--- title: "Burning or Hot Wiring Smell From an Electric Pizza Oven: Causes and Fixes" description: "A pizza oven burning smell that reads as hot plastic, scorched insulation or an electrical tang, around a deck oven's control box, a conveyor's motor end or an…" url: "https://pizzaovenrepair.center/problems/pizza-oven-burning-smell/" --- # Burning or Hot Wiring Smell From an Electric Pizza Oven A pizza oven burning smell that reads as hot plastic, scorched insulation or an electrical tang, around a deck oven's control box, a conveyor's motor end or an electric element terminal, calls for the breaker off now. ## Gas smell? Burner off, gas shut, step outside An electrical burning smell is urgent: breaker off now, and 911 if there is smoke from the panel or flame. A food smell or a new oven's first-firing smell is not, and the causes list sorts the two. ## What it usually means. Some smells at a pizza oven are part of the job: flour and cornmeal scorching on a deck, cheese dropped on the stone, a new oven burning its factory oils on the first firings. Those smell like food or like hot paint and fade as the oven settles. The smell that matters is different, sharp and chemical, and it comes from the electrical side. Electric deck ovens run heavy current through elements and their terminals, and a loose terminal gets hot enough to char its wire. Conveyor ovens run a drive motor and big impingement blowers that can overheat when bearings dry out or a fan is choked with flour. Gas pizza ovens have control boards, igniter modules and wiring that sit next to hot metal, protected by shields and insulation that can slip or crumble over time. When the smell is electrical, the breaker goes off first, the oven stays off, and anyone who sees smoke from a panel or flame behind it calls 911. The panel is never opened with power on to find the source. The 6 causes, cheapest first Answer these first 01 Does it smell like scorched food and flour, or like hot plastic and electrical insulation? 02 Is it strongest at the control box, at one end of the conveyor, or near a deck door? 03 Did the oven lose a deck, a blower or its display at the same time? 04 Is the oven brand new and on its first few firings? 05 Is there any smoke or a dark mark on the panel, the plug or the outlet? ## Check these before you book. Pizza oven burning smell: 5 checks, and none of them costs anything. 01 Switch off the oven's breaker, or its disconnect switch, if you can reach it without passing smoke or flame. 02 If there is smoke from the panel or flame behind it, keep people away and call 911. 03 Leave the control panel, the plug and any cover closed; nothing is opened while it may still be live. ### Also worth checking - Note where the smell was strongest and what stopped working, a deck, a fan or the belt, before it happened. - Keep the oven off after the smell clears and book a visit; it is not turned back on to see if it happens again. ## The causes, cheapest first. 6 things burning or hot wiring smell from an electric pizza oven turns out to be, from new oven burning off its factory coatings to control wiring too close to hot metal. [The cost guide](https://pizzaovenrepair.center/cost/) 1. 01 no repair ### New oven burning off its factory coatings The first long heats of a new pizza oven release a hot-paint smell as oils and binders cook off. It fades over a few firings; the manual gives the break-in routine. No repair: check it yourself 2. 02 no repair ### Flour, cornmeal or cheese burning on the deck A smell of scorched toast during service is usually what fell on the stone. A brush between pies and a scrape at close clears it; it is not an electrical sign. No repair: check it yourself 3. 03 moderate ### Loose terminal on a deck element Heavy current through a terminal that has worked loose heats it until the wire insulation chars and the deck loses heat. The terminal, the wire end and often the element are replaced. [Fixed by deck oven element and deck repair](https://pizzaovenrepair.center/services/deck-oven-element-and-deck-repair/) [On a commercial deck oven](https://pizzaovenrepair.center/types/commercial-deck-oven-repair/) 4. 04 moderate ### Conveyor drive motor overheating A motor that has fought a jammed belt or dry bearings runs hot and smells of varnish. The motor and its gearbox are tested and the drive is freed or replaced. [Fixed by conveyor oven belt and motor repair](https://pizzaovenrepair.center/services/conveyor-belt-and-motor-repair/) [On a conveyor and rapid-cook pizza oven](https://pizzaovenrepair.center/types/conveyor-pizza-oven-repair/) 5. 05 moderate ### Blower motor seizing under flour dust Impingement and cooling fans breathe in flour and grease, and a struggling motor heats its windings. The blower is cleaned, its bearings checked and the motor replaced if it has overheated. [Fixed by pizza oven blower and fan repair](https://pizzaovenrepair.center/services/pizza-oven-blower-and-fan-repair/) 6. 06 moderate to highest ### Control wiring too close to hot metal When a heat shield shifts, wires near the burner box or the control board slowly cook. The damaged wiring, the shield and any heat-struck board are replaced. [Fixed by pizza oven thermostat and control repair](https://pizzaovenrepair.center/services/pizza-oven-thermostat-and-control-repair/) ## What else it could be. Most often confused with flames rolling out of the pizza oven mouth or chimney, then deck oven temperature drifting away from the dial setting. [All problems](https://pizzaovenrepair.center/problems/) Codes that come with it - [`CONTROL OVERTEMP` Middleby Marshall · Blowers and airflow](https://pizzaovenrepair.center/error-codes/middleby-marshall-control-overtemp/) - [`F5` TurboChef · Temperature and sensors](https://pizzaovenrepair.center/error-codes/turbochef-f5/) - [`F6` TurboChef · Blowers and airflow](https://pizzaovenrepair.center/error-codes/turbochef-f6/) - [`F8` TurboChef · Temperature and sensors](https://pizzaovenrepair.center/error-codes/turbochef-f8/) Also related - [**Pizza Oven Not Getting Hot Enough to Bake a Crisp Crust** 7 causes](https://pizzaovenrepair.center/problems/pizza-oven-not-getting-hot/) Gas, fire or smoke at the oven ### Flames Rolling Out of the Pizza Oven Mouth or Chimney 6 causes ### Deck Oven Temperature Drifting Away From the Dial Setting 6 causes ### Conveyor Oven Belt Not Moving or Stopping Mid-Bake 6 causes ## The makes it happens on. 16 makes on this site; burning or hot wiring smell from an electric pizza oven can show up on any of them. Each mark opens that make's own page. [All 16 brands](https://pizzaovenrepair.center/brands/) ## Burning or Hot Wiring Smell From an Electric Pizza Oven, where we come out. 9 metros, each with its own page. 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Usually through the first few long firings, fading each time. A smell that gets stronger instead, or that comes from the panel rather than the cavity, is not break-in. ### The conveyor oven smelled hot and then the belt stopped. Are those connected? Often, yes. A drive motor that overheats may shut itself down on its thermal protector. Leave the oven off and book; restarting it can finish off the motor. ### Is it safe to keep baking on the other deck while one deck smells burnt? Not if the smell is electrical. Decks often share wiring and a control box, so the breaker goes off for the whole oven until it is checked. ### Can the pizzeria staff tighten a loose element terminal themselves? No. The terminals sit behind panels on live high-current circuits. That is a job for the technician with the power locked off. --- **[Read on the site: Burning or Hot Wiring Smell From an Electric Pizza Oven: Causes and Fixes](https://pizzaovenrepair.center/problems/pizza-oven-burning-smell/)** **[Book a visit with PizzaOvenRepair.center](https://pizzaovenrepair.center/schedule/)**