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Error code reference

KitchenAid Cooktop Error Code F22

Key sensitivity problem.

KitchenAid codesKitchenAid cooktop codes

Key sensitivity problem.

First step from the service manual

Disconnect power for 1 minute, then reconnect power.

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

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What F22 means on a KitchenAid cooktop

The F22 error code on a KitchenAid cooktop indicates a key sensitivity problem within the touch control interface. This code is generated when the control board detects that one or more capacitive touch keys are registering outside of the acceptable sensitivity threshold. The touch control system continuously monitors each key zone for proper capacitance values, and when a key appears to be stuck, unresponsive, or triggering without contact, the control module flags the F22 fault to prevent unintended operation.

The most common trigger for this fault is contamination on the cooktop surface directly over the touch key area. Grease, liquid spills, or cleaning residue can alter the capacitance readings and cause the control board to interpret a constant or erratic signal from a key zone. In some cases, the problem is internal to the control board itself, where the sensing circuit responsible for reading key input has developed a fault.

Because the F22 code relates to signal sensitivity rather than a complete component failure, a power reset is the recommended first diagnostic step. Disconnecting power for at least one minute allows the control board to clear any temporary fault state and recalibrate key sensitivity on startup. If the error returns immediately after restoring power, further inspection of the control panel surface and the underlying control board is warranted.

Source: manufacturer service documentation.

Common causes of F22

  1. 01

    Spill or residue on touch control surface

    Wiring / connection

    Liquids, grease, or cleaning product residue over the touch key area can interfere with capacitive sensing and cause false or stuck key readings. Thoroughly cleaning and drying the control panel surface is the first physical check to perform.

  2. 02

    Stuck or physically depressed key

    Wiring / connection

    A touch key that has been mechanically deformed or is under constant physical pressure will continuously report a signal to the control board, triggering F22. Inspect the panel surface for any warping, cracking, or debris pressing against the key zone.

  3. 03

    Temporary control board fault

    Wiring / connection

    The control board can enter an erroneous fault state due to a voltage fluctuation or power interruption, causing it to misread key sensitivity values. A one-minute power disconnect allows the board to reset and recalibrate its touch sensing circuits.

  4. 04

    Faulty touch control board

    Part replacement

    If the F22 error persists after cleaning the surface and performing a power reset, the control board itself may have a failed sensing circuit for one or more key zones. Replacing the control board is typically required to resolve a hardware-level sensitivity failure.

  5. 05

    Damaged control panel overlay

    Part replacement

    A cracked or delaminated panel overlay can allow moisture to reach the sensing layer beneath, causing persistent capacitance errors. Visual inspection for cracks, bubbling, or moisture intrusion under the overlay surface can confirm this cause.

See the test procedure for each cause

Frequently asked questions about F22

What does F22 mean on a KitchenAid cooktop?
F22 indicates a key sensitivity problem in the touch control system. The cooktop's control board has detected that one or more touch keys are registering a signal outside of the expected sensitivity range. This can be caused by surface contamination, a stuck key, or a fault in the control board's sensing circuit. The first step is to disconnect power for one minute and reconnect to allow the board to reset.
Will resetting the cooktop clear the F22 error?
A power reset will clear F22 if the fault was caused by a temporary control board issue or a minor signal fluctuation. Disconnect the cooktop from power for at least one minute, then restore power and observe whether the code returns. If F22 comes back immediately or shortly after, there is likely an underlying cause such as surface contamination or a faulty control board that needs to be addressed.
How do I fix the F22 error on my KitchenAid cooktop?
Start by disconnecting power for one minute, then clean and thoroughly dry the touch control panel surface to remove any grease, liquid, or residue. Restore power and check if the error clears. If the code persists, inspect the panel overlay for damage and consider testing or replacing the control board if no physical cause is found.
Is it safe to use my KitchenAid cooktop while it is showing F22?
It is not recommended to continue using the cooktop while the F22 error is active. A key sensitivity fault means the touch controls may not respond predictably, which could result in unintended activation or the inability to turn a burner off. Resolve the fault before resuming normal use.
How much does it cost to repair a KitchenAid cooktop F22 error?
If the issue is resolved by cleaning the surface or performing a reset, there is no parts cost involved. If the control board requires replacement, parts alone typically range from $150 to $350 depending on the specific model, with additional labor costs if a technician is needed. A damaged panel overlay replacement can vary similarly depending on part availability for the model.

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