--- title: "TurboChef F5: the magnetron section is overheating" description: "What F5 means on TurboChef F5: the magnetron section is overheatings, what to check before booking, and when it is not a failure at all." url: "https://commercialappliancerepair.center/error-codes/turbochef-f5/" --- # TurboChef F5: the magnetron section is overheating Besides hot air, a TurboChef rapid cook oven uses microwave energy, and the magnetrons that make it need a steady flow of room air across them. ## What F5 actually means. Besides hot air, a TurboChef rapid cook oven uses microwave energy, and the magnetrons that make it need a steady flow of room air across them. F5, Magnetron Over Temperature, appears when that section overheats, and the manual traces it to blocked intake air along the side and rear panels or dirty guards on the rear cooling fan exhaust. TurboChef commercial appliance display · also shown as F5 What to do when F5 shows on the commercial appliance ### Kind of code Temperature and alarms The controller has seen a temperature outside the band it was set for and is saying so: a box above its alarm point, a fryer vat or an oven cavity that tripped its high-limit, or a dish machine rinse that never came up to heat. Often the cause sits outside the unit, such as a door left open during a delivery, a coil packed with grease, a kitchen far hotter than the maker allows or a booster fed cold water. Checking the door, the coil and the air around the unit is fair; move the product if a cold box stays above 41°F, and book the visit. ### Usually leads to Reach-in and prep table repair Reach-ins, pass-throughs, prep tables and blast chillers: gaskets, hinges, fans, thermostats, condensers and compressors. ### Shows up as Commercial Appliance Error Code on a Combi, Fryer, Dish Machine or Laundry Display A commercial appliance error code appears as letters or numbers on a combi, fryer, reach-in controller, dish machine or laundry machine display, or as a flashing light or an alarm tone. ### Make TurboChef TurboChef units cooking a café or quick-service menu are covered here; pizza service goes to our pizza oven site. ### Source TurboChef i3 and i5 rapid cook oven owner's manual (DOC-9427 Rev E, August 2023) Listed for the i3 and i5 (DOC-9427), Sota i1 (DOC-1777) and Bullet (ENC-OWN A). The ECO manual shows F6 but not F5 in its troubleshooting table. ## Before you book, in this order. Each step comes from TurboChef's own guidance for F5 on its commercial appliances. Follow it to the end: the last card says whether this is a visit. 01 Pull the oven away from anything touching its sides or back, such as boxes, a wall or another appliance. 02 Check the rear cooling fan exhaust guards and wipe off grease and lint with the oven off and cool. 03 On the i-Series and ECO, rinse the rear air filter as the weekly clean describes, dry it and put it back before running the oven. 04 When F5 returns even with open airflow, the cooling fans and the magnetron temperature sensor need testing; book a visit. ### Still there? It usually turns into [reach-in and prep table repair](https://commercialappliancerepair.center/services/reach-in-and-prep-table-repair/). Book with the code and the model number. ### What not to do F5 on a rapid cook oven does not describe the cavity air being too hot. On TurboChef HhC conveyors the same number reports cook chamber over temperature, so the model decides which meaning applies. ## What you may notice with it. The commercial appliance problems F5 tends to arrive with. Answer these at the commercial appliance before anyone is booked. [All problems](https://commercialappliancerepair.center/problems/) Before you call ### [Commercial Appliance Error Code on a Combi, Fryer, Dish Machine or Laundry Display](https://commercialappliancerepair.center/problems/commercial-error-code/) [All 8 causes, cheapest first](https://commercialappliancerepair.center/problems/commercial-error-code/) It also comes with - [**Restaurant Equipment Burning Smell: Scorched Oil, Hot Wiring or Lint**](https://commercialappliancerepair.center/problems/commercial-burning-smell/) Problem ### Commercial Appliance Error Code on a Combi, Fryer, Dish Machine or Laundry Display 8 causes, cheapest first Where F5 usually leads ## Reach-in and prep table repair. **Reach-in, pass-through or prep table gasket, hinge, fan motor, thermostat or controller, defrost heater, leak repair or compressor · moderate.