--- title: "Oven error code C-30" description: "Dacor oven error code C-30: The control monitors its own temperature as well as the cavity's, and that monitoring has failed." url: "https://dacormiami.support/error-codes/oven-c-30/" date_modified: "2026-09-12" Appliance type: "oven, range" --- # Oven error code C-30 ### What C-30 means on this make The control monitors its own temperature as well as the cavity’s, and that monitoring has failed. It matters because the board lives behind the fascia of an appliance that gets hot, and it is entitled to protect itself. The problem is usually the sensor or its connection rather than the whole board, but the diagnosis has to be done properly, because the alternative — a board cooking quietly behind a panel — shortens the life of an expensive part. ### Where this appears, and which table it belongs to On the appliance’s own display. Photograph it before you cut the power: a display that has been cleared has taken the evidence with it, and there is no way to ask the machine for it again. Then check the model, because this make changed hands in 2016 and the two generations share no code string. The same characters mean different things on a Classic ERC oven, an ER-series range and a Modernist induction cooktop, and a meaning read off the wrong table is worse than no meaning at all. ### Which machines this one applies to Modernist wall ovens and Pro ranges. The same number on a different appliance of this make is a different page and often a different repair, which is why this archive is organized by appliance rather than by number. This maker documents codes on 5 of the appliance types this site publishes — coffee machine, cooktop, dishwasher, oven and range — and publishes none at all for freezer, microwave, range hood, refrigerator and wine cooler. Those appliances have symptom pages here and no code pages, which is the honest answer rather than borrowing a table from the machine next door. ### What to do about it - Note whether the code appears only after long use at high temperature. - Check that nothing has been stored against the appliance’s ventilation. - The board’s sensor circuit is measured before the board is condemned. - A recurring C-30 with clear ventilation is treated as urgent rather than cosmetic. ### Where this goes next The job this usually becomes is [appliance control board repair](/services/appliance-control-board-repair/), and that page carries a starting figure and the reasons that move it. If it turns out to be nothing — and on this make a real share of these are modes, reminders and settings rather than problems — the visit ends there and you pay the diagnostic and nothing else, or call [(305) 363-6067](tel:+13053636067) and describe what the panel is doing before booking anything. Modernist wall ovens and Pro ranges What this one means What C-30 means on this make The control monitors its own temperature as well as the cavity’s, and that monitoring has failed. It matters because the board lives behind the fascia of an appliance that gets hot, and it is entitled to protect itself. The problem is usually the sensor or its connection rather than the whole board, but the diagnosis has to be done properly, because the alternative — a board cooking quietly behind a panel — shortens the life of an expensive part. Where this appears, and which table it belongs to On the appliance’s own display. Photograph it before you cut the power: a display that has been cleared has taken the evidence with it, and there is no way to ask the machine for it again. Then check the model, because this make changed hands in 2016 and the two generations share no code string. The same characters mean different things on a Classic ERC oven, an ER-series range and a Modernist induction cooktop, and a meaning read off the wrong table is worse than no meaning at all. Which machines this one applies to Modernist wall ovens and Pro ranges. The same number on a different appliance of this make is a different page and often a different repair, which is why this archive is organized by appliance rather than by number. This maker documents codes on 5 of the appliance types this site publishes — coffee machine, cooktop, dishwasher, oven and range — and publishes none at all for freezer, microwave, range hood, refrigerator and wine cooler. Those appliances have symptom pages here and no code pages, which is the honest answer rather than borrowing a table from the machine next door. What to do about it Note whether the code appears only after long use at high temperature. Check that nothing has been stored against the appliance’s ventilation. The board’s sensor circuit is measured before the board is condemned. A recurring C-30 with clear ventilation is treated as urgent rather than cosmetic. Where this goes next The job this usually becomes is appliance control board repair, and that page carries a starting figure and the reasons that move it. If it turns out to be nothing — and on this make a real share of these are modes, reminders and settings rather than problems — the visit ends there and you pay the diagnostic and nothing else, or call [(305) 363-6067](tel:+13053636067) and describe what the panel is doing before booking anything. --- **[Read full article: Oven error code C-30](https://dacormiami.support/error-codes/oven-c-30/)**