--- title: "Range Hood Error Codes — What They Mean" description: "What the blinking lights and letters on a range hood mean: a filter reminder, a delay-off or heat sentry setting that only looks like trouble, or a blower…" url: "https://rangehooderepair.center/error-codes/" --- Error codes # Range hood error codes, read properly. A code narrows the search and is also the thing most often read wrong: the same characters mean different things on different brands, and a fair number of the codes people look up are not failures at all — they are modes the appliance was left in. ## Find your code, make by make. Type the characters exactly as the display shows them, or pick the make. Each code has a page of its own: what it means on that brand, what to check, and what not to do. ### Bertazzoni range hood error codes 14 codes - [F Filter reminders A flashing F on the display of a Bertazzoni KG hood asks you to wash the metal grease filters.](https://rangehooderepair.center/error-codes/bertazzoni-f/) - [C F Filter reminders On a Bertazzoni KG hood, a display that flashes C and F in turn asks for new charcoal filters.](https://rangehooderepair.center/error-codes/bertazzoni-c-f/) - [C Mode, not a failure A steady C on a Bertazzoni KG hood with the blower off means clean air mode is waiting for its next ten-minute run.](https://rangehooderepair.center/error-codes/bertazzoni-c/) - [4 Mode, not a failure A blinking 4 on a Bertazzoni KG hood means the timed intensive speed is running.](https://rangehooderepair.center/error-codes/bertazzoni-4/) - [A key flashing every 2 seconds Filter reminders A slow flash of the A key on a Bertazzoni KPH hood, about once every two seconds, asks you to wash the grease filters.](https://rangehooderepair.center/error-codes/bertazzoni-a-slow/) - [A key flashing every 0.5 seconds Filter reminders A fast flash of the A key on a Bertazzoni KPH hood, about twice a second, calls for the charcoal filters to be replaced or washed, depending on the type fitted.](https://rangehooderepair.center/error-codes/bertazzoni-a-fast/) - [F and C keys flashing Mode, not a failure On a Bertazzoni KPH hood, the F and C keys flashing together mean clean air mode is running its ten-minute cycle.](https://rangehooderepair.center/error-codes/bertazzoni-f-c-keys/) - [S1 steady Filter reminders A steady S1 light on a Bertazzoni KMC canopy hood means 100 hours of use have passed and the grease filters need washing.](https://rangehooderepair.center/error-codes/bertazzoni-s1/) - [S1 flashing Filter reminders A flashing S1 on a Bertazzoni KMC canopy hood asks for a new charcoal filter and clean grease filters.](https://rangehooderepair.center/error-codes/bertazzoni-s1-flashing/) - [T4 flashing Mode, not a failure A flashing T4 on a Bertazzoni KMC canopy hood means the six-minute intensive speed is running.](https://rangehooderepair.center/error-codes/bertazzoni-t4-flashing/) - [T2 flashing Mode, not a failure A flashing T2 on a Bertazzoni KMC hood means the delay function will switch the blower and lights off after 30 minutes.](https://rangehooderepair.center/error-codes/bertazzoni-t2-flashing/) - [T1 flashing Mode, not a failure A flashing T1 on a Bertazzoni KMC hood means 24-hour air circulation is on, running the blower ten minutes each hour.](https://rangehooderepair.center/error-codes/bertazzoni-t1-flashing/) - [Light B flashing Filter reminders On an older Bertazzoni KG hood, the first-speed light B flashing with the motor off means the mesh filters need cleaning.](https://rangehooderepair.center/error-codes/bertazzoni-b-light-flashing/) - [Light C flashing Filter reminders On an older Bertazzoni KG hood, the second-speed light C flashing with the motor off asks for new charcoal filters.](https://rangehooderepair.center/error-codes/bertazzoni-c-light-flashing/) [Bertazzoni range hood repair](https://rangehooderepair.center/brands/bertazzoni/) ### Bosch range hood error codes 12 codes - [clean grease filter Filter reminders The words clean grease filter on a Bosch wall hood's display mean the metal mesh filters have had 30 hours of fan time since the last reset.](https://rangehooderepair.center/error-codes/bosch-clean-grease-filter/) - [replace charcoal filter Filter reminders Replace charcoal filter on a Bosch wall hood display means 120 hours of fan time have gone through the activated carbon filter of a recirculating setup.](https://rangehooderepair.center/error-codes/bosch-replace-charcoal-filter/) - [Auto Heat and grease sensors Auto on a Bosch wall hood display means the hood measured high temperatures and forced the fan to its top setting until things cool.](https://rangehooderepair.center/error-codes/bosch-auto/) - [End Mode, not a failure End on a Bosch wall hood display marks the close of the kitchen timer or of the ten-minute delay shut-off.](https://rangehooderepair.center/error-codes/bosch-end/) - [Snd Mode, not a failure Snd shows for three seconds on a Bosch wall hood when the Light key is held for five seconds, toggling the audible signal.](https://rangehooderepair.center/error-codes/bosch-snd/) - [Able Mode, not a failure Able lights briefly when a Bosch wall hood's display is switched to circulating-air mode, and None when it is switched back to exhaust.](https://rangehooderepair.center/error-codes/bosch-able/) - [GREASE FILTER lit Filter reminders On a Bosch custom insert, a lit GREASE FILTER key means the hood has run 40 hours and the filters are due for a wash.](https://rangehooderepair.center/error-codes/bosch-grease-filter-key-lit/) - [CHARCOAL FILTER lit Filter reminders A lit CHARCOAL FILTER key on a Bosch custom insert means 120 hours have passed and the recirculating filters need changing.](https://rangehooderepair.center/error-codes/bosch-charcoal-filter-key-lit/) - [CONNECT and 2 flashing Control board and keypad When CONNECT and speed key 2 flash on a Bosch custom insert, the hood failed to reach your home Wi-Fi within two minutes.](https://rangehooderepair.center/error-codes/bosch-connect-2-flashing/) - [Two short beeps Control board and keypad Two short beeps from a Bosch custom insert are its inactive tone: the control will not run that function in the state the hood is in.](https://rangehooderepair.center/error-codes/bosch-two-short-beeps/) - [Filter key flashes slowly at switch-off Filter reminders On a Bosch 300, 500 or 800 Series under-cabinet hood, a filter key that flashes slowly for 30 seconds when you switch off is the clean-filter reminder.](https://rangehooderepair.center/error-codes/bosch-filter-key-flashing/) - [Fan key backlight flashes slowly Heat and grease sensors A slowly flashing fan key on a Bosch under-cabinet hood means the heat sensor thermostat has turned the blower on or pushed it to high.](https://rangehooderepair.center/error-codes/bosch-fan-key-flashing/) [Bosch range hood repair](https://rangehooderepair.center/brands/bosch/) ### Zephyr range hood error codes 12 codes - [F Filter reminders A flashing F on a Zephyr hood's small display is the reminder to wash the metal mesh filters.](https://rangehooderepair.center/error-codes/zephyr-f/) - [C Filter reminders A flashing C on a Zephyr display means a hood set up to recirculate has run 120 hours on its charcoal filters.](https://rangehooderepair.center/error-codes/zephyr-c/) - [A then 1 Mode, not a failure If a Zephyr display shows A followed by 1, the Clean Air feature is on and runs the hood by itself every few hours.](https://rangehooderepair.center/error-codes/zephyr-a1/) - [CLEAN GREASE FILTERS HOLD FAN- TO RESET Filter reminders This scrolling message on a Zephyr LCD hood appears after 60 hours of fan use and asks you to wash the grease filters.](https://rangehooderepair.center/error-codes/zephyr-clean-grease-filters-hold-fan-to-reset/) - [FAN- button slowly blinking Filter reminders A slowly blinking FAN- or down-arrow button on a Zephyr hood is the reminder to clean the grease filters.](https://rangehooderepair.center/error-codes/zephyr-fan-minus-blinking/) - [Clean filters indicator on or flashing Filter reminders On the Zephyr Ombra, a steady clean filters light means wash the mesh filters, and a flashing one means replace the charcoal.](https://rangehooderepair.center/error-codes/zephyr-clean-filters-indicator/) - [Filter button slowly blinking (30 or 120 hours) Filter reminders On Zephyr Anzio and Savona hoods, a slowly blinking button marks a filter reminder, and which button tells you which filter.](https://rangehooderepair.center/error-codes/zephyr-filter-button-slowly-blinking/) - [ACT 390 Mode, not a failure ACT followed by a number on a Zephyr LCD shows the maximum airflow the installer allowed, set to meet local code.](https://rangehooderepair.center/error-codes/zephyr-act-390/) - [PAIRING Mode, not a failure PAIRING on a Zephyr LCD, or a blinking Bluetooth icon, means the hood is waiting 60 seconds to link with a remote or the app.](https://rangehooderepair.center/error-codes/zephyr-pairing/) - [HELLO Mode, not a failure HELLO and GOODBYE on a Zephyr LCD are greetings when the controls wake up and when the hood shuts off.](https://rangehooderepair.center/error-codes/zephyr-hello/) - [Filter clean icon blinking Filter reminders On the Zephyr Lift downdraft, a filter icon that blinks without stopping means its filters are due for cleaning.](https://rangehooderepair.center/error-codes/zephyr-lift-filter-icon-blinking/) - [Dot flashing in the lower right of the display Mode, not a failure A small dot flashing in the lower right corner of a Zephyr Firenze display means delay-off is on and the blowers will stop by themselves.](https://rangehooderepair.center/error-codes/zephyr-dot-flashing/) [Zephyr range hood repair](https://rangehooderepair.center/brands/zephyr/) ### GE Profile range hood error codes 10 codes - [Lo, Med, Hi and Light backlights flash in sequence Mode, not a failure On the GE Profile PVX7300 and PVX7360, backlights that flash Lo, Med, Hi, Light in order mean the hood is waiting to pair over Chef Connect.](https://rangehooderepair.center/error-codes/ge-profile-lo-med-hi-light-flashing-in-sequence/) - [All backlights blink on and off together Mode, not a failure When every backlight on a GE Profile Chef Connect hood blinks together indefinitely, the hood is in Default Settings Mode for its sync settings.](https://rangehooderepair.center/error-codes/ge-profile-all-backlights-blinking/) - [Fan turned on by itself at MED and will not go lower Mode, not a failure On the GE Profile PV970 and PV976 chimney hoods, a fan that starts on MED without a touch, and refuses LOW or OFF, is the heat sensor at work.](https://rangehooderepair.center/error-codes/ge-profile-heat-sensor-med/) - [All collars around the buttons lit after MEMORY/OFF Mode, not a failure When MEMORY/OFF lights all the button collars on a GE Profile PV970 or PV976 and the hood does nothing, the memory setting has never been saved.](https://rangehooderepair.center/error-codes/ge-profile-all-collars-lit/) - [A button collar does not light when pressed Control board and keypad On the GE Profile PV970 and PV976, a collar that fails to light when you press its button points to a push button that is stuck.](https://rangehooderepair.center/error-codes/ge-profile-collar-not-lit/) - [Grease filter signal light Filter reminders On the GE Profile PVW1030 and PVW1036, a signal light comes on after 30 hours of fan time to ask for clean grease filters.](https://rangehooderepair.center/error-codes/ge-profile-grease-filter-signal-light/) - [Indoor Air Quality (IAQ) LED changing color Heat and grease sensors The IAQ light on a GE Profile PVW wall hood changes color with the kitchen air, and works only after the hood joins Wi-Fi.](https://rangehooderepair.center/error-codes/ge-profile-iaq-led/) - [Chef Connect indicator blinking Mode, not a failure On the GE Profile PVW wall hoods, a blinking Chef Connect indicator means the hood is looking for an appliance to pair with; it turns solid when paired.](https://rangehooderepair.center/error-codes/ge-profile-chef-connect-indicator-blinking/) - [Wi-Fi indicator flashing Mode, not a failure A flashing Wi-Fi light on a GE Profile PVW wall hood means it is in connect mode, waiting for setup in the SmartHQ app.](https://rangehooderepair.center/error-codes/ge-profile-wifi-indicator-flashing/) - [Red LED above Reset Filter Filter reminders On the Smart Designer wall hoods listed under GE Profile, a red LED above the Reset Filter pad is the reminder to clean or change the filters.](https://rangehooderepair.center/error-codes/ge-profile-reset-filter-led/) [GE Profile range hood repair](https://rangehooderepair.center/brands/ge-profile/) ### Gaggenau range hood error codes 9 codes - [Saturation display blinking Filter reminders When the saturation symbol blinks on a Gaggenau island hood, visor hood or retractable downdraft, the metal mesh grease filter is due for cleaning.](https://rangehooderepair.center/error-codes/gaggenau-saturation-display-blinking/) - [All buttons flash, hood not working Power Every key flashing on a Gaggenau wall hood or retractable downdraft, with nothing running, points to the connection between modules, a fuse, or a failed component.](https://rangehooderepair.center/error-codes/gaggenau-all-buttons-flash/) - [Run-on key and fan level flash alternately Mode, not a failure When the run-on key and a fan-level key light up in turn on a Gaggenau visor hood or retractable downdraft, interval ventilation is switched on.](https://rangehooderepair.center/error-codes/gaggenau-interval-ventilation/) - [Ring flashes white slowly three times Filter reminders Three slow white flashes of the knob ring after you switch off a Gaggenau VL 414 Vario downdraft mean the metal grease filter is saturated.](https://rangehooderepair.center/error-codes/gaggenau-ring-white-slow-three/) - [Ring flashes white rapidly six times Filter reminders Six rapid white flashes of the ring after switch-off on a Gaggenau VL 414 mean the activated charcoal filter in the remote fan unit is saturated.](https://rangehooderepair.center/error-codes/gaggenau-ring-white-rapid-six/) - [Ring flashes orange slowly Mode, not a failure A slow orange flash of the ring after switching off a Gaggenau VL 414 means the run-on function is keeping the fan going at a low level for a while.](https://rangehooderepair.center/error-codes/gaggenau-ring-orange-slow/) - [Ring flashes orange and white alternately Power An orange and white alternating ring on a Gaggenau VL 414 means the unit switched itself off: the safety shut-off, a power failure, or a closed window on a window contact switch.](https://rangehooderepair.center/error-codes/gaggenau-ring-orange-white/) - [Ring flashes yellow and magenta Control board and keypad A yellow and magenta flashing ring on a Gaggenau VL 414 signals an appliance problem, either the automatic sensor or the link to the remote blower.](https://rangehooderepair.center/error-codes/gaggenau-ring-yellow-magenta/) - [Ring green, then yellow Power A ring that lights green for a few seconds and then turns yellow on a Gaggenau VL 414 means the unit is initializing after first connection or a power failure.](https://rangehooderepair.center/error-codes/gaggenau-ring-green-then-yellow/) [Gaggenau range hood repair](https://rangehooderepair.center/brands/gaggenau/) ### KitchenAid range hood error codes 9 codes - [F Filter reminders A single F on a KitchenAid hood display, seen while the fan runs, is the grease filter reminder after 30 hours of fan time.](https://rangehooderepair.center/error-codes/kitchenaid-f/) - [C Filter reminders C on a KitchenAid hood display means 120 hours of fan time have passed and the charcoal filter of a recirculating hood is due.](https://rangehooderepair.center/error-codes/kitchenaid-c/) - [Clean Grease Filter Filter reminders On the KitchenAid 30- and 36-inch under-cabinet hood, Clean Grease Filter appears with the fan on once 30 fan hours have gone by.](https://rangehooderepair.center/error-codes/kitchenaid-clean-grease-filter/) - [Replace Charcoal Filter Filter reminders After 120 fan hours, the KitchenAid under-cabinet hood asks for a new charcoal filter with Replace Charcoal Filter on its display.](https://rangehooderepair.center/error-codes/kitchenaid-replace-charcoal-filter/) - [Auto Mode, not a failure Auto on the display of the KitchenAid under-cabinet hood means its heat sensor has taken the blower to top speed.](https://rangehooderepair.center/error-codes/kitchenaid-auto/) - [None Mode, not a failure None appears for 3 seconds on the KitchenAid under-cabinet hood when the charcoal filter has been set as not used.](https://rangehooderepair.center/error-codes/kitchenaid-none/) - [Able Mode, not a failure Able on the KitchenAid under-cabinet hood confirms that the charcoal filter reminder is switched on for a recirculating setup.](https://rangehooderepair.center/error-codes/kitchenaid-able/) - [Snd Mode, not a failure Snd on the KitchenAid under-cabinet hood display confirms that the audible signals were switched on or off.](https://rangehooderepair.center/error-codes/kitchenaid-snd/) - [Fan icon flashing with 10:00 Mode, not a failure A flashing fan icon with 10:00 on the KitchenAid under-cabinet hood means Timed Fan Off is counting down 10 minutes before shutting the blower off.](https://rangehooderepair.center/error-codes/kitchenaid-fan-icon-flashing/) [KitchenAid range hood repair](https://rangehooderepair.center/brands/kitchenaid/) ### Monogram range hood error codes 8 codes - [Indicator light above POWER blinking Mode, not a failure On a Monogram ZVW professional hood, a blinking light above POWER means Delay Off is on and the fan will stop itself after 15 minutes.](https://rangehooderepair.center/error-codes/monogram-power-indicator-blinking/) - [HIGH pad LED blinking Mode, not a failure A blinking HIGH light on a Monogram ZVW professional hood means the Boost speed is running for 15 minutes.](https://rangehooderepair.center/error-codes/monogram-high-led-blinking/) - [Blower jumps to BOOST by itself Mode, not a failure When a Monogram professional hood starts or speeds up to Boost without a touch, its heat sensor has sensed excessive heat above the burners.](https://rangehooderepair.center/error-codes/monogram-heat-sensor-boost/) - [All icon backlights lit, then CHEF CONNECT light solid Mode, not a failure On a Monogram ZVW professional hood, every icon lights up while the hood waits to pair; a solid light above CHEF CONNECT means it paired.](https://rangehooderepair.center/error-codes/monogram-chef-connect-light-solid/) - [All button backlights blinking on and off Mode, not a failure All backlights blinking on and off indefinitely on a Monogram hood means the Default Settings Mode for Chef Connect is open.](https://rangehooderepair.center/error-codes/monogram-all-backlights-blinking/) - [Grease filter signal light Filter reminders On the Monogram ZVWS wall pyramid chimney hoods, a signal light after 30 hours of on-time asks for the grease filters to be cleaned.](https://rangehooderepair.center/error-codes/monogram-grease-filter-signal-light/) - [Indoor Air Quality (IAQ) LED Heat and grease sensors The IAQ LED on a Monogram pyramid chimney hood shifts color as the kitchen air changes, but only after the hood is on Wi-Fi.](https://rangehooderepair.center/error-codes/monogram-iaq-led/) - [Wi-Fi indicator flashing Mode, not a failure A flashing Wi-Fi indicator on a Monogram hood means it is in connect mode, waiting to be added in the SmartHQ app.](https://rangehooderepair.center/error-codes/monogram-wifi-indicator-flashing/) [Monogram range hood repair](https://rangehooderepair.center/brands/monogram/) ### BEST range hood error codes 7 codes - [Fan LED bar flashes slowly for 30 seconds after the fan is turned off Filter reminders On BEST touch-control hoods, a slow 30-second blink on the fan light right after you turn the fan off is the filter cleaning reminder.](https://rangehooderepair.center/error-codes/best-fan-led-bar-flashing-after-off/) - [Fan LED bar flashes slowly and fan speed cannot be changed Mode, not a failure If a BEST hood jumps to HIGH, blinks its fan light and ignores the speed keys, the Heat Sentry thermostat has sensed too much heat.](https://rangehooderepair.center/error-codes/best-heat-sentry-fan-light-flashing/) - [All 4 blower speed lights flash for 30 seconds Filter reminders On the BEST WPP1 chimney hood, the four speed lights flashing together for 30 seconds mean 25 hours of use have passed and the baffle filters need washing.](https://rangehooderepair.center/error-codes/best-four-speed-lights-flashing/) - [Speed 4 button flashing, speed 3 lit Mode, not a failure When speed 4 flashes and only speed 3 works on a BEST WPP1, the Heat Sentry device has sensed too much heat inside the hood.](https://rangehooderepair.center/error-codes/best-speed-4-flashing/) - [Calibration button light blinks continuously Damper and downdraft A calibration button that keeps blinking after the IQ Blower calibration means the ductwork is holding the blower back from its rated airflow.](https://rangehooderepair.center/error-codes/best-calibration-light-blinking/) - [Speed indicator LED flashing after pressing delay-off Mode, not a failure A flashing speed light right after you press delay-off means the BEST hood will run another 10 minutes and switch itself off.](https://rangehooderepair.center/error-codes/best-speed-light-flashing-delay-off/) - [WiFi LED flashing Mode, not a failure A flashing WiFi light on a connected BEST hood means pairing mode is open for the phone app.](https://rangehooderepair.center/error-codes/best-wifi-led-flashing/) [BEST range hood repair](https://rangehooderepair.center/brands/best/) ### Elica range hood error codes 7 codes - [CArE Heat and grease sensors CArE on an Elica Pilato display means its heat sensor found the control area too hot and pushed the blower to third speed.](https://rangehooderepair.center/error-codes/elica-care/) - [Grease Filter Filter reminders Grease Filter on an Elica Pilato display appears after 30 hours of fan use and asks you to wash the grease filters.](https://rangehooderepair.center/error-codes/elica-grease-filter/) - [Charcoal Filter (flashing) Filter reminders A flashing Charcoal Filter message on an Elica Pilato means 120 hours have passed and the charcoal filters need replacing or reactivating.](https://rangehooderepair.center/error-codes/elica-charcoal-filter/) - [Keys T6 and T5 flashing very slowly Filter reminders On the Elica Haiku, keys T5 and T6 lit with a very slow flash mean the grease filter needs cleaning.](https://rangehooderepair.center/error-codes/elica-keys-flashing-very-slowly/) - [Keys T6 and T5 flashing quickly Filter reminders On an Elica Haiku, T5 and T6 flashing quickly at switch-on mean the carbon odor filter needs attention.](https://rangehooderepair.center/error-codes/elica-keys-flashing-quickly/) - [Snd Mode, not a failure Snd for 3 seconds on an Elica Pilato display confirms the key beeps were turned on or off.](https://rangehooderepair.center/error-codes/elica-snd/) - [Speed 4/5 key flashing Mode, not a failure On the Elica Haiku, the T5 key flashing by itself simply shows the hood is on speed 5, its highest setting.](https://rangehooderepair.center/error-codes/elica-speed-5-key-flashing/) [Elica range hood repair](https://rangehooderepair.center/brands/elica/) ### Sirius range hood error codes 7 codes - [All buttons lit Filter reminders When all the buttons on a Sirius touch panel light up together, the hood is reminding you to clean the grease filter after 30 hours of use.](https://rangehooderepair.center/error-codes/sirius-all-buttons-lit/) - [Speed indicators D all flashing Filter reminders On a Sirius downdraft, all the speed indicators flashing at once means 30 hours of use and saturated grease filters.](https://rangehooderepair.center/error-codes/sirius-speed-leds-flashing-together/) - [LEDs flash 3 times (or 6 times) Mode, not a failure A burst of three or six flashes from a Sirius hood's LEDs confirms a remote control code change or a return to the factory code.](https://rangehooderepair.center/error-codes/sirius-leds-flash-3-or-6-times/) - [Hood switches off after 4 hours Mode, not a failure A Sirius hood that turns itself off after a long run is using its built-in 4-hour automatic shutoff.](https://rangehooderepair.center/error-codes/sirius-4-hour-shutoff/) - [Motor stops during high-heat cooking Heat and grease sensors If a Sirius hood's motor cuts out while you sear or fry, its thermal overload has sensed excessive heat and shut it down.](https://rangehooderepair.center/error-codes/sirius-thermal-overload/) - [Pushbutton panel blinking during calibration Damper and downdraft When the buttons blink while a Sirius downdraft rises and lowers a little on its own, it is calibrating its travel.](https://rangehooderepair.center/error-codes/sirius-downdraft-buttons-blinking/) - [Speed LED flashing (timer) Mode, not a failure A single flashing speed LED on a Sirius downdraft means the 10-minute timer is running and the unit will stop and close.](https://rangehooderepair.center/error-codes/sirius-speed-led-flashing-timer/) [Sirius range hood repair](https://rangehooderepair.center/brands/sirius/) ### Miele range hood error codes 6 codes - [Grease filter symbol lit Filter reminders A lit grease filter symbol on a Miele hood or downdraft is its filter saturation indicator: the operating-hour count for the grease filters has run out.](https://rangehooderepair.center/error-codes/miele-grease-filter-symbol/) - [Charcoal filter symbol lit Filter reminders A lit charcoal filter symbol on a Miele hood means the recirculation filters have reached their set operating time, 180 hours from the factory.](https://rangehooderepair.center/error-codes/miele-charcoal-filter-symbol/) - [2 and 3 flashing Control board and keypad Power level lights 2 and 3 flashing together on a Miele hood mean a Wi-Fi or Con@ctivity connection attempt did not succeed.](https://rangehooderepair.center/error-codes/miele-2-and-3-flashing/) - [1 and B flashing Mode, not a failure Indicators 1 and B flashing on a Miele hood in the settings mean power management is deactivated; steady 1 and B mean it is on.](https://rangehooderepair.center/error-codes/miele-1-and-b-flashing/) - [5 or 15 lit Mode, not a failure A lit 5 or 15 on a Miele hood or downdraft shows the delayed shutdown: the blower will switch itself off after five or fifteen minutes.](https://rangehooderepair.center/error-codes/miele-delay-5-or-15-lit/) - [Filter symbol and a power level flashing Filter reminders When a Miele filter symbol flashes together with one power level light, the hood is showing its filter interval setting, not asking for cleaning.](https://rangehooderepair.center/error-codes/miele-filter-symbol-and-level-flashing/) [Miele range hood repair](https://rangehooderepair.center/brands/miele/) ### Thermador range hood error codes 6 codes - [FILTER lit Filter reminders When the FILTER key on a Thermador Masterpiece or Professional Series hood lights up, the hood has logged 40 hours and wants its filters cleaned.](https://rangehooderepair.center/error-codes/thermador-filter-lit/) - [FILTER blinking (downdraft) Filter reminders A FILTER icon that keeps blinking on a Thermador Masterpiece downdraft means 30 hours of blower time have passed since the filters were last reset.](https://rangehooderepair.center/error-codes/thermador-downdraft-filter-blinking/) - [AUTO blinks 3 times Heat and grease sensors Three blinks of AUTO on a Thermador Masterpiece downdraft mean its over-temperature sensor has found excess heat and pushed the fan speed up.](https://rangehooderepair.center/error-codes/thermador-downdraft-auto-blinks/) - [CONNECT and 2 flashing Control board and keypad On a Thermador Home Connect hood, CONNECT flashing together with fan key 2 means the WPS pairing did not reach the home network within two minutes.](https://rangehooderepair.center/error-codes/thermador-connect-2-flashing/) - [Two short beeps Control board and keypad Two quick beeps from a Thermador hood mean the key you pressed asked for something the hood cannot do at that moment.](https://rangehooderepair.center/error-codes/thermador-two-short-beeps/) - [DELAY lit Mode, not a failure A lit DELAY key means a Thermador hood is in its ten-minute delay shut-off and will turn the blower off on its own.](https://rangehooderepair.center/error-codes/thermador-delay-lit/) [Thermador range hood repair](https://rangehooderepair.center/brands/thermador/) ### Café range hood error codes 5 codes - [Low, Med and High LEDs rolling blink Mode, not a failure A rolling blink across the Low, Med and High buttons on a Café commercial hood means Delay Off is running and the fan will stop itself in 15 minutes.](https://rangehooderepair.center/error-codes/cafe-low-med-high-rolling-blink/) - [High button LED blinking Mode, not a failure A High button LED that blinks on and off on a Café commercial hood means Boost is running for 15 minutes.](https://rangehooderepair.center/error-codes/cafe-high-led-blinking/) - [All button backlights flashing Mode, not a failure When every icon on a Café commercial hood flashes after a long press on Light, the hood is pairing over Chef Connect.](https://rangehooderepair.center/error-codes/cafe-all-backlights-flashing-pairing/) - [All backlights blinking on and off indefinitely Mode, not a failure On a Café commercial hood, all backlights blinking on and off with no end means the Default Settings Mode for Chef Connect is open.](https://rangehooderepair.center/error-codes/cafe-backlights-blinking-default-settings/) - [Wi-Fi indicator flashing Mode, not a failure A flashing Wi-Fi light on a Café commercial hood means it is trying to join your network; it stays on once connected.](https://rangehooderepair.center/error-codes/cafe-wifi-indicator-flashing/) [Café range hood repair](https://rangehooderepair.center/brands/cafe/) ### Faber range hood error codes 5 codes - [Filter alarm LED on (steady) Filter reminders A steady filter alarm light on a Faber hood means about 100 hours of use have passed and the metal grease filters need washing.](https://rangehooderepair.center/error-codes/faber-filter-alarm-led-on/) - [Filter alarm LED flashing Filter reminders A flashing filter alarm on a Faber hood means the charcoal filter of a recirculating setup is due, and the grease filters need washing too.](https://rangehooderepair.center/error-codes/faber-filter-alarm-led-flashing/) - [Intensive speed drops back after 6 or 10 minutes Mode, not a failure If a Faber hood drops from its top speed after a few minutes, the intensive boost has simply run its timer.](https://rangehooderepair.center/error-codes/faber-intensive-speed-timer/) - [Top speeds disabled after CFM adjustment Mode, not a failure On a Faber hood set to stay under 295 or 395 CFM, the higher buttons stop working, and that is permanent.](https://rangehooderepair.center/error-codes/faber-reduced-cfm-setting/) - [All LEDs flash two or three times Mode, not a failure When every light on a Faber keypad flashes two or three times after a long press, the hood is confirming a setting.](https://rangehooderepair.center/error-codes/faber-all-leds-flash/) [Faber range hood repair](https://rangehooderepair.center/brands/faber/) ### Falmec range hood error codes 5 codes - [Red LED steady on with the fan off Filter reminders A steady red light on a Falmec keypad with the fan off is the filter alarm, due about every 30 hours.](https://rangehooderepair.center/error-codes/falmec-red-led-steady/) - [TIMER (red LED flashing) Mode, not a failure A flashing red LED on a Falmec keypad means the timer is running and the hood will turn itself off in 15 minutes.](https://rangehooderepair.center/error-codes/falmec-red-led-flashing/) - ["+" LED flashing (speed 4) Mode, not a failure A flashing + light on a Falmec keypad shows speed 4, the boost speed, which drops back to speed 3 after a few minutes.](https://rangehooderepair.center/error-codes/falmec-plus-led-flashing/) - [ON/OFF blue LED flashing Mode, not a failure A flashing blue on/off light on a Falmec Massimo Pro NRS means the 24-hour cycle is running the fan on and off by itself.](https://rangehooderepair.center/error-codes/falmec-blue-led-flashing/) - [All keys flash Mode, not a failure When every key on a Falmec keypad flashes after a long two-key press, the hood is waiting for a new maximum speed to be set.](https://rangehooderepair.center/error-codes/falmec-all-keys-flash/) [Falmec range hood repair](https://rangehooderepair.center/brands/falmec/) ### Fisher & Paykel range hood error codes 5 codes - [Filter button lit Filter reminders On a Fisher & Paykel Series 7 box chimney hood or integrated insert, a lit filter cleaning button means the aluminum grease filters are due to be cleaned.](https://rangehooderepair.center/error-codes/fisher-and-paykel-filter-button-lit/) - [Wi-Fi button flashing white Control board and keypad A white flashing Wi-Fi button on a Fisher & Paykel hood means it is trying to reconnect, or is still tied to a network you no longer use.](https://rangehooderepair.center/error-codes/fisher-and-paykel-wifi-flashing-white/) - [Link button flashing white Mode, not a failure