--- title: "KitchenAid F8E5: the exhaust air temperature sensor" description: "What F8E5 means on KitchenAid F8E5: the exhaust air temperature sensors, what to check before booking, and when it is not a failure at all." url: "https://microwaverepair.center/error-codes/kitchenaid-f8e5/" --- # KitchenAid F8E5: the exhaust air temperature sensor KitchenAid hood combinations track the temperature of the exhaust air so the fan can respond to heat rising from below and to the unit's own heat. ## What F8E5 actually means. KitchenAid hood combinations track the temperature of the exhaust air so the fan can respond to heat rising from below and to the unit's own heat. F8E5 means the exhaust air temperature sensor or its wiring gave a reading the control cannot use, and it halts the function that was running. KitchenAid microwave display · also shown as F8 E5 What to do when F8E5 shows on the microwave ### Kind of code Sensors and temperature The control has stopped trusting what one of its sensors reports: the cook or humidity sensor that ends a sensor reheat when steam rises, or a thermal cutout that trips when the cavity or the magnetron runs too hot. A cutout that opens stops the microwave mid-cycle and often recovers once it cools; one that keeps tripping, or a sensor program that shuts off at once every time, needs the sensor, its wiring or the airflow behind it checked. ### Usually leads to Microwave control board and touchpad repair Tracing a dead display, keys that do not answer or a code that keeps returning to the keypad, the ribbon, the relays or the main board, and replacing only the part that failed. ### Shows up as What a Microwave Error Code Is Telling You A microwave error code may be a letter and a number on the display, a lock or demo word, a row of dashes, or a beep with a blinking clock, and it can show while the microwave still heats or block every key until it is cleared. ### Make KitchenAid KitchenAid microwave problems sorted out on site, from a turntable that stands still to a panel that ignores every press. ### Source KitchenAid Product Help, over-the-range microwave: F8E5 Listed on KitchenAid's help pages for over-the-range microwaves; the lettered F-codes belong to the newer hood controls, and the exact code set depends on the model generation. ## Before you book, in this order. Each step comes from KitchenAid's own guidance for F8E5 on its microwaves. Follow it to the end: the last card says whether this is a visit. 01 Switch the microwave off at the breaker for one full minute, then switch it back on. 02 Leave it idle for a minute and watch the display; if the code does not return, run a short test cycle. 03 Check that the grease filters are in place and clean, since a clogged filter changes the air flowing past the sensor. 04 If F8E5 comes back, book a visit to test the sensor. ### Still there? It usually turns into [microwave control board and touchpad repair](https://microwaverepair.center/services/microwave-control-board-and-touchpad-repair/). Book with the code and the model number. ### What not to do F8E5 is not a code about the vent door, which is F7E9. It also does not mean the cooking surface below is overheating on its own. ## What you may notice with it. The microwave problems F8E5 tends to arrive with. Answer these at the microwave before anyone is booked. [All problems](https://microwaverepair.center/problems/) Before you call ### [What a Microwave Error Code Is Telling You](https://microwaverepair.center/problems/microwave-error-code/) [All 7 causes, cheapest first](https://microwaverepair.center/problems/microwave-error-code/) It also comes with - [**Microwave Vent Fan Not Pulling Steam**](https://microwaverepair.center/problems/microwave-vent-fan-not-working/) Problem ### What a Microwave Error Code Is Telling You 7 causes, cheapest first Where F8E5 usually leads ## Microwave control board and touchpad repair. **Control board, keypad membrane or display · moderate to highest.