--- title: "GE Profile chimney hood fan came on at MED by itself" description: "What Fan turned on by itself at MED and will not go lower means on GE Profile chimney hood fan came on at MED by itselfs, what to check before booking, and when…" url: "https://rangehooderepair.center/error-codes/ge-profile-heat-sensor-med/" --- # GE Profile chimney hood fan came on at MED by itself These hoods carry a heat sensor that watches the temperature above the cooking surface. ## What Fan turned on by itself at MED and will not go lower actually means. These hoods carry a heat sensor that watches the temperature above the cooking surface. When it runs too hot and the fan is off or on LOW, the hood sets MED; you may raise it to HIGH or BOOST but not lower it until the heat falls. The button collars may stay dark meanwhile, and the hood returns to its earlier state or turns off once the sensor reads safe again. GE Profile range hood display · also shown as heat sensor activated, collars not lit while the fan runs What to do when Fan turned on by itself at MED and will not go lower shows on the range hood ### Kind of code Mode, not a failure 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. ### Usually leads to No repair Turn off or lower the burners and take very hot pans off the heat. ### 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 GE Profile GE Profile hoods and downdraft vents get fixed in your kitchen, starting with a check of the breaker and the hood's own switch. ### Source GE Profile chimney vent hoods owner's manual 49-2000916 (PV970, PV976) GE Profile PV970 (30-inch) and PV976 (36-inch) wall-mount chimney hoods, owner's manual 49-2000916. The trigger temperature is printed in the guide but did not survive text extraction, so it is not given here. ## Before you book, in this order. Each step comes from GE Profile's own guidance for Fan turned on by itself at MED and will not go lower on its range hoods. Follow it to the end: the last card says whether this is a visit. 01 Turn off or lower the burners and take very hot pans off the heat. 02 Leave the fan running; raise it to HIGH or BOOST if there is smoke. 03 Give the hood time to cool, then check that it returns to your setting or switches off. 04 If the fan stays locked at MED with the burners off and the hood cool, book a visit so the heat sensor can be tested. ### Cleared? The code is gone and the blower pulls steam up on every speed again without a new part. If it returns this week, or the filter reminder keeps coming back right after a cleaning, mention it in the booking. ### What not to do A fan that will not go below MED here is not a stuck switch or a failed board. Dark collars during this state are normal, while a single collar that stays dark when pressed in ordinary use points to a stuck button instead. ## What you may notice with it. The range hood problems Fan turned on by itself at MED and will not go lower 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 Fan Won't Turn Off**](https://rangehooderepair.center/problems/range-hood-fan-wont-turn-off/) - [**Range Hood Fan Stuck on One Speed**](https://rangehooderepair.center/problems/range-hood-stuck-on-one-speed/) Problem ### Reading a Range Hood Error Code or Blinking Light 7 causes, cheapest first No repair indicated ## Nothing to repair. 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. [How to read what your range hood is telling you](https://rangehooderepair.center/problems/range-hood-error-code/) ## GE Profile range hoods. GE Profile hoods and downdraft vents get fixed in your kitchen, starting with a check of the breaker and the hood's own switch. [GE Profile range hood repair](https://rangehooderepair.center/brands/ge-profile/) More GE Profile codes [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/) [All collars around the buttons lit after MEMORY/OFF](https://rangehooderepair.center/error-codes/ge-profile-all-collars-lit/) [A button collar does not light when pressed](https://rangehooderepair.center/error-codes/ge-profile-collar-not-lit/) [Grease filter signal light](https://rangehooderepair.center/error-codes/ge-profile-grease-filter-signal-light/) [Indoor Air Quality (IAQ) LED changing color](https://rangehooderepair.center/error-codes/ge-profile-iaq-led/) [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/) [Red LED above Reset Filter](https://rangehooderepair.center/error-codes/ge-profile-reset-filter-led/) Mode, not a failure on other makes [Bertazzoni C](https://rangehooderepair.center/error-codes/bertazzoni-c/) [BEST Fan LED bar flashes slowly and fan speed cannot be changed](https://rangehooderepair.center/error-codes/best-heat-sentry-fan-light-flashing/) [BlueStar Timer icon blinking, blower running](https://rangehooderepair.center/error-codes/bluestar-timer-icon-fan-on/) [Bosch End](https://rangehooderepair.center/error-codes/bosch-end/) [Café Low, Med and High LEDs rolling blink](https://rangehooderepair.center/error-codes/cafe-low-med-high-rolling-blink/) [Dacor Timer LED blinking](https://rangehooderepair.center/error-codes/dacor-timer-led-blinking/) [Elica Snd](https://rangehooderepair.center/error-codes/elica-snd/) [Faber Intensive speed drops back after 6 or 10 minutes](https://rangehooderepair.center/error-codes/faber-intensive-speed-timer/) [All 75 codes of this kind](https://rangehooderepair.center/error-codes/#family-mode) GE Profile 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. GE Profile 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. GE Profile 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 GE Profile's own words > Fan turned on by itself and is in MED setting. The fan setting can be adjusted but not to OFF. [GE Profile chimney vent hoods owner's manual 49-2000916 (PV970, PV976)](https://images.salsify.com/image/upload/s--HAfW-Efz--/d5c27195afaa45b035c7868659cfc0318b107b87.pdf) [GE Profile chimney vent hoods owner's manual 49-2000916 (PV970, PV976)](https://images.salsify.com/image/upload/s--HAfW-Efz--/d5c27195afaa45b035c7868659cfc0318b107b87.pdf) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. GE Profile PV970 (30-inch) and PV976 (36-inch) wall-mount chimney hoods, owner's manual 49-2000916. The trigger temperature is printed in the guide but did not survive text extraction, so it is not given here. ## GE Profile Fan turned on by itself at MED and will not go lower 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 off or lower the burners and take very hot pans off the heat. ### Why can I turn my GE Profile hood up but not down? The heat sensor has set MED because it sensed too much heat. It lets you go to HIGH or BOOST, but LOW and OFF are blocked until the area cools. ### How long will my GE Profile hood keep running after the heat sensor starts it? Until the sensor reads a safe temperature again. Then the hood goes back to its earlier setting or switches itself off. ### My GE Profile hood came on at MED with nothing cooking. What now? Check for heat from below, such as an oven vent or a warming zone left on. If there is none and the fan still locks at MED, book a visit to test the sensor. --- **[Read on the site: GE Profile chimney hood fan came on at MED by itself](https://rangehooderepair.center/error-codes/ge-profile-heat-sensor-med/)** **[Book a visit with RangeHoodeRepair.center](https://rangehooderepair.center/schedule/)**