A white flashing link button on a Fisher & Paykel hood means it is trying to reach the compatible cooking surface it was paired with.](https://rangehooderepair.center/error-codes/fisher-and-paykel-link-flashing-white/) - [G Filter reminders On the Fisher & Paykel induction surface with integrated ventilation, FILTER lit and G shown for ten seconds at start-up mean the downdraft's grease filter needs cleaning.](https://rangehooderepair.center/error-codes/fisher-and-paykel-g-filter/) - [P (extraction PowerBoost) Mode, not a failure P on the extraction display of a Fisher & Paykel integrated downdraft marks the 15-minute full-speed PowerBoost, and it flashes just before dropping to level 9.](https://rangehooderepair.center/error-codes/fisher-and-paykel-p-extraction/) [Fisher & Paykel range hood repair](https://rangehooderepair.center/brands/fisher-and-paykel/) ### Smeg range hood error codes 5 codes - [All 4 LEDs blinking Filter reminders When all four LEDs blink together on a Smeg push-button hood, 100 hours of use have passed and the filters need care.](https://rangehooderepair.center/error-codes/smeg-4-leds-blinking/) - [Speed keys flashing Filter reminders On a Smeg touch-panel hood, the speed keys flashing together after long use is the 100-hour filter alarm.](https://rangehooderepair.center/error-codes/smeg-speed-keys-flashing/) - [LED over a speed key blinking Mode, not a failure One blinking light on a Smeg hood, over the speed you chose, means the ten-minute auto-off timer is running.](https://rangehooderepair.center/error-codes/smeg-timer-led-blinking/) - [Turbo key flashing Mode, not a failure A flashing Turbo key on a Smeg touch-panel hood means speed 4 is running and will drop back to speed 3.](https://rangehooderepair.center/error-codes/smeg-turbo-flashing/) - [24h keys flashing Mode, not a failure Two keys flashing on a Smeg touch-panel hood after a three-second hold mean the 24-hour air exchange is running.](https://rangehooderepair.center/error-codes/smeg-24h-flashing/) [Smeg range hood repair](https://rangehooderepair.center/brands/smeg/) ### Viking range hood error codes 5 codes - [Filter clean icon blinking Filter reminders On a Viking VDD 5 Series rear downdraft, a filter icon that keeps blinking means 30 hours of blower time have passed.](https://rangehooderepair.center/error-codes/viking-filter-clean-icon-blinking/) - [Green indicator LED Filter reminders A green LED on the Viking RVL Pureline Pro ceiling hood means 20 cooking hours have passed and the grease filter needs cleaning.](https://rangehooderepair.center/error-codes/viking-green-led/) - [First white fan-speed LED flashing Mode, not a failure When the first white speed LED flashes on a Viking RVL ceiling hood, the run-on function is clearing the air for 10 minutes before the fan stops.](https://rangehooderepair.center/error-codes/viking-first-white-led-flashing/) - [Fourth white LED lit Mode, not a failure On the Viking RVL ceiling hood, the fourth white LED shows power mode, the strongest setting, which drops back to speed 3 after 6 minutes.](https://rangehooderepair.center/error-codes/viking-fourth-white-led/) - [Blower comes on at high by itself Mode, not a failure A Viking wall or chimney hood that starts or speeds up to high without a touch is responding to its heat sensor thermostat.](https://rangehooderepair.center/error-codes/viking-heat-sensor-high/) [Viking range hood repair](https://rangehooderepair.center/brands/viking/) ### Wolf range hood error codes 5 codes - [FG Filter reminders FG on a black glass Wolf V Series hood is the filter reminder, shown after roughly 100 hours of blower time; it often reads as F6.](https://rangehooderepair.center/error-codes/wolf-fg/) - [FC Filter reminders FC on a black Wolf V Series hood means the charcoal filters of a recirculating installation are due to be replaced.](https://rangehooderepair.center/error-codes/wolf-fc/) - [FF Mode, not a failure FF is the confirmation a black glass Wolf V Series hood shows when the DELAY key is held long enough to reset the filter reminder.](https://rangehooderepair.center/error-codes/wolf-ff/) - [Filter light on Filter reminders The lit filter icon on a stainless or glass Wolf V Series hood, or on the ceiling-mounted hood, is the cleaning reminder after 100 hours of use.](https://rangehooderepair.center/error-codes/wolf-filter-light/) - [Filter LED on (downdraft) Filter reminders On a Wolf downdraft, the Filter LED on the control module lights after about 30 hours of blower time to ask for the filters to be cleaned.](https://rangehooderepair.center/error-codes/wolf-downdraft-filter-led/) [Wolf range hood repair](https://rangehooderepair.center/brands/wolf/) ### XO range hood error codes 5 codes - [LED flashing (Power Boost) Mode, not a failure A flashing speed light on an XO hood, after holding button 3, means Power Boost is on for a few minutes.](https://rangehooderepair.center/error-codes/xo-power-boost-flashing/) - [Control blinks 3 times Mode, not a failure Three blinks from an XO hood's control during setup confirm that Code Compliance Control has limited it to 395 CFM.](https://rangehooderepair.center/error-codes/xo-control-blinks-3-times/) - [Clean Air indicator blinking Mode, not a failure When the Clean Air indicator blinks on an XO hood, the fan has switched itself on at low speed for its ten-minute airing.](https://rangehooderepair.center/error-codes/xo-clean-air-blinking/) - [Button blinking for 5 seconds Control board and keypad A hood button that blinks for about five seconds on an XO hood means it is waiting to pair with a remote.](https://rangehooderepair.center/error-codes/xo-button-blinks-for-remote/) - [Display flashing after power loss Power A flashing display on an XO XOA under-cabinet hood appears the first time it is used and after a power failure.](https://rangehooderepair.center/error-codes/xo-display-flashing/) [XO range hood repair](https://rangehooderepair.center/brands/xo/) ### BlueStar range hood error codes 3 codes - [Timer icon blinking, blower off Filter reminders On a BlueStar hood, a blinking timer icon while the blower is off is the filter cleaning reminder.](https://rangehooderepair.center/error-codes/bluestar-timer-icon-fan-off/) - [Timer icon blinking, blower running Mode, not a failure A blinking timer icon while the blower is running on a BlueStar hood means the 15-minute shut-off timer is on.](https://rangehooderepair.center/error-codes/bluestar-timer-icon-fan-on/) - [Boost icon blinking Mode, not a failure The Boost icon blinking on a BlueStar hood means Boost is on, and after seven minutes the blower will step down to high.](https://rangehooderepair.center/error-codes/bluestar-boost-icon/) [BlueStar range hood repair](https://rangehooderepair.center/brands/bluestar/) ### Dacor range hood error codes 3 codes - [Low button blinking Filter reminders On Dacor Pro-Canopy and chimney wall hoods, a blinking Low button is the filter alarm that comes on every 50 hours of fan use.](https://rangehooderepair.center/error-codes/dacor-low-button-blinking/) - [Timer LED blinking Mode, not a failure A Timer LED that blinks for 5 seconds on a Dacor keypad hood means the set run time has ended and the hood is about to switch off.](https://rangehooderepair.center/error-codes/dacor-timer-led-blinking/) - [Bluetooth icon blinking Mode, not a failure A blinking Bluetooth icon on a Dacor keypad hood means it is in pairing mode, or that it is struggling to connect with a compatible Dacor cooking product.](https://rangehooderepair.center/error-codes/dacor-bluetooth-icon-blinking/) [Dacor range hood repair](https://rangehooderepair.center/brands/dacor/) ### Fulgor Milano range hood error codes 3 codes - [Red LED steady Filter reminders A red light that stays on while the timer is off on a Fulgor Milano hood is the filter alarm: the metal grease filters are due.](https://rangehooderepair.center/error-codes/fulgor-milano-red-led-steady/) - [Red LED flashing Mode, not a failure A flashing red light on a Fulgor Milano push-button panel means the timer will switch the hood off after 15 minutes.](https://rangehooderepair.center/error-codes/fulgor-milano-red-led-flashing/) - [+ LED flashing Mode, not a failure When the plus key light flashes on a Fulgor Milano push-button panel, the hood is at speed 4, which