--- title: "Sirius downdraft buttons blinking as the panel moves: self-calibration" description: "What Pushbutton panel blinking during calibration means on Sirius downdraft buttons blinking as the panel moves: self-calibrations, what to check before…" url: "https://rangehooderepair.center/error-codes/sirius-downdraft-buttons-blinking/" --- # Sirius downdraft buttons blinking as the panel moves: self-calibration Sirius downdrafts calibrate the movement of the extraction panel. ## What Pushbutton panel blinking during calibration actually means. Sirius downdrafts calibrate the movement of the extraction panel. The SU-DD3 does it after installation, with the buttons blinking until the panel returns to its position; the SU-DD2-L recalibrates by itself every three full cycles, and six quick TIMER presses flash all the LEDs and reset that calibration. Sirius range hood display · also shown as all the leds flash (calibration reset) What to do when Pushbutton panel blinking during calibration shows on the range hood ### Kind of code Damper and downdraft Something along the path of the air has stopped moving as it should: a motorized backdraft damper that no longer opens when the fan starts, one that sticks open and lets cold air or rain in, or on a downdraft the lift motor and its limit switches that raise the vent behind the burners. A damper taped shut since installation or a pan handle dropped into a downdraft slot can bring on the same code, so the easy checks come first. ### Usually leads to Range hood damper and duct repair Getting the air out of the house: the backdraft damper, the duct and its joints, the wall or roof cap, and make-up air in a tight house. ### 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-DD3 and SU-DD2-L downdrafts. ## Before you book, in this order. Each step comes from Sirius's own guidance for Pushbutton panel blinking during calibration on its range hoods. Follow it to the end: the last card says whether this is a visit. 01 Wait until the panel stops moving and the buttons stop blinking before using it. 02 Keep pans and utensils clear of the panel path. 03 If the panel stops partway or keeps reversing, clear anything in its path and book a visit if it continues. ### Still there? It usually turns into [range hood damper and duct repair](https://rangehooderepair.center/services/range-hood-damper-and-duct-repair/). Book with the code and the model number. ### What not to do Blinking during calibration is not the filter reminder, which flashes all the speed LEDs with the panel at rest. A panel that rises again when closing has met an obstacle and triggered its safety stop. ## What you may notice with it. The range hood problems Pushbutton panel blinking during calibration 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 - [**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 Pushbutton panel blinking during calibration usually leads ## Range hood damper and duct repair. **Backdraft damper, duct joints or the outside cap flap · low to moderate.** Book a visit [What the job involves](https://rangehooderepair.center/services/range-hood-damper-and-duct-repair/) ## 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/) [Speed indicators D all flashing](https://rangehooderepair.center/error-codes/sirius-speed-leds-flashing-together/) [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/) [Speed LED flashing (timer)](https://rangehooderepair.center/error-codes/sirius-speed-led-flashing-timer/) Damper and downdraft on other makes [BEST Calibration button light blinks continuously](https://rangehooderepair.center/error-codes/best-calibration-light-blinking/) 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 > During this phase, the buttons on the pushbutton control panel blink. [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-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-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) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. SU-DD3 and SU-DD2-L downdrafts. ## Sirius Pushbutton panel blinking during calibration 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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Wait until the panel stops moving and the buttons stop blinking before using it. If it comes back, it needs a visit. ### Why does my Sirius downdraft move up and down by itself? It is recalibrating its travel, which the SU-DD2-L does every three full cycles. ### Why did my Sirius downdraft reopen while closing? Its safety system stops and raises the panel when it meets an obstacle. ### How do I reset calibration on a Sirius SU-DD2-L? Press TIMER six times in a row, no more than 3 seconds apart; all the LEDs flash and it recalibrates over the next three cycles. --- **[Read on the site: Sirius downdraft buttons blinking as the panel moves: self-calibration](https://rangehooderepair.center/error-codes/sirius-downdraft-buttons-blinking/)** **[Book a visit with RangeHoodeRepair.center](https://rangehooderepair.center/schedule/)**