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Error code reference

KitchenAid Oven Error Code F63

Lower oven heating element failure or oven sensor failure

KitchenAid codesKitchenAid oven codes

Lower oven heating element failure or oven sensor failure — oven not heating properly.

First step from the service manual

Check oven heating elements (bake, broil, convection) resistance values and oven sensor.

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

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  • 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
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What F63 means on a KitchenAid oven

The F63 error code on a KitchenAid oven indicates a failure detected in the lower oven heating system, specifically pointing to either a faulty heating element (bake, broil, or convection) or a failed oven temperature sensor. The control board monitors the oven's heating circuit continuously. When it detects an open circuit, abnormal resistance reading, or an out-of-range signal from the sensor, it sets the F63 code and shuts down heating to prevent damage or unsafe operation.

Diagnosing F63 begins with resistance testing of each heating element. A healthy bake element typically reads between 15 and 30 ohms, while a broil element will read in a similar range depending on wattage. An open circuit, indicated by an infinite or OL reading on a multimeter, confirms a burned-out element. The oven temperature sensor (RTD probe) should read approximately 1080 to 1090 ohms at room temperature (around 70 degrees Fahrenheit). A reading significantly outside that range, or an open circuit on the sensor circuit, points to sensor failure.

Visual inspection can sometimes identify a failed bake or broil element by looking for burn marks, blistering, or a visible break in the coil. However, convection elements and sensors can fail without visible damage, making resistance testing essential. Wiring harness connections between the control board and the heating components should also be checked for corrosion, loose terminals, or heat damage, as connection faults can produce the same F63 condition even when the components themselves test within spec.

Source: manufacturer service documentation.

Common causes of F63

  1. 01

    Burned-out bake element

    Part replacement

    The lower bake element is the most frequently failed component associated with F63. A broken or open-circuit element will show an infinite resistance reading on a multimeter and may have visible burn marks or breaks.

  2. 02

    Failed oven temperature sensor

    Part replacement

    The RTD temperature sensor should measure approximately 1080 to 1090 ohms at room temperature. A reading far outside this range or an open circuit on the sensor leads indicates the probe has failed and needs replacement.

  3. 03

    Burned-out broil element

    Part replacement

    The upper broil element can fail open and trigger this fault code. Testing with a multimeter for an open circuit or infinite resistance confirms a failed broil element, even if no visible damage is present.

  4. 04

    Faulty convection heating element

    Part replacement

    In models equipped with convection, the convection element can fail and contribute to an F63 code. Like other elements, a failed convection element will read open on a resistance test.

  5. 05

    Loose or corroded wiring connections

    Wiring / connection

    Damaged, loose, or corroded terminals in the harness connecting the heating elements or sensor to the control board can interrupt the circuit and trigger F63 without any component actually being defective. Inspect all connectors at the element terminals and sensor plug.

See the test procedure for each cause

Frequently asked questions about F63

What does F63 mean on a KitchenAid oven?
F63 on a KitchenAid oven indicates that the control board has detected a failure in the lower oven heating system. This fault covers the bake element, broil element, convection element, and the oven temperature sensor. The oven disables heating when this code appears to prevent unsafe operation. Resistance testing of each component is needed to pinpoint the exact cause.
Can I fix an F63 error on my KitchenAid oven myself?
A confident DIYer with basic electrical knowledge can diagnose and repair F63 in many cases. Testing elements and the temperature sensor requires only a multimeter and the ability to safely disconnect power to the appliance. Replacing a bake or broil element is generally straightforward, but working inside the oven cavity near wiring should always be done with the unit completely unplugged from power.
Is it safe to use my KitchenAid oven when F63 is displayed?
You should not attempt to use the oven while F63 is active. The code indicates the heating system is not functioning correctly, and the oven will not heat to the correct temperature. Continuing to run the appliance in this condition could worsen an existing fault or create a safety hazard. Power the oven off until the cause is diagnosed and repaired.
How much does it cost to repair an F63 error on a KitchenAid oven?
Repair costs depend on which component has failed. A replacement bake or broil element typically costs between $20 and $80 for the part, while an oven temperature sensor generally runs between $15 and $50. If a professional technician is needed, labor charges will add to the total, bringing a typical repair to somewhere between $100 and $300 depending on your location and the specific component replaced.
Will resetting my KitchenAid oven clear the F63 error code?
Resetting the oven by cutting power at the breaker for several minutes may temporarily clear the F63 code, but the fault will return as soon as the control board detects the same problem again. A reset does not fix the underlying hardware failure. The heating elements and temperature sensor must be tested and any defective component replaced before the error will stop appearing.

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