runs only for a few minutes.](https://rangehooderepair.center/error-codes/fulgor-milano-plus-led-flashing/) [Fulgor Milano range hood repair](https://rangehooderepair.center/brands/fulgor-milano/) ### ZLINE range hood error codes 3 codes - [3 Mode, not a failure A flashing 3 on a ZLINE hood display means the power-off delay is on and the fan will switch itself off.](https://rangehooderepair.center/error-codes/zline-3/) - [Digital Timer flashing Mode, not a failure On a ZLINE 600 Series touch panel, a flashing digital timer right after pressing power means the hood is waiting for a speed.](https://rangehooderepair.center/error-codes/zline-timer-flashing/) - [LED Speed Indicators flashing Mode, not a failure On a ZLINE 600 Series button panel, flashing speed lights mean the hood is waiting for a speed or is in its three-minute delay.](https://rangehooderepair.center/error-codes/zline-speed-leds-flashing/) [ZLINE range hood repair](https://rangehooderepair.center/brands/zline/) ### JennAir range hood error codes 2 codes - [F Filter reminders On a JennAir vent hood with a display, F is the grease filter saturation alarm that comes on after 30 hours of fan use.](https://rangehooderepair.center/error-codes/jennair-f/) - [C Filter reminders C on a JennAir display hood is the charcoal filter saturation alarm, set after 120 hours of fan use.](https://rangehooderepair.center/error-codes/jennair-c/) [JennAir range hood repair](https://rangehooderepair.center/brands/jennair/) ### La Cornue range hood error codes 2 codes - [All 6 indicators flashing Filter reminders When all six indicators on a La Cornue Château hood flash together, the grease filters need cleaning.](https://rangehooderepair.center/error-codes/la-cornue-six-lights-flashing/) - [Switches off after 4 hours Mode, not a failure A La Cornue Château hood that turns itself off after a long stretch has hit its four-hour automatic switch-off.](https://rangehooderepair.center/error-codes/la-cornue-4-hour-off/) [La Cornue range hood repair](https://rangehooderepair.center/brands/la-cornue/) ### Vent-A-Hood range hood error codes 1 code - [Blower jumps from LOW to full power Mode, not a failure A Vent-A-Hood left on LOW that suddenly roars up to full power is usually its SensaSource heat sensor reacting to a hot cooking surface.](https://rangehooderepair.center/error-codes/vent-a-hood-sensasource-full-power/) [Vent-A-Hood range hood repair](https://rangehooderepair.center/brands/vent-a-hood/) ### Only confirmed codes Every code here is taken from the manufacturer's own documentation, never from a forum or a parts listing. If yours is not listed, book with the exact characters and the full model number, and we will tell you whether it is one we take. ## Three things before you look it up. A code is a lead, not a verdict. These decide whether the answer you find will be any use. 01 ### Write down what blinks Note the letters, or which light flashes and how many times. A photo is best, since a reset at the breaker can clear it for good. 02 ### Photograph the label It is usually inside the canopy, behind the grease filters. The same blink pattern can mean a filter reminder on one make and a blower problem on another. 03 ### Fire, sparks or a smell? If there was flame, sparks or a hot electrical smell, keep the breaker off and book today. A code on a hood that still pulls steam normally can wait for a regular slot. ## What each kind of code means. Codes fall into a handful of families. The family says more about the likely repair than the characters do — and one of them is not a repair at all. [How to read a code](https://rangehooderepair.center/problems/range-hood-error-code/) ### Mode, not a failure 80 codes The hood is doing something it was told to do, not wearing out: a delay-off timer that keeps the blower running for some minutes after the burners go off, a heat sentry that starts the fan by itself when it senses a hot pan, a Sabbath setting that locks the keys and dims the lights, or a link to the cooking surface that sets the speed on its own. No part is needed; a key sequence from the manual, or simply waiting, ends it. [C](https://rangehooderepair.center/error-codes/bertazzoni-c/) [4](https://rangehooderepair.center/error-codes/bertazzoni-4/) [F and C keys flashing](https://rangehooderepair.center/error-codes/bertazzoni-f-c-keys/) [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/) [Fan LED bar flashes slowly and fan speed cannot be changed](https://rangehooderepair.center/error-codes/best-heat-sentry-fan-light-flashing/) [Speed 4 button flashing, speed 3 lit](https://rangehooderepair.center/error-codes/best-speed-4-flashing/) [Speed indicator LED flashing after pressing delay-off](https://rangehooderepair.center/error-codes/best-speed-light-flashing-delay-off/) [WiFi LED flashing](https://rangehooderepair.center/error-codes/best-wifi-led-flashing/) [Timer icon blinking, blower running](https://rangehooderepair.center/error-codes/bluestar-timer-icon-fan-on/) [Boost icon blinking](https://rangehooderepair.center/error-codes/bluestar-boost-icon/) [End](https://rangehooderepair.center/error-codes/bosch-end/) [Snd](https://rangehooderepair.center/error-codes/bosch-snd/) [Able](https://rangehooderepair.center/error-codes/bosch-able/) [Low, Med and High LEDs rolling blink](https://rangehooderepair.center/error-codes/cafe-low-med-high-rolling-blink/) [High button LED blinking](https://rangehooderepair.center/error-codes/cafe-high-led-blinking/) [All button backlights flashing](https://rangehooderepair.center/error-codes/cafe-all-backlights-flashing-pairing/) [All backlights blinking on and off indefinitely](https://rangehooderepair.center/error-codes/cafe-backlights-blinking-default-settings/) [Wi-Fi indicator flashing](https://rangehooderepair.center/error-codes/cafe-wifi-indicator-flashing/) [Timer LED blinking](https://rangehooderepair.center/error-codes/dacor-timer-led-blinking/) [Bluetooth icon blinking](https://rangehooderepair.center/error-codes/dacor-bluetooth-icon-blinking/) [Snd](https://rangehooderepair.center/error-codes/elica-snd/) [Speed 4/5 key flashing](https://rangehooderepair.center/error-codes/elica-speed-5-key-flashing/) [Intensive speed drops back after 6 or 10 minutes](https://rangehooderepair.center/error-codes/faber-intensive-speed-timer/) [Top speeds disabled after CFM adjustment](https://rangehooderepair.center/error-codes/faber-reduced-cfm-setting/) [All LEDs flash two or three times](https://rangehooderepair.center/error-codes/faber-all-leds-flash/) [TIMER (red LED flashing)](https://rangehooderepair.center/error-codes/falmec-red-led-flashing/) ["+" LED flashing (speed 4)](https://rangehooderepair.center/error-codes/falmec-plus-led-flashing/) [ON/OFF blue LED flashing](https://rangehooderepair.center/error-codes/falmec-blue-led-flashing/) [All keys flash](https://rangehooderepair.center/error-codes/falmec-all-keys-flash/) [Link button flashing white](https://rangehooderepair.center/error-codes/fisher-and-paykel-link-flashing-white/) [P (extraction PowerBoost)](https://rangehooderepair.center/error-codes/fisher-and-paykel-p-extraction/) [Red LED flashing](https://rangehooderepair.center/error-codes/fulgor-milano-red-led-flashing/) [+ LED flashing](https://rangehooderepair.center/error-codes/fulgor-milano-plus-led-flashing/) [Run-on key and fan level flash alternately](https://rangehooderepair.center/error-codes/gaggenau-interval-ventilation/) [Ring flashes orange slowly](https://rangehooderepair.center/error-codes/gaggenau-ring-orange-slow/) [Lo, Med, Hi and Light backlights flash in sequence](https://rangehooderepair.center/error-codes/ge-profile-lo-med-hi-light-flashing-in-sequence/) [All backlights blink on and off together](https://rangehooderepair.center/error-codes/ge-profile-all-backlights-blinking/) [Fan turned on by itself at MED and will not go lower](https://rangehooderepair.center/error-codes/ge-profile-heat-sensor-med/) [All collars around the buttons lit after MEMORY/OFF](https://rangehooderepair.center/error-codes/ge-profile-all-collars-lit/) [Chef Connect indicator blinking](https://rangehooderepair.center/error-codes/ge-profile-chef-connect-indicator-blinking/) [Wi-Fi indicator flashing](https://rangehooderepair.center/error-codes/ge-profile-wifi-indicator-flashing/) [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/) [Switches