mypros+
Error code reference

KitchenAid Cooktop Error Code c2

Inductor temperature failure; the surface cooking area has overheated.

KitchenAid codesKitchenAid cooktop codes

Inductor temperature failure; the surface cooking area has overheated.

First step from the service manual

The cooktop has overheated. Turn off and allow to cool. Wait 5 minutes, then turn it back on.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

MyPros+ Max

Get the full diagnostic procedure for c2.

  • Step-by-step tests with expected resistance, voltage, and continuity values
  • Wiring diagram references and connector pinouts from the OEM service manual
  • Verified part numbers when replacement is required
Get the full procedure

$29/month · Cancel anytime · Or $9.95 3-day pass

What c2 means on a KitchenAid cooktop

The C2 error code on a KitchenAid induction cooktop indicates an inductor temperature failure caused by overheating in a surface cooking area. Induction cooktops use electromagnetic coils (inductors) beneath each cooking zone to generate heat directly in compatible cookware. Each inductor zone is monitored by a thermal sensor or thermistor that tracks operating temperatures. When the sensor detects that the inductor or the surrounding components have exceeded safe thermal limits, the control board triggers the C2 code and shuts down the affected zone to prevent damage.

Overheating in an induction cooktop can result from several conditions. Blocked ventilation is one of the most common contributors, as induction units rely on internal fans and airflow channels to dissipate heat generated by the electronics beneath the glass surface. Cooking at maximum power settings for extended periods, using improperly sized cookware, or operating the unit in a high-ambient-temperature environment can all push the inductor assembly beyond its thermal threshold.

The first recommended step is a thermal reset: power off the cooktop, allow it to cool for at least 5 minutes, and then restore power. This allows the thermal sensors to return to a baseline reading. If the C2 code reappears immediately or after brief use, the underlying cause, whether a failing cooling fan, a faulty thermistor, or a defective control board, will need to be diagnosed and addressed to restore normal operation.

Source: manufacturer service documentation.

Common causes of c2

  1. 01

    Blocked or restricted ventilation

    Wiring / connection

    Induction cooktops require clear airflow through internal vents to cool the electronics. If the vents are obstructed by grease buildup, nearby objects, or installation in a tight space without adequate clearance, heat accumulates and triggers C2.

  2. 02

    Extended high-power cooking session

    Wiring / connection

    Running one or more burner zones at maximum power for a prolonged period can push the inductor temperature beyond the safe limit. Reducing power levels or allowing brief cooling periods between long cooking sessions can prevent recurrence.

  3. 03

    Cooling fan failure

    Part replacement

    Induction cooktops use an internal cooling fan to move heat away from the inductor and control electronics. If the fan motor has failed or the fan blade is obstructed, thermal buildup will occur rapidly and trigger C2 even during normal use.

  4. 04

    Faulty thermistor or temperature sensor

    Part replacement

    If the thermistor monitoring the inductor zone is reading incorrectly, it may report an overtemperature condition even when actual temperatures are within range. This typically causes C2 to appear without an obvious heat source and requires sensor testing and replacement.

  5. 05

    Defective control board

    Part replacement

    The main control board processes temperature sensor data and manages thermal shutoff logic. A board that has sustained heat damage or component failure may misinterpret sensor signals and trigger C2 persistently, even after the unit has fully cooled.

See the test procedure for each cause

Frequently asked questions about c2

What does c2 mean on a KitchenAid cooktop?
The C2 code indicates an inductor temperature failure, meaning a surface cooking zone has overheated and the cooktop has shut down as a safety precaution. The control board detected temperatures beyond the safe limit for the inductor assembly. Turning the unit off and allowing it to cool for at least 5 minutes is the first step toward clearing the error.
How do I fix the C2 error on my KitchenAid induction cooktop?
Start by turning the cooktop off completely and letting it cool for 5 minutes before powering it back on. Check that the ventilation openings are clear of debris and that there is adequate clearance around the unit. If the error returns quickly during use, inspect the internal cooling fan for proper operation and check the temperature sensor for accurate readings. Persistent C2 codes after these steps may point to a failed fan motor, a defective thermistor, or a faulty control board.
Will resetting the cooktop clear the C2 error code?
A thermal reset, turning the cooktop off and waiting 5 minutes before restarting, will often clear C2 if the unit genuinely overheated during a demanding cooking session. However, if the underlying cause is a failed cooling fan, a faulty temperature sensor, or a defective control board, the code will return once the cooktop reaches operating temperature again. A reset that does not hold is a strong indicator that a component needs inspection or replacement.
Is it safe to keep using my KitchenAid cooktop when the C2 code appears?
No, you should not continue cooking when C2 is active. The cooktop has detected an overtemperature condition and has shut down to prevent damage to the inductor, electronics, or glass surface. Attempting to override or ignore the error could result in further component damage. Allow the unit to cool fully before attempting to restart, and investigate any recurring C2 errors before using the cooktop again.
How much does it cost to repair a KitchenAid cooktop showing a C2 error?
Repair costs vary depending on the faulty component. If the issue is simply blocked ventilation or an overheating condition from heavy use, there may be no parts cost at all. Replacing a cooling fan motor typically runs in the range of $50 to $150 for the part, plus labor if a technician is involved. A thermistor or temperature sensor is generally a lower-cost part, often $20 to $80, while a control board replacement is the most expensive scenario, often ranging from $150 to $400 or more for the part alone.

Related KitchenAid cooktop codes

All KitchenAid cooktop codes
View all 38 KitchenAid cooktop codes

78,000+ service manuals · 160,000+ error codes · 55+ brands

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass