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Error code reference

KitchenAid Oven Error Code F3-E0

Temperature sensor opened

KitchenAid codesKitchenAid oven codes

Temperature sensor opened – R=2875 ohm (by spec).

First step from the service manual

Check sensor connection.

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

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What F3-E0 means on a KitchenAid oven

The F3-E0 error code indicates the oven control board has detected an open circuit in the oven temperature sensor (RTD sensor) circuit. An open circuit means the electrical path through the sensor has been interrupted entirely, either at the sensor itself, in the wiring harness connecting it to the control board, or at the connector terminals. The control board continuously monitors sensor resistance to track oven temperature; when it reads an open circuit instead of a valid resistance value, it faults out and displays F3-E0.

In plain terms, your oven has a small probe inside the cavity that measures temperature by changing its electrical resistance as it heats up. At room temperature (around 70°F), this sensor should measure approximately 1080 ohms of resistance. Your oven's computer is reporting that it cannot get any reading at all from this probe, which means it has no way to regulate or even monitor the oven temperature. This is why the oven will not operate normally with this fault active.

The most common causes are a loose or corroded connector at the sensor or control board, a broken wire in the harness, or a failed sensor element. Less commonly, a welded relay on the control board can produce similar symptoms after the sensor and wiring have been verified as good.

Source: manufacturer service documentation.

Common causes of F3-E0

  1. 01

    Disconnected or corroded sensor connector

    Wiring / connection

    The wiring harness connector at the temperature sensor or control board has come loose, corroded, or partially pulled out, breaking the circuit. This is the first thing to check because it requires no parts and is a frequent cause of open-circuit faults.

  2. 02

    Failed oven temperature sensor (RTD)

    Part replacement

    The sensor element itself has internally broken open, producing infinite resistance instead of the expected ~1080 ohms at 70°F. A multimeter reading of OL or infinite resistance at the sensor terminals confirms the sensor has failed and must be replaced.

  3. 03

    Broken or damaged wiring harness

    Part replacement

    A wire in the harness between the temperature sensor and the control board has broken, chafed through insulation and shorted to ground, or burned through near the oven cavity. Visual inspection of the harness routing and continuity testing will identify the break.

  4. 04

    Welded-closed relay on the control board

    Part replacement

    If sensor resistance and all wiring connections test correctly, a relay on the control board may have welded shut, causing the board to misread the sensor circuit. This is the least likely cause and should only be suspected after the sensor and harness are confirmed good.

See the test procedure for each cause

Frequently asked questions about F3-E0

What does F3-E0 mean on a KitchenAid oven?
F3-E0 means the control board detected an open circuit in the oven temperature sensor. The sensor, also called an RTD probe, should measure around 1080 ohms at room temperature. An open circuit means the board is reading no resistance at all, typically caused by a failed sensor, a loose connector, or a broken wire in the harness.
How do I fix F3-E0 on a KitchenAid oven?
Start by unplugging the oven and checking the sensor connector at both the probe and the control board for looseness or corrosion. Then use a multimeter to measure resistance at the sensor terminals: a healthy sensor reads approximately 1080 ohms at 70°F, increasing by about 2 ohms per degree. If you read OL or infinite resistance, replace the temperature sensor. If the sensor reads correctly and connections are secure, the control board may have a welded relay and will need professional evaluation or replacement.
Is it safe to use my KitchenAid oven when F3-E0 is showing?
No. With F3-E0 active, the control board has no reliable temperature data and cannot regulate oven heat. Operating the oven in this state risks overheating the cavity with no automatic cutoff based on temperature feedback. Do not use the oven until the sensor circuit fault is resolved.
How much does it cost to repair a KitchenAid oven F3-E0 error?
A replacement oven temperature sensor typically costs $20 to $60 in parts and takes about 15 to 30 minutes to swap out, making it a manageable DIY repair. If the wiring harness is damaged, harness repair or replacement adds parts cost and complexity. A control board replacement, needed only if the sensor and wiring are both confirmed good, generally runs $150 to $350 in parts alone, plus labor if professionally installed.
Can I test the temperature sensor myself before buying a new one for F3-E0?
Yes. Disconnect the oven from power, pull the sensor out from inside the oven cavity (usually two screws), and disconnect the harness plug. Set a multimeter to the ohms setting and measure resistance across the two sensor terminals. At room temperature near 70°F, a good sensor reads close to 1080 ohms. If your reading is OL, infinite, or far outside this range, the sensor has failed and should be replaced. If the reading is in range, the problem is likely in the wiring or at the control board.

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