Dacor Induction Cooktop Error Codes: A2, C0, F0, UP and Others

An induction cooktop heats cookware directly, so there is no flame, no element glow and no igniter to inspect. What there is instead is a set of boards, sensors and a cooling fan, and when any of them reports something odd, the cooktop shows a short code and stops heating. The codes listed here come from the entries published for the Modernist induction cooktop, the Dacor DTI30M977BB repair unit. Check the model before assuming a match.

The published codes

Fan and cooling

A2 is a fan motor malfunction: the DC motor cannot operate because of a board issue, wiring or a blocked motor blade. Induction electronics generate heat and the fan keeps them in range, so a fan fault can limit or stop heating.

Sensors

• C0 means the top sensor is open.
• C1 means the top sensor is shorted.
• C2 means the IGBT sensor is open.

Control and communication

• d0 reports a key pressed for more than eight seconds.
• F0 reports failed communication between the main and sub boards.
• F1 reports failed communication with the EEPROM.
• F2 reports failed communication with the touch-enabled IC.

Power input

UP means the input voltage is too high or too low. That makes it as much about the supply to the home as about the cooktop.

Which ones owners can influence

Two of these are worth a closer look from the outside. The d0 code is about a key held down. Liquid, a cloth or a pan resting on the touch controls can mimic that, so clear and dry the surface and try again. The UP code involves voltage, so find out whether other appliances were also acting up, which points to the supply, or whether it affects only the cooktop. The rest are internal sensor, fan or board readings that call for a technician.

Checks from the outside

1. Write down the code exactly and note what the cooktop was doing.
2. Clear the surface. Remove pans, wipe up liquid and dry the glass and the controls.
3. Look at the vent or grille where air enters or leaves the cooktop, if you can see one, and clear dust or objects stored near it.
4. Confirm the breaker is on and that other appliances on nearby circuits are working.
5. Do one controlled reset at the breaker. If the code returns, stop and book.

Do not remove the glass top or any panel. Do not store items in a cabinet drawer so tightly that it blocks the ventilation beneath the cooktop.

Why a fan code deserves attention

The fan protects the electronics. A cooktop run with a blocked or failed fan can overheat, which is why it stops itself. In a kitchen island or a countertop with a deep drawer below, airflow beneath the cooktop is limited. Storing baking sheets or boxes right under it can restrict the intake. A technician checks the clearance as part of diagnosis.

How to describe the fault when you book

Give the code exactly as shown, including whether the letter was upper or lower case, since d0 and the other entries differ. Say which zone you were using and whether the code came up at power-on, while heating or when you touched the controls. A code at power-on suggests a board or sensor reading taken straight away, while one that appears after a few minutes of cooking suggests heat-related protection. Say whether the cooktop gave any beeps or flashing symbols before the code.

What these codes do not tell you

A sensor code reports a reading, not a failed part. An open or shorted sensor might be the sensor, its cable or a connector, and a communication failure between boards might be a loose link or a board. The published meaning is where the diagnosis starts. Only testing shows where it ends. Beware of any claim that a code always means one specific replacement part, because that is not how codes work.

Cookware, spills and cooling air

Two everyday habits reduce nuisance faults. Keep the glass and the touch controls free of spills and boiling-over liquid, and keep the space under the cooktop clear so air can move. A cooktop that runs hot because of poor airflow, or one that sees liquid on its controls, is more likely to show a code than one kept clean and ventilated.

Induction in Bay Area kitchens

Many San Francisco condos and remodeled flats now use induction, often fed by a dedicated circuit in a building with older electrical service. Voltage sags during heavy shared use can contribute to a UP message. Tell us if the building has had electrical work or if the cooktop moved with a remodel.

A note on resets

A single power reset at the breaker is reasonable when a code first appears, because a one-off glitch can clear. It is not a repair. If the same code returns, resetting again only delays the visit and may leave the cooktop in a protective state that stops heating altogether. Switch it off and let a technician look.

Other models and next steps

Another induction unit is the Dacor DTI30P876BB repair cooktop. Its code list is not covered in these entries, so send its exact display message with your request. For a related symptom, see Dacor induction not detecting pan.

A visit starts with diagnosis, ends with a written estimate, and nothing is repaired without your approval. The Dacor cooktop repair page and the Dacor cooktops and rangetops guide describe the work and the lineup.

Frequently asked questions