** Book a visit [What the job involves](https://microwaverepair.center/services/microwave-control-board-and-touchpad-repair/) ## KitchenAid microwaves. KitchenAid microwave problems sorted out on site, from a turntable that stands still to a panel that ignores every press. [KitchenAid microwave repair](https://microwaverepair.center/brands/kitchenaid/) More KitchenAid codes [LOC](https://microwaverepair.center/error-codes/kitchenaid-loc/) [DOOR](https://microwaverepair.center/error-codes/kitchenaid-door/) [PF](https://microwaverepair.center/error-codes/kitchenaid-pf/) [Demo](https://microwaverepair.center/error-codes/kitchenaid-demo/) [Change the Charcoal Filter](https://microwaverepair.center/error-codes/kitchenaid-change-charcoal-filter/) [F2](https://microwaverepair.center/error-codes/kitchenaid-f2/) [SE](https://microwaverepair.center/error-codes/kitchenaid-se/) [F2H1](https://microwaverepair.center/error-codes/kitchenaid-f2h1/) [F3T4](https://microwaverepair.center/error-codes/kitchenaid-f3t4/) [F3H1](https://microwaverepair.center/error-codes/kitchenaid-f3h1/) [F7E9](https://microwaverepair.center/error-codes/kitchenaid-f7e9/) [E23](https://microwaverepair.center/error-codes/kitchenaid-e23/) [All 22 KitchenAid codes](https://microwaverepair.center/error-codes/#codes-kitchenaid) Sensors and temperature on other makes [Bertazzoni ERROR](https://microwaverepair.center/error-codes/bertazzoni-error/) [Bosch ERROR](https://microwaverepair.center/error-codes/bosch-error/) [Café HOT](https://microwaverepair.center/error-codes/cafe-hot/) [Dacor C-10](https://microwaverepair.center/error-codes/dacor-c-10/) [Fisher & Paykel A1](https://microwaverepair.center/error-codes/fisher-and-paykel-a1/) [Fulgor Milano ERROR](https://microwaverepair.center/error-codes/fulgor-milano-error/) [GE Profile ERR](https://microwaverepair.center/error-codes/ge-profile-err/) [JennAir E11](https://microwaverepair.center/error-codes/jennair-e11/) [All 39 codes of this kind](https://microwaverepair.center/error-codes/#family-sensor) KitchenAid builds this ### Microwave hood combination The microwave that hangs from the wall cabinets above the burners, heating food in its cavity while its own fan, light and filters handle the steam and grease rising from the pans beneath it. KitchenAid builds this ### Built-in microwave A microwave set into a tall cabinet or a wall of cabinetry at eye level, either a countertop body wrapped in a trim kit or a true built-in model, including speed and convection microwaves that brown as well as heat. KitchenAid builds this ### Countertop microwave A microwave that stands on the counter or a shelf and plugs into an outlet beside it, from a compact model for a dorm to a large inverter or convection unit in a busy family kitchen. ## In KitchenAid's own words > There may a problem with the Exhaust Air Temperature Sensor, or the associated wiring. [KitchenAid Product Help, over-the-range microwave: F8E5](https://producthelp.kitchenaid.com/Cooking/Microwaves/Over-the-Range_Microwave/Error_Code/Starts_with_F/Starts_with_F8/F8E5_-_Error_Code_-_Over-the-Range_Microwave) [KitchenAid Product Help, over-the-range microwave: F8E5](https://producthelp.kitchenaid.com/Cooking/Microwaves/Over-the-Range_Microwave/Error_Code/Starts_with_F/Starts_with_F8/F8E5_-_Error_Code_-_Over-the-Range_Microwave) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Listed on KitchenAid's help pages for over-the-range microwaves; the lettered F-codes belong to the newer hood controls, and the exact code set depends on the model generation. ## KitchenAid F8E5 microwave 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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Switch the microwave off at the breaker for one full minute, then switch it back on. If it comes back, it needs a visit. ### Why does my KitchenAid fan come on by itself? Hood combinations switch the fan on when they sense heat rising from below. If that happens with F8E5 showing, the exhaust sensor reading is suspect. ### Is F8E5 on a KitchenAid serious? It is not a hazard by itself, but the unit loses its heat guard for the exhaust. Have it checked rather than resetting it repeatedly. ### Could dirty filters trigger F8E5? They change the airflow the sensor reads. Clean filters are worth checking first, though the code itself names the sensor and wiring. --- **[Read on the site: KitchenAid F8E5: the exhaust air temperature sensor](https://microwaverepair.center/error-codes/kitchenaid-f8e5/)** **[Book a visit with MicrowaveRepair.center](https://microwaverepair.center/schedule/)**