://rangehooderepair.center/error-codes/sirius-thermal-overload/) [Pushbutton panel blinking during calibration](https://rangehooderepair.center/error-codes/sirius-downdraft-buttons-blinking/) [Speed LED flashing (timer)](https://rangehooderepair.center/error-codes/sirius-speed-led-flashing-timer/) 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 61 codes of this kind](https://rangehooderepair.center/error-codes/#family-filter) Sirius 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. Sirius 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. Sirius 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 Sirius's own words > “D” will all flash simultaneously, signaling the grease filters saturation. [Sirius SU-DD2-L and SU-DD3 downdraft manual](https://www.siriuscappe.com/files/Pdf/Prospettici%20USA/DOWNDRAFT/Manuali/90002020004%20LIBR.%20ISTR.%20SU-DD2-L%20%20SU-DD3-L%20INGLESE%2021%2011%202016%20.pdf) [Sirius SU-DD20 downdraft manual (USA)](https://www.siriuscappe.com/files/Pdf/Prospettici%20USA/DOWNDRAFT/Manuali/90009100200%20LIBR.%20ISTR.%20SU-DD20%20USA%20%2031%2003%202020%20.pdf) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. SU-DD2-L and SU-DD20 downdrafts; the SU-DD20 LEDs are red. ## Sirius Speed indicators D all 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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Raise the unit if needed to reach the filters, then switch the blower off and remove them as the manual shows. If it comes back, it needs a visit. ### How do I reset the filter lights on a Sirius downdraft? Use the TIMER key: a press with the unit off and closed on the SU-DD2-L, or a 3-second hold with it open on the SU-DD20. ### How often does a Sirius downdraft need filter cleaning? After 30 hours of operation. ### Do dirty filters stop a Sirius downdraft from rising? No, the reminder is separate. A panel that will not move needs its own check. --- **[Read on the site: Sirius downdraft with all speed lights flashing together: clean the grease filters](https://rangehooderepair.center/error-codes/sirius-speed-leds-flashing-together/)** **[Book a visit with RangeHoodeRepair.center](https://rangehooderepair.center/schedule/)**