KitchenAid Dishwasher Error Code F3: How to Fix It

Medium 30-60 minutes Medium Severity Verified June 2026
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Error Code
F3
Brand
KitchenAid
Product Type
dishwasher
Severity
Medium
DIY Difficulty
Medium
Estimated Fix Time
30-60 minutes
Error code F3 on your KitchenAid dishwasher indicates a problem with the temperature sensor circuit. This usually means the thermistor or its wiring is faulty. You can often fix it yourself by inspecting and replacing the sensor.
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Tools You'll Need

How to Fix Error Code F3

  1. Unplug and Prepare the Dishwasher

    Always disconnect power before working on the dishwasher.

  2. Locate the Temperature Sensor

  3. Check Wiring and Connections

  4. Test the Sensor with a Multimeter

    Use caution when testing electrical components.

  5. Replace the Temperature Sensor

  6. Reassemble and Test

Parts You May Need

Temperature sensor (thermistor)
Check Price on Amazon
Temperature sensor (thermistor)
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Temperature sensor (thermistor)
Check Price on Amazon
Temperature sensor (thermistor)
Check Price on Amazon
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When to Call a Professional

If the error persists after replacing the sensor and checking wiring, the control board may be defective. Contact a professional technician for further diagnostics and replacement.

Frequently Asked Questions

What does error code F3 mean on a KitchenAid dishwasher?
Error code F3 indicates a problem with the temperature sensor circuit. The dishwasher detects that the sensor or its wiring is faulty, preventing proper heating and drying.
Can I still run my KitchenAid dishwasher with error F3?
It is not recommended. The error may prevent the dishwasher from heating water, leading to poor cleaning results. Additionally, the error may cause the cycle to halt.
Where is the temperature sensor located on a KitchenAid dishwasher?
The temperature sensor is typically attached to the side wall or bottom of the dishwasher tub, near the heating element. It is a small plastic component with two wires.
How much does it cost to fix error code F3?
If you DIY, the sensor costs around $10-30. Professional repair including service call may cost $150-300.
Is error F3 the same as F3E on KitchenAid?
Yes, F3 and F3E often refer to the same temperature sensor circuit error. Some models display 'F3E' for extended error codes.

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