off after 4 hours](https://rangehooderepair.center/error-codes/la-cornue-4-hour-off/) [1 and B flashing](https://rangehooderepair.center/error-codes/miele-1-and-b-flashing/) [5 or 15 lit](https://rangehooderepair.center/error-codes/miele-delay-5-or-15-lit/) [Indicator light above POWER blinking](https://rangehooderepair.center/error-codes/monogram-power-indicator-blinking/) [HIGH pad LED blinking](https://rangehooderepair.center/error-codes/monogram-high-led-blinking/) [Blower jumps to BOOST by itself](https://rangehooderepair.center/error-codes/monogram-heat-sensor-boost/) [All icon backlights lit, then CHEF CONNECT light solid](https://rangehooderepair.center/error-codes/monogram-chef-connect-light-solid/) [All button backlights blinking on and off](https://rangehooderepair.center/error-codes/monogram-all-backlights-blinking/) [Wi-Fi indicator flashing](https://rangehooderepair.center/error-codes/monogram-wifi-indicator-flashing/) [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/) [Speed LED flashing (timer)](https://rangehooderepair.center/error-codes/sirius-speed-led-flashing-timer/) [LED over a speed key blinking](https://rangehooderepair.center/error-codes/smeg-timer-led-blinking/) [Turbo key flashing](https://rangehooderepair.center/error-codes/smeg-turbo-flashing/) [24h keys flashing](https://rangehooderepair.center/error-codes/smeg-24h-flashing/) [DELAY lit](https://rangehooderepair.center/error-codes/thermador-delay-lit/) [Blower jumps from LOW to full power](https://rangehooderepair.center/error-codes/vent-a-hood-sensasource-full-power/) [First white fan-speed LED flashing](https://rangehooderepair.center/error-codes/viking-first-white-led-flashing/) [Fourth white LED lit](https://rangehooderepair.center/error-codes/viking-fourth-white-led/) [Blower comes on at high by itself](https://rangehooderepair.center/error-codes/viking-heat-sensor-high/) [FF](https://rangehooderepair.center/error-codes/wolf-ff/) [LED flashing (Power Boost)](https://rangehooderepair.center/error-codes/xo-power-boost-flashing/) [Control blinks 3 times](https://rangehooderepair.center/error-codes/xo-control-blinks-3-times/) [Clean Air indicator blinking](https://rangehooderepair.center/error-codes/xo-clean-air-blinking/) [A then 1](https://rangehooderepair.center/error-codes/zephyr-a1/) [ACT 390](https://rangehooderepair.center/error-codes/zephyr-act-390/) [PAIRING](https://rangehooderepair.center/error-codes/zephyr-pairing/) [HELLO](https://rangehooderepair.center/error-codes/zephyr-hello/) [Dot flashing in the lower right of the display](https://rangehooderepair.center/error-codes/zephyr-dot-flashing/) [3](https://rangehooderepair.center/error-codes/zline-3/) [Digital Timer flashing](https://rangehooderepair.center/error-codes/zline-timer-flashing/) [LED Speed Indicators flashing](https://rangehooderepair.center/error-codes/zline-speed-leds-flashing/) Usually leads to No repair — the setting is changed back Shows up as [Range Hood Fan Won't Turn Off](https://rangehooderepair.center/problems/range-hood-fan-wont-turn-off/) [Range Hood Buttons or Keypad Not Responding](https://rangehooderepair.center/problems/range-hood-controls-not-responding/) [Range Hood Fan Stuck on One Speed](https://rangehooderepair.center/problems/range-hood-stuck-on-one-speed/) [Reading a Range Hood Error Code or Blinking Light](https://rangehooderepair.center/problems/range-hood-error-code/) ### Filter reminders 62 codes 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. [F](https://rangehooderepair.center/error-codes/bertazzoni-f/) [C F](https://rangehooderepair.center/error-codes/bertazzoni-c-f/) [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/) [S1 steady](https://rangehooderepair.center/error-codes/bertazzoni-s1/) [S1 flashing](https://rangehooderepair.center/error-codes/bertazzoni-s1-flashing/) [Light B flashing](https://rangehooderepair.center/error-codes/bertazzoni-b-light-flashing/) [Light C flashing](https://rangehooderepair.center/error-codes/bertazzoni-c-light-flashing/) [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/) [All 4 blower speed lights flash for 30 seconds](https://rangehooderepair.center/error-codes/best-four-speed-lights-flashing/) [Timer icon blinking, blower off](https://rangehooderepair.center/error-codes/bluestar-timer-icon-fan-off/) [clean grease filter](https://rangehooderepair.center/error-codes/bosch-clean-grease-filter/) [replace charcoal filter](https://rangehooderepair.center/error-codes/bosch-replace-charcoal-filter/) [GREASE FILTER lit](https://rangehooderepair.center/error-codes/bosch-grease-filter-key-lit/) [CHARCOAL FILTER lit](https://rangehooderepair.center/error-codes/bosch-charcoal-filter-key-lit/) [Filter key flashes slowly at switch-off](https://rangehooderepair.center/error-codes/bosch-filter-key-flashing/) [Low button blinking](https://rangehooderepair.center/error-codes/dacor-low-button-blinking/) [Grease Filter](https://rangehooderepair.center/error-codes/elica-grease-filter/) [Charcoal Filter (flashing)](https://rangehooderepair.center/error-codes/elica-charcoal-filter/) [Keys T6 and T5 flashing very slowly](https://rangehooderepair.center/error-codes/elica-keys-flashing-very-slowly/) [Keys T6 and T5 flashing quickly](https://rangehooderepair.center/error-codes/elica-keys-flashing-quickly/) [Filter alarm LED on (steady)](https://rangehooderepair.center/error-codes/faber-filter-alarm-led-on/) [Filter alarm LED flashing](https://rangehooderepair.center/error-codes/faber-filter-alarm-led-flashing/) [Red LED steady on with the fan off](https://rangehooderepair.center/error-codes/falmec-red-led-steady/) [Filter button lit](https://rangehooderepair.center/error-codes/fisher-and-paykel-filter-button-lit/) [G](https://rangehooderepair.center/error-codes/fisher-and-paykel-g-filter/) [Red LED steady](https://rangehooderepair.center/error-codes/fulgor-milano-red-led-steady/) [Saturation display blinking](https://rangehooderepair.center/error-codes/gaggenau-saturation-display-blinking/) [Ring flashes white slowly three times](https://rangehooderepair.center/error-codes/gaggenau-ring-white-slow-three/) [Ring flashes white rapidly six times](https://rangehooderepair.center/error-codes/gaggenau-ring-white-rapid-six/) [Grease filter signal light](https://rangehooderepair.center/error-codes/ge-profile-grease-filter-signal-light/) [Red LED above Reset Filter](https://rangehooderepair.center/error-codes/ge-profile-reset-filter-led/) [F](https://rangehooderepair.center/error-codes/jennair-f/) [C](https://rangehooderepair.center/error-codes/jennair-c/) [F](https://rangehooderepair.center/error-codes/kitchenaid-f/) [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/) [All 6 indicators flashing](https://rangehooderepair.center/error-codes/la-cornue-six-lights-flashing/) [Grease filter symbol lit](https://rangehooderepair.center/error-codes/miele-grease-filter-symbol/) [Charcoal filter symbol lit](https://rangehooderepair.center/error-codes/miele-charcoal-filter-symbol/) [Filter symbol and a power level flashing](https://rangehooderepair.center/error-codes/miele-filter-symbol-and-level-flashing/) [Grease filter signal light](https://rangehooderepair.center/error-codes/monogram-grease-filter-signal-light/) [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/) [All 4 LEDs blinking](https://rangehooderepair.center/error-codes/smeg-4-leds-blinking/) [Speed keys flashing](https://rangehooderepair.center/error-codes/smeg-speed-keys-flashing/) [FILTER lit](https://rangehooderepair.center/error-codes/thermador-filter-lit/) [FILTER blinking (downdraft)](https://rangehooderepair.center/error-codes/thermador-downdraft-filter-blinking/) [Filter clean icon blinking](https://rangehooderepair.center/error-codes/viking-filter-clean-icon-blinking/) [Green indicator LED](https://rangehooderepair.center/error-codes/viking-green-led/) [FG](https://rangehooderepair.center/error-codes/wolf-fg/) [FC](https://rangehooderepair.center/error-codes/wolf-fc/) [Filter light on](https://rangehooderepair.center/error-codes/wolf-filter-light/) [Filter LED on (downdraft)](https://rangehooderepair.center/error-codes/wolf-downdraft-filter-led/) [F](https://rangehooderepair.center/error-codes/zephyr-f/) [C](https://rangehooderepair.center/error-codes/zephyr-c/) [CLEAN