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Error code reference

KitchenAid Cooktop Error Code F03

One or more keys permanently pressed on the touch control surface.

KitchenAid codesKitchenAid cooktop codes

One or more keys permanently pressed on the touch control surface.

First step from the service manual

Clean the glass surface and remove all objects placed on it.

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

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What F03 means on a KitchenAid cooktop

The F03 error code on a KitchenAid cooktop indicates that one or more keys on the touch control surface are being detected as continuously and permanently pressed. The touch control system relies on capacitive sensing to register deliberate key presses. When the control board reads a sustained activation signal from any key zone that exceeds the expected threshold duration, it interprets this as a stuck key condition and triggers F03 to alert the user and halt normal operation. This is a protective function designed to prevent unintended heating cycles.

The most common trigger for this fault is a physical obstruction on the glass surface. Spills, grease films, pooled water, or small objects resting on or near a touch key can simulate a continuous press. The glass itself acts as part of the capacitive sensing interface, so any conductive or semi-conductive material sitting on it can create a false signal. This is why the first diagnostic step is always to clean the glass thoroughly and confirm nothing is contacting the control zone.

If cleaning does not resolve the fault, the issue may originate within the touch control panel assembly itself. Moisture ingress beneath the glass, a cracked or delaminated touch membrane, or a failed control board can all produce a persistent key activation signal. In these cases, the component generating the false signal must be identified and replaced. Inspecting the underside of the cooktop glass and the ribbon cable connections to the control board are logical next steps after ruling out surface contamination.

Source: manufacturer service documentation.

Common causes of F03

  1. 01

    Spill or liquid on the touch surface

    Wiring / connection

    Food residue, grease, or pooled liquid on or near the touch control keys can simulate a continuous key press. Inspect the glass surface closely and clean it completely with a suitable glass cleaner before retesting.

  2. 02

    Object resting on a control key

    Wiring / connection

    A pot lid, utensil, or any other item placed on or near the touch control zone can hold a key in the activated state. Remove all objects from the cooktop surface and check if the error clears.

  3. 03

    Moisture trapped beneath the glass

    Wiring / connection

    Steam or cleaning liquid that has seeped under the glass surface can cause one or more capacitive key zones to register as permanently active. This may require drying time or professional disassembly to address fully.

  4. 04

    Damaged or delaminated touch control panel

    Part replacement

    Physical damage, cracking, or delamination of the touch membrane layer beneath the glass can cause a key zone to short internally and trigger F03 persistently. The touch panel assembly would need replacement.

  5. 05

    Failed control board

    Part replacement

    If the control board is misreading input signals due to an internal component failure, it may generate a false stuck-key condition even when the glass surface is clean and undamaged. Replacing the control board would be required.

See the test procedure for each cause

Frequently asked questions about F03

What does F03 mean on a KitchenAid cooktop?
F03 means the cooktop has detected one or more touch control keys that appear to be permanently pressed. The control system monitors key activation duration and flags this error when a key signal does not release within normal parameters. It is a protective code that prevents unintended operation. Cleaning the glass surface and removing any objects from the control area is the first step to clearing it.
How do I fix the F03 error on my KitchenAid cooktop?
Start by turning the cooktop off and thoroughly cleaning the entire glass surface, paying close attention to the touch control key area. Remove any spills, grease films, or moisture. If the error returns after cleaning, inspect for objects resting on the control zone and ensure no liquid has seeped beneath the glass. Persistent F03 errors that do not respond to cleaning may indicate a damaged touch panel or control board that requires professional diagnosis.
Is it safe to use my KitchenAid cooktop when F03 is displayed?
No, you should not attempt to operate the cooktop while F03 is active. The error indicates an abnormal condition in the touch control system, and the cooktop may behave unpredictably. Resolve the underlying cause before resuming use to avoid any risk of unintended heating.
Will resetting my KitchenAid cooktop clear the F03 error?
A power reset by switching off the circuit breaker for 30 to 60 seconds may temporarily clear the error, but it will return if the root cause is not addressed. If a spill or object was the cause, cleaning the surface before restoring power gives the best chance of a lasting resolution. Resets alone will not fix a damaged touch panel or control board.
How much does it cost to repair a KitchenAid cooktop showing F03?
If the issue is simply a surface contaminant, there is no parts cost involved. If the touch control panel assembly needs replacement, parts and labor costs typically range from $150 to $400 depending on the specific model and service rates in your area. A failed control board replacement can range from $200 to $500 or more, including labor. Getting a diagnostic service call before ordering parts is recommended to confirm which component is at fault.

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