--- title: "Commercial Oven and Combi Oven Repair" description: "Convection, combi and rapid-cook ovens, steamers and kettles: blowers, steam generators, probes, igniters and controllers." url: "https://commercialappliancerepair.center/services/commercial-oven-and-combi-repair/" --- # Commercial Oven and Combi Oven Repair Convection, combi and rapid-cook ovens, steamers and kettles: blowers, steam generators, probes, igniters and controllers. ## What the commercial oven and combi oven repair involves. The ovens in a commercial kitchen move heat with air, steam or both, and each adds parts a home oven never had. A convection oven relies on a blower motor and a wheel to push hot air across the racks, a door switch that stops the fan when the door opens, and a gas burner with an igniter or elements behind a baffle. A combi oven adds a steam generator or a direct-injection system, a water supply and a drain, level probes and a controller that blends heat and humidity; its automatic cleaning cycle runs detergent and rinse aid through its own pump. Cook-and-hold ovens run low and slow with a core probe, steamers and kettles boil water in a boiler or a jacket, and rapid-cook ovens pair impingement air with microwave energy. The trouble follows the design: blower bearings that wear, door gaskets that leak steam, probes and level sensors coated in scale, steam generators that clog because deliming fell behind, and boards that fail from years of heat soak. The technician reads the controller's error history, checks the blower, the heat source and the door, and on combis and steamers inspects the water side, the scale, the probes and the drain. Where water quality is the root cause, the finding says so. How the visit goes ### What it usually costs Moderate to highest · Convection or combi blower motor, door switch or gasket, igniter or element, core probe, level probe, steam generator or controller A door gasket, a door switch or a probe is the lighter work. A blower motor, an igniter or an element comes next, and a steam generator, a descaling job that has gone too far or a main controller on a combi is the largest repair on this page. ### Answers 6 problems Commercial Convection Oven Baking Unevenly Across the Racks Combi Oven Steam Problem: Weak Steam, Scale or a Dry Cavity · Commercial Kitchen Gas Smell Along the Cooking Line: Clear the Room First · Restaurant Equipment Burning Smell: Scorched Oil, Hot Wiring or Lint · Water on the Commercial Kitchen Floor Near Equipment and Outlets · Commercial Appliance Error Code on a Combi, Fryer, Dish Machine or Laundry Display ### Comes up most on Commercial cooking equipment ## Commercial oven and combi oven repair, step by step. Replace the failed part, run a test cycle, and leave a note on deliming and water treatment if scale played a part. 01 Read the controller's codes and history, and hear whether the trouble is uneven cooking, no steam, slow heat or a stop mid-cycle. 02 Check the blower motor, its wheel and bearings, the door switch and gasket, and the burner, igniter or elements. 03 On combis, steamers and kettles, inspect the water supply, the steam generator, level probes, scale and the drain path. 04 Test the core probe, the cavity sensors and the controller outputs, and check the cleaning system's pump and lines. 05 Replace the failed part, run a test cycle, and leave a note on deliming and water treatment if scale played a part. ## The problems it answers. 6 of them, from commercial convection oven baking unevenly across the racks to commercial appliance error code on a combi, fryer, dish machine or laundry display. [All problems](https://commercialappliancerepair.center/problems/) Most common ### Commercial Convection Oven Baking Unevenly Across the Racks 6 causes, cheapest first Before you call ### Tell us this when you book 1. Whether it is a convection oven, a combi, a cook-and-hold, a steamer, a kettle or a rapid-cook oven, and gas or electric 2. What goes wrong: uneven cooking, no steam, slow heat, water leaking, or a code that stops the cycle 3. When it was last delimed, and whether the water line has a filter or softener that is changed on schedule 4. The make, model and serial, the code on the display, and how the unit is stacked or mounted It also answers - [**Combi Oven Steam Problem: Weak Steam, Scale or a Dry Cavity** 6 causes](https://commercialappliancerepair.center/problems/combi-oven-steam-problem/) - [**Commercial Kitchen Gas Smell Along the Cooking Line: Clear the Room First** 6 causes · gas, fire, food at risk or water near power](https://commercialappliancerepair.center/problems/commercial-gas-smell/) - [**Restaurant Equipment Burning Smell: Scorched Oil, Hot Wiring or Lint** 6 causes · gas, fire, food at risk or water near power](https://commercialappliancerepair.center/problems/commercial-burning-smell/) - [**Water on the Commercial Kitchen Floor Near Equipment and Outlets** 6 causes · gas, fire, food at risk or water near power](https://commercialappliancerepair.center/problems/commercial-water-on-the-floor/) - [**Commercial Appliance Error Code on a Combi, Fryer, Dish Machine or Laundry Display** 8 causes](https://commercialappliancerepair.center/problems/commercial-error-code/) ## Moderate to highest, on the site's scale. A door gasket, a door switch or a probe is the lighter work. A blower motor, an igniter or an element comes next, and a steam generator, a descaling job that has gone too far or a main controller on a combi is the largest repair on this page. [Read the full cost guide](https://commercialappliancerepair.center/cost/) | Repair | Relative cost | | --- | --- | | [Walk-in evaporator fan, defrost heater or drain line heater, door gasket, frame heater, expansion valve, leak repair, compressor or condensing unit](https://commercialappliancerepair.center/services/walk-in-cooler-repair/) | | | [Reach-in, pass-through or prep table gasket, hinge, fan motor, thermostat or controller, defrost heater, leak repair or compressor](https://commercialappliancerepair.center/services/reach-in-and-prep-table-repair/) | | | [Fryer pilot assembly, thermopile, thermostat or probe, high-limit, gas valve, ignition module, element, contactor or filter pump motor](https://commercialappliancerepair.center/services/commercial-fryer-repair/) | | | **Convection or combi blower motor, door switch or gasket, igniter or element, core probe, level probe, steam