GREASE FILTERS HOLD FAN- TO RESET](https://rangehooderepair.center/error-codes/zephyr-clean-grease-filters-hold-fan-to-reset/) [FAN- button slowly blinking](https://rangehooderepair.center/error-codes/zephyr-fan-minus-blinking/) [Clean filters indicator on or flashing](https://rangehooderepair.center/error-codes/zephyr-clean-filters-indicator/) [Filter button slowly blinking (30 or 120 hours)](https://rangehooderepair.center/error-codes/zephyr-filter-button-slowly-blinking/) [Filter clean icon blinking](https://rangehooderepair.center/error-codes/zephyr-lift-filter-icon-blinking/) Usually leads to [Range hood filter and baffle service](https://rangehooderepair.center/services/range-hood-filter-and-baffle-service/) Shows up as [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/) [Reading a Range Hood Error Code or Blinking Light](https://rangehooderepair.center/problems/range-hood-error-code/) ### Heat and grease sensors 7 codes A sensor inside the canopy has stopped telling the control a believable story: the heat sensor that starts the fan when the air above the burners gets hot, or on some hoods a sensor that reads grease or steam to set the speed. One that reads hot all the time keeps the blower running with the burners long cold; one that reads nothing leaves the automatic mode doing nothing. The sensor, its wiring and the canopy around it are checked at the visit. [Auto](https://rangehooderepair.center/error-codes/bosch-auto/) [Fan key backlight flashes slowly](https://rangehooderepair.center/error-codes/bosch-fan-key-flashing/) [CArE](https://rangehooderepair.center/error-codes/elica-care/) [Indoor Air Quality (IAQ) LED changing color](https://rangehooderepair.center/error-codes/ge-profile-iaq-led/) [Indoor Air Quality (IAQ) LED](https://rangehooderepair.center/error-codes/monogram-iaq-led/) [Motor stops during high-heat cooking](https://rangehooderepair.center/error-codes/sirius-thermal-overload/) [AUTO blinks 3 times](https://rangehooderepair.center/error-codes/thermador-downdraft-auto-blinks/) Usually leads to [Range hood heat sensor repair](https://rangehooderepair.center/services/range-hood-heat-sensor-repair/) Shows up as [Range Hood Fan Won't Turn Off](https://rangehooderepair.center/problems/range-hood-fan-wont-turn-off/) [Range Hood Fan Not Working at Any Speed](https://rangehooderepair.center/problems/range-hood-fan-not-working/) [Reading a Range Hood Error Code or Blinking Light](https://rangehooderepair.center/problems/range-hood-error-code/) ### Control board and keypad 9 codes The electronics that read the keys and switch the fan and the lights have flagged a problem with themselves: a key the board thinks is held down, a membrane keypad worn through or soaked with grease and steam, a speed relay that stuck closed, or a board that lost its settings in a surge. A breaker reset clears a one-off; a code that returns, or a hood that ignores its keys entirely, needs the keypad and the board tested. [CONNECT and 2 flashing](https://rangehooderepair.center/error-codes/bosch-connect-2-flashing/) [Two short beeps](https://rangehooderepair.center/error-codes/bosch-two-short-beeps/) [Wi-Fi button flashing white](https://rangehooderepair.center/error-codes/fisher-and-paykel-wifi-flashing-white/) [Ring flashes yellow and magenta](https://rangehooderepair.center/error-codes/gaggenau-ring-yellow-magenta/) [A button collar does not light when pressed](https://rangehooderepair.center/error-codes/ge-profile-collar-not-lit/) [2 and 3 flashing](https://rangehooderepair.center/error-codes/miele-2-and-3-flashing/) [CONNECT and 2 flashing](https://rangehooderepair.center/error-codes/thermador-connect-2-flashing/) [Two short beeps](https://rangehooderepair.center/error-codes/thermador-two-short-beeps/) [Button blinking for 5 seconds](https://rangehooderepair.center/error-codes/xo-button-blinks-for-remote/) Usually leads to [Range hood control board repair](https://rangehooderepair.center/services/range-hood-control-board-repair/) Shows up as [Range Hood Buttons or Keypad Not Responding](https://rangehooderepair.center/problems/range-hood-controls-not-responding/) [Range Hood Fan Stuck on One Speed](https://rangehooderepair.center/problems/range-hood-stuck-on-one-speed/) [Range Hood Fan Won't Turn Off](https://rangehooderepair.center/problems/range-hood-fan-wont-turn-off/) [Reading a Range Hood Error Code or Blinking Light](https://rangehooderepair.center/problems/range-hood-error-code/) ### Damper and downdraft 2 codes 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. [Calibration button light blinks continuously](https://rangehooderepair.center/error-codes/best-calibration-light-blinking/) [Pushbutton panel blinking during calibration](https://rangehooderepair.center/error-codes/sirius-downdraft-buttons-blinking/) Usually leads to [Range hood damper and duct repair](https://rangehooderepair.center/services/range-hood-damper-and-duct-repair/) Shows up as [Cold Draft or a Flapping Damper Through the Range Hood](https://rangehooderepair.center/problems/range-hood-cold-draft-or-damper-flapping/) [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/) [Reading a Range Hood Error Code or Blinking Light](https://rangehooderepair.center/problems/range-hood-error-code/) ### Power 4 codes The board saw the supply dip, spike or vanish and stopped the hood to protect itself: after a storm, an outage, a surge or a breaker that tripped. The trouble is as often the circuit, the junction box above the hood or a remote blower's separate feed as the hood itself. One breaker cycle usually clears it; a breaker that trips again, or any hot smell, means it stays off and a technician traces the circuit. [All buttons flash, hood not working](https://rangehooderepair.center/error-codes/gaggenau-all-buttons-flash/) [Ring flashes orange and white alternately](https://rangehooderepair.center/error-codes/gaggenau-ring-orange-white/) [Ring green, then yellow](https://rangehooderepair.center/error-codes/gaggenau-ring-green-then-yellow/) [Display flashing after power loss](https://rangehooderepair.center/error-codes/xo-display-flashing/) Usually leads to [Range hood diagnostic visit](https://rangehooderepair.center/services/diagnostic-visit/) Shows up as [Range Hood Keeps Tripping Its Breaker](https://rangehooderepair.center/problems/range-hood-tripping-breaker/) [Range Hood Fan Not Working at Any Speed](https://rangehooderepair.center/problems/range-hood-fan-not-working/) [Range Hood Buttons or Keypad Not Responding](https://rangehooderepair.center/problems/range-hood-controls-not-responding/) [Reading a Range Hood Error Code or Blinking Light](https://rangehooderepair.center/problems/range-hood-error-code/) For the heart of your home. ## Questions about the codes. ### The code on my range hood is not listed. What do I do? A code earns a page here only when the maker explains it in writing. Until then, put the letters or the blink pattern in your booking and we check them against your model's own manual. ### My friend's hood blinked the same way. Does it mean the same thing? Not always. Each maker keeps its own list: the blink that means a filter reminder on one hood can mean a blower or sensor problem on another, and some makers changed their patterns between generations. A code means something only next to its make and model. ### Can I reset a range hood code on my own? Often. Clean or reseat the grease filters, hold the filter or reset key for the time the manual gives, or switch the hood's breaker off for a minute and back on. A code that stays away was probably a reminder or a brief dip in power; one that returns within hours points to a part. If flame, sparks or a burning smell came with it, skip the reset and book. ### A light blinks but the hood still pulls fine. Does it need a repair? Maybe not. Many of the lights owners look up turn out to be reminders or settings: a filter reminder counting hours, a delay-off timer running down after the burners go off, or a heat sentry that turned the fan on by itself. Those pages show how to clear or switch them off with no part at all. --- **[Read on the site: Range Hood Error Codes — What They Mean](https://rangehooderepair.center/error-codes/)** **[Book a visit with RangeHoodeRepair.center](https://rangehooderepair.center/schedule/)**