** Book a visit [What the job involves](https://commercialappliancerepair.center/services/reach-in-and-prep-table-repair/) ## TurboChef commercial appliances. TurboChef units cooking a café or quick-service menu are covered here; pizza service goes to our pizza oven site. [TurboChef commercial appliance repair](https://commercialappliancerepair.center/brands/turbochef/) More TurboChef codes [F1](https://commercialappliancerepair.center/error-codes/turbochef-f1/) [F2](https://commercialappliancerepair.center/error-codes/turbochef-f2/) [F6](https://commercialappliancerepair.center/error-codes/turbochef-f6/) [F12](https://commercialappliancerepair.center/error-codes/turbochef-f12/) [Oven Door Open](https://commercialappliancerepair.center/error-codes/turbochef-oven-door-open/) Temperature and alarms on other makes [Alto-Shaam E13](https://commercialappliancerepair.center/error-codes/alto-shaam-e13/) [Beverage-Air Hi](https://commercialappliancerepair.center/error-codes/beverage-air-hi/) [Blodgett Cavity High Temp Error](https://commercialappliancerepair.center/error-codes/blodgett-cavity-high-temp-error/) [Cleveland RESET light](https://commercialappliancerepair.center/error-codes/cleveland-reset-light/) [Continental Refrigerator HI](https://commercialappliancerepair.center/error-codes/continental-refrigerator-hi/) [Delfield Hi](https://commercialappliancerepair.center/error-codes/delfield-hi/) [Frymaster E16](https://commercialappliancerepair.center/error-codes/frymaster-e16/) [Garland E04](https://commercialappliancerepair.center/error-codes/garland-e04/) [All 70 codes of this kind](https://commercialappliancerepair.center/error-codes/#family-temperature) TurboChef builds this ### Commercial cooking equipment Fryers, griddles, charbroilers, restaurant ranges, convection and combi ovens, steamers, kettles, holding cabinets and toasters, on gas or electric, that make up the hot side of a kitchen line. ## In TurboChef's own words > Remove anything that may be obstructing the flow of cool air into the side/rear oven panels. [TurboChef i3 and i5 rapid cook oven owner's manual (DOC-9427 Rev E, August 2023)](https://middleby-cdn.com/usermanuals/TurboChef_iSeries_RapidCookOvens_OwnersManual_1.pdf) [TurboChef i3 and i5 rapid cook oven owner's manual (DOC-9427 Rev E, August 2023)](https://middleby-cdn.com/usermanuals/TurboChef_iSeries_RapidCookOvens_OwnersManual_1.pdf) [TurboChef Bullet rapid cook oven owner's manual (ENC-OWN A, January 2026)](https://middleby-cdn.com/usermanuals/ENC-OWN.pdf) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Listed for the i3 and i5 (DOC-9427), Sota i1 (DOC-1777) and Bullet (ENC-OWN A). The ECO manual shows F6 but not F5 in its troubleshooting table. ## TurboChef F5 commercial appliance 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. [All service areas](https://commercialappliancerepair.center/locations/) [Tampa Bay](https://commercialappliancerepair.center/locations/tampa-bay/) FL · 31 areas - [Hyde Park](https://commercialappliancerepair.center/locations/tampa-bay/hyde-park/) - [Davis Islands](https://commercialappliancerepair.center/locations/tampa-bay/davis-islands/) - [Palma Ceia](https://commercialappliancerepair.center/locations/tampa-bay/palma-ceia/) - [Westchase](https://commercialappliancerepair.center/locations/tampa-bay/westchase/) - [Carrollwood](https://commercialappliancerepair.center/locations/tampa-bay/carrollwood/) - [Belleair](https://commercialappliancerepair.center/locations/tampa-bay/belleair/) - [St. Pete Beach](https://commercialappliancerepair.center/locations/tampa-bay/st-pete-beach/) - [Palm Harbor](https://commercialappliancerepair.center/locations/tampa-bay/palm-harbor/) [Orlando](https://commercialappliancerepair.center/locations/orlando/) FL · 30 areas - [Winter Park](https://commercialappliancerepair.center/locations/orlando/winter-park/) - [Windermere](https://commercialappliancerepair.center/locations/orlando/windermere/) - [Dr. Phillips](https://commercialappliancerepair.center/locations/orlando/dr-phillips/) - [Bay Hill](https://commercialappliancerepair.center/locations/orlando/bay-hill/) - [Lake Nona](https://commercialappliancerepair.center/locations/orlando/lake-nona/) - [Heathrow](https://commercialappliancerepair.center/locations/orlando/heathrow/) - [Celebration](https://commercialappliancerepair.center/locations/orlando/celebration/) [Miami / South Florida](https://commercialappliancerepair.center/locations/south-florida/) FL · 47 areas - [Brickell](https://commercialappliancerepair.center/locations/south-florida/brickell/) - [Coconut Grove](https://commercialappliancerepair.center/locations/south-florida/coconut-grove/) - [Coral Gables](https://commercialappliancerepair.center/locations/south-florida/coral-gables/) - [Pinecrest](https://commercialappliancerepair.center/locations/south-florida/pinecrest/) - [Key Biscayne](https://commercialappliancerepair.center/locations/south-florida/key-biscayne/) - [Aventura](https://commercialappliancerepair.center/locations/south-florida/aventura/) - [Sunny Isles Beach](https://commercialappliancerepair.center/locations/south-florida/sunny-isles-beach/) - [Bal Harbour](https://commercialappliancerepair.center/locations/south-florida/bal-harbour/) - [Miami Beach](https://commercialappliancerepair.center/locations/south-florida/miami-beach/) - [Golden Beach](https://commercialappliancerepair.center/locations/south-florida/golden-beach/) - [Weston](https://commercialappliancerepair.center/locations/south-florida/weston/) - [Boca Raton](https://commercialappliancerepair.center/locations/south-florida/boca-raton/) - [Palm Beach](https://commercialappliancerepair.center/locations/south-florida/palm-beach/) [New York Metro](https://commercialappliancerepair.center/locations/new-york/) NY · 75 areas - [Upper East Side](https://commercialappliancerepair.center/locations/new-york/upper-east-side/) - [Upper West Side](https://commercialappliancerepair.center/locations/new-york/upper-west-side/) - [Tribeca](https://commercialappliancerepair.center/locations/new-york/tribeca/) - [SoHo](https://commercialappliancerepair.center/locations/new-york/soho/) - [Greenwich Village](https://commercialappliancerepair.center/locations/new-york/greenwich-village/) - [Battery Park City](https://commercialappliancerepair.center/locations/new-york/battery-park-city/) - [Brooklyn Heights](https://commercialappliancerepair.center/locations/new-york/brooklyn-heights/) - [Park Slope](https://commercialappliancerepair.center/locations/new-york/park-slope/) - [DUMBO](https://commercialappliancerepair.center/locations/new-york/dumbo/) - [Forest Hills](https://commercialappliancerepair.center/locations/new-york/forest-hills/) - [Great Neck](https://commercialappliancerepair.center/locations/new-york/great-neck/) - [Southampton](https://commercialappliancerepair.center/locations/new-york/southampton/) - [Scarsdale](https://commercialappliancerepair.center/locations/new-york/scarsdale/) [Houston](https://commercialappliancerepair.center/locations/houston/) TX · 36 areas - [River Oaks](https://commercialappliancerepair.center/locations/houston/river-oaks/) - [Memorial](https://commercialappliancerepair.center/locations/houston/memorial/) - [Tanglewood](https://commercialappliancerepair.center/locations/houston/tanglewood/) - [Greater Heights](https://commercialappliancerepair.center/locations/houston/greater-heights/) - [Kingwood](https://commercialappliancerepair.center/locations/houston/kingwood/) - [Bellaire](https://commercialappliancerepair.center/locations/houston/bellaire/) - [Bunker Hill Village](https://commercialappliancerepair.center/locations/houston/bunker-hill-village/) - [Piney Point Village](https://commercialappliancerepair.center/locations/houston/piney-point-village/) - [Hunters Creek Village](https://commercialappliancerepair.center/locations/houston/hunters-creek-village/) - [Sugar Land](https://commercialappliancerepair.center/locations/houston/sugar-land/) - [Cinco Ranch](https://commercialappliancerepair.center/locations/houston/cinco-ranch/) - [The Woodlands](https://commercialappliancerepair.center/locations/houston/the-woodlands/) - [West University](https://commercialappliancerepair.center/locations/houston/west-university/) [Chicago](https://commercialappliancerepair.center/locations/chicagoland/) IL · 50 areas - [Lincoln Park](https://commercialappliancerepair.center/locations/chicagoland/lincoln-park/) - [Near North Side](https://commercialappliancerepair.center/locations/chicagoland/near-north-side/) - [West Loop / Near West Side](https://commercialappliancerepair.center/locations/chicagoland/west-loop-near-west-side/) - [Wilmette](https://commercialappliancerepair.center/locations/chicagoland/wilmette/) - [Winnetka](https://commercialappliancerepair.center/locations/chicagoland/winnetka/) - [Glencoe](https://commercialappliancerepair.center/locations/chicagoland/glencoe/) - [River Forest](https://commercialappliancerepair.center/locations/chicagoland/river-forest/) - [Oak Park](https://commercialappliancerepair.center/locations/chicagoland/oak-park/) - [Hinsdale](https://commercialappliancerepair.center/locations/chicagoland/hinsdale/) - [Lake Forest](https://commercialappliancerepair.center/locations/chicagoland/lake-forest/) - [Highland Park](https://commercialappliancerepair.center/locations/chicagoland/highland-park/) - [Gold Coast](https://commercialappliancerepair.center/locations/chicagoland/gold-coast/) - [Lakeview](https://commercialappliancerepair.center/locations/chicagoland/lakeview/) [Los