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Error code reference

KitchenAid Cooktop Error Code C-82

Over temperature

Over temperature — cooktop has exceeded safe operating temperature due to insufficient ventilation.

First step from the service manual

Check the cooktop installation according to the Installation Instructions, in particular check the blower intakes.

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

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What C-82 means on a KitchenAid cooktop

The C-82 error code on a KitchenAid cooktop indicates an over-temperature condition, meaning the cooktop's internal thermal monitoring system has detected temperatures that exceed the safe operating threshold. This is a protective fault designed to prevent heat damage to the cooktop's electronics, surface components, or surrounding cabinetry. The cooktop uses thermal sensors to continuously monitor internal temperatures, and when those sensors register an unsafe level, the unit triggers C-82 and typically shuts down or restricts operation to prevent further heat buildup.

The root cause of C-82 is insufficient ventilation around the cooktop. Unlike a component failure error, this code points directly to an airflow and installation problem. Cooktops with integrated or downdraft blower systems rely on specific intake and exhaust pathways to keep internal temperatures within acceptable limits. If those blower intakes are blocked, restricted, or improperly installed, heat accumulates in the cavity beneath or around the cooktop and triggers the thermal fault.

The primary diagnostic starting point is a thorough review of the cooktop's installation against the original Installation Instructions, with particular attention to the blower intake locations. Common culprits include objects or debris blocking the intake grilles, incorrect clearances between the cooktop and surrounding cabinetry, and ductwork that is improperly routed or undersized. Resolving C-82 almost always requires correcting the physical installation or clearing the obstruction before the unit will return to normal operation.

Source: manufacturer service documentation.

Common causes of C-82

  1. 01

    Blocked blower intakes

    Wiring / connection

    Debris, grease buildup, or objects placed near the cooktop can physically block the blower intake openings, preventing adequate airflow through the unit. Inspect all intake grille locations identified in the installation instructions and clear any obstructions.

  2. 02

    Incorrect installation clearances

    Wiring / connection

    If the cooktop was installed without the required spacing from surrounding cabinetry or countertop cutout walls, airflow to the internal components can be severely restricted. Measure all clearances against the installation specification and reposition if needed.

  3. 03

    Improper or obstructed ductwork

    Wiring / connection

    Downdraft and ventilation systems depend on properly routed duct runs with adequate diameter and minimal bends. A kinked, undersized, or blocked duct will reduce blower effectiveness and allow heat to build up internally.

  4. 04

    Blower motor failure

    Part replacement

    If the blower motor is not running at the correct speed or has failed entirely, the cooktop cannot move enough air to stay within safe temperature limits. Listen for unusual noise or lack of airflow at the exhaust outlet when the blower is activated.

  5. 05

    Faulty thermal sensor

    Part replacement

    In some cases the thermal sensor itself may be triggering C-82 prematurely even when ventilation is adequate. This is less common than installation issues but should be considered if all airflow conditions check out correctly.

See the test procedure for each cause

Frequently asked questions about C-82

What does C-82 mean on a KitchenAid cooktop?
C-82 is an over-temperature fault indicating the cooktop has exceeded its safe internal operating temperature due to insufficient ventilation. The cooktop's thermal protection system triggers this code to prevent damage to internal components and surrounding surfaces. It is not a random glitch but a signal that the unit is not getting the airflow it needs to operate safely.
How do I fix a C-82 error on my KitchenAid cooktop?
Start by reviewing the original installation instructions and checking all blower intake locations for blockages, debris, or grease buildup. Verify that all required clearances between the cooktop and surrounding cabinetry are met. If the installation checks out, inspect the ductwork for kinks or obstructions, and confirm the blower motor is functioning correctly. Clearing the airflow restriction is the required fix before the cooktop will operate normally.
Is it safe to keep using my cooktop when C-82 is displayed?
No, you should not continue operating the cooktop while C-82 is active. The error indicates the unit has already reached or exceeded safe temperature limits, and continued use under those conditions risks damage to internal electronics, the cooktop surface, or nearby cabinetry. Allow the unit to cool completely and resolve the ventilation issue before resuming use.
Will resetting the cooktop clear the C-82 error?
A reset may temporarily clear the fault display, but C-82 will return if the underlying ventilation problem has not been corrected. Because the error is triggered by a real thermal condition rather than a software glitch, the sensor will detect the over-temperature state again as soon as the cooktop heats up under restricted airflow. Fix the installation or airflow issue first, then reset.
How much does it cost to repair a C-82 error on a KitchenAid cooktop?
If the fix is simply clearing blocked intakes or adjusting installation clearances, the cost can be minimal, often just the time needed to inspect and correct the setup. If the ductwork needs rerouting or a new duct run, materials and labor could range from roughly $100 to $300 or more depending on complexity. If a blower motor or thermal sensor requires replacement, parts and labor typically range from $150 to $450 depending on the specific component and local labor rates.

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