generator or controller** | moderate to highest | | [Cooking line pilot, thermocouple, burner or orifice, safety valve, griddle thermostat, regulator or quick-disconnect hose, leak-checked](https://commercialappliancerepair.center/services/commercial-cooking-line-gas-repair/) | | | [Dish machine tank heater or booster element, thermostat, fill valve, float switch, drain valve, wash pump seal or motor, conveyor drive](https://commercialappliancerepair.center/services/dish-machine-repair/) | | | [Laundry machine door lock, belt, bearings and seal, drain valve, inverter or motor; tumbler igniter, flame sensor, gas valve coil or airflow switch](https://commercialappliancerepair.center/services/commercial-laundry-machine-repair/) | | | [Controller, touch panel, probe or sensor, relay, contactor, power supply, door switch or interlock, tested before anything is changed](https://commercialappliancerepair.center/services/commercial-controls-and-board-repair/) | | | [Scheduled maintenance visit: coils and drains cleaned, gaskets and doors checked, thermostats calibrated, gas leak check, temperatures logged](https://commercialappliancerepair.center/services/preventive-maintenance-plan/) | | ## Where it comes up most. Most bookings: Commercial cooking equipment. [All commercial appliance types](https://commercialappliancerepair.center/types/) Often the same visit - [**Commercial cooking line gas repair** 4 problems in common · low to moderate](https://commercialappliancerepair.center/services/commercial-cooking-line-gas-repair/) - [**Commercial laundry machine repair** 4 problems in common · moderate](https://commercialappliancerepair.center/services/commercial-laundry-machine-repair/) - [**Walk-in cooler repair** 3 problems in common · moderate to highest](https://commercialappliancerepair.center/services/walk-in-cooler-repair/) ### Commercial cooking equipment ## The makes we see it on. 35 makes on this site, and the commercial oven and combi oven repair on any of them. Each mark opens that make's own page. [All 35 brands](https://commercialappliancerepair.center/brands/) ## Commercial oven and combi oven repair, where we come out. The business, the climate and the building all change how the commercial oven and combi oven repair goes. These notes are about that, metro by metro. [All service areas](https://commercialappliancerepair.center/locations/) [Tampa Bay](https://commercialappliancerepair.center/locations/tampa-bay/) FL · 31 areas Tampa Bay's hard water scales a combi oven's steam generator quickly, and hotel banquet kitchens that postpone deliming meet steam errors and uneven cooking, so a repair there usually includes a descale and a look at the water treatment feeding the oven. - [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 Convention and resort kitchens in Orlando lean on combi and convection ovens for thousands of plates a day, and a repair there is booked around banquet dates, with the steam generator, the door gasket and the fan motor checked while the cavity is cool. - [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 In South Florida a combi oven fed by mineral-heavy water needs its steam system delimed often, and a Miami Beach kitchen that dismisses the delime prompt during the winter rush soon meets the steam error the oven was warning about. - [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 New York's soft city water spares steam generators the heavy scale seen elsewhere, so combi repairs there more often involve blocked drains, door hinges worn by constant slamming and convection fans caked with grease in poorly ventilated basement kitchens. - [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 Houston barbecue joints and banquet halls run cook-and-hold and convection ovens through long overnight loads, and a unit that has lost its heat by morning is checked for a failed element, a relay or a door seal before the next brisket goes in. - [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 Chicagoland hotel and banquet kitchens drive combi ovens hard through wedding and holiday seasons, and even the region's moderately hard water leaves scale, so a repair there checks the filter cartridge and the delime history along with the failed part. - [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 Los Angeles water is hard, and bakeries and hotel kitchens there see combi steam generators and oven humidifiers scale up fast, so the technician descales, tests the water-level probe and suggests filtration suited to the local supply. - [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 San Diego's imported water ranks among the hardest in California, and combi ovens in its hotel and convention kitchens need regular deliming, so a steam problem there is traced through scale, the level probe and the drain before any board is suspected. - [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 Bay Area corporate cafeterias depend on combi ovens with connected controls that log every cook, and a repair there reads the oven's error history first, then checks the steam generator, the fan or the core probe the history points to. - [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 the commercial oven and combi oven repair. ### Why does our convection oven brown one side of the sheet pan more than the other? The blower sets the pattern of heat in a convection oven, so a worn bearing, a loose wheel, a baffle out of place or a fan that no longer reverses shows up as one dark side. A door gasket that leaks and a burner running unevenly add to it. ### What does scale do inside a combi oven? Minerals from the water coat the steam generator's heating elements and the level probes. Steam builds slowly, the elements overheat, and the controller starts reporting fill or level problems. Regular deliming and a water filter sized for the oven keep it in check. ### Is a combi oven board worth repairing on an older unit? Often, because a board is a fraction of a new combi. It depends on age, whether the maker still supplies the part, and how the steam generator looks; if both are near the end, the technician sets the two costs side by side. --- **[Read on the site: Commercial Oven and Combi Oven Repair](https://commercialappliancerepair.center/services/commercial-oven-and-combi-repair/)** **[Book a visit with CommercialApplianceRepair.center](https://commercialappliancerepair.center/schedule/)**