Angeles](https://commercialappliancerepair.center/locations/los-angeles/) CA · 95 areas - [Beverly Hills](https://commercialappliancerepair.center/locations/los-angeles/beverly-hills/) - [Bel Air](https://commercialappliancerepair.center/locations/los-angeles/bel-air/) - [Holmby Hills](https://commercialappliancerepair.center/locations/los-angeles/holmby-hills/) - [Brentwood](https://commercialappliancerepair.center/locations/los-angeles/brentwood/) - [Pacific Palisades](https://commercialappliancerepair.center/locations/los-angeles/pacific-palisades/) - [Santa Monica](https://commercialappliancerepair.center/locations/los-angeles/santa-monica/) - [Hancock Park](https://commercialappliancerepair.center/locations/los-angeles/hancock-park/) - [Studio City](https://commercialappliancerepair.center/locations/los-angeles/studio-city/) - [Calabasas](https://commercialappliancerepair.center/locations/los-angeles/calabasas/) - [Manhattan Beach](https://commercialappliancerepair.center/locations/los-angeles/manhattan-beach/) - [Palos Verdes Estates](https://commercialappliancerepair.center/locations/los-angeles/palos-verdes-estates/) - [Pasadena](https://commercialappliancerepair.center/locations/los-angeles/pasadena/) - [San Marino](https://commercialappliancerepair.center/locations/los-angeles/san-marino/) - [Malibu](https://commercialappliancerepair.center/locations/los-angeles/malibu/) [San Diego](https://commercialappliancerepair.center/locations/san-diego/) CA · 31 areas - [La Jolla](https://commercialappliancerepair.center/locations/san-diego/la-jolla/) - [Carmel Valley](https://commercialappliancerepair.center/locations/san-diego/carmel-valley/) - [Point Loma](https://commercialappliancerepair.center/locations/san-diego/point-loma/) - [Del Mar](https://commercialappliancerepair.center/locations/san-diego/del-mar/) - [Rancho Santa Fe](https://commercialappliancerepair.center/locations/san-diego/rancho-santa-fe/) - [Coronado](https://commercialappliancerepair.center/locations/san-diego/coronado/) - [Encinitas](https://commercialappliancerepair.center/locations/san-diego/encinitas/) - [Solana Beach](https://commercialappliancerepair.center/locations/san-diego/solana-beach/) [San Francisco Bay Area](https://commercialappliancerepair.center/locations/bay-area/) CA · 74 areas - [Pacific Heights](https://commercialappliancerepair.center/locations/bay-area/pacific-heights/) - [Presidio Heights](https://commercialappliancerepair.center/locations/bay-area/presidio-heights/) - [Russian Hill](https://commercialappliancerepair.center/locations/bay-area/russian-hill/) - [Noe Valley](https://commercialappliancerepair.center/locations/bay-area/noe-valley/) - [Sea Cliff](https://commercialappliancerepair.center/locations/bay-area/sea-cliff/) - [Hillsborough](https://commercialappliancerepair.center/locations/bay-area/hillsborough/) - [Atherton](https://commercialappliancerepair.center/locations/bay-area/atherton/) - [Woodside](https://commercialappliancerepair.center/locations/bay-area/woodside/) - [Palo Alto](https://commercialappliancerepair.center/locations/bay-area/palo-alto/) - [Los Altos Hills](https://commercialappliancerepair.center/locations/bay-area/los-altos-hills/) - [Tiburon](https://commercialappliancerepair.center/locations/bay-area/tiburon/) - [Piedmont](https://commercialappliancerepair.center/locations/bay-area/piedmont/) - [Marina](https://commercialappliancerepair.center/locations/bay-area/marina/) For the heart of your home. ## Questions about F5. ### Can I clear F5 myself? Pull the oven away from anything touching its sides or back, such as boxes, a wall or another appliance. If it comes back, it needs a visit. ### How much clearance does a TurboChef need to avoid F5? Follow the clearances on the installation page of your model's manual. The short answer is that nothing should rest against the sides or back, because that is where the oven draws its cooling air. ### Can a dirty air filter cause F5 on a TurboChef i5? Yes. The filter on the back panel sits in the cooling air path, and the manual asks for a weekly rinse. A clogged filter starves the magnetrons of air. ### Is F5 on a TurboChef dangerous? The oven protects itself by showing the code, but repeated overheating shortens magnetron life. Open up the airflow first, and have the oven checked if the code still returns. --- **[Read on the site: TurboChef F5: the magnetron section is overheating](https://commercialappliancerepair.center/error-codes/turbochef-f5/)** **[Book a visit with CommercialApplianceRepair.center](https://commercialappliancerepair.center/schedule/)**