KitchenAid Range Error Code F3 E5

F3 E5 indicates that the lower oven temperature sensor circuit has detected a short condition. The control board monitors the sensor's resistance to regulate oven temperature, and a shorted circuit produces an invalid reading. The range displays this code and disables the lower oven to prevent unsafe operation. The cause is typically a failed sensor probe, damaged wiring, or a faulty connector.

You should not attempt to use the lower oven while this code is active. Because the control board cannot accurately read the oven temperature, it cannot regulate heat properly, which creates a risk of overheating. The upper oven, if your range has a separate cavity, may still function depending on your model. Resolve the fault before resuming lower oven use.

If the repair only requires a new lower oven temperature sensor, parts typically cost in the range of $20 to $60 depending on the model, making it one of the more affordable fixes. If wiring harness repair or control board replacement is needed, total costs including parts and labor can range from $150 to $400 or more. Getting a diagnostic inspection from a qualified technician can help identify the exact cause before committing to parts.

Many homeowners and DIYers can resolve this code by unplugging the range, removing the back panel, and checking that the lower oven sensor connector is fully seated. If the connector is secure, testing the sensor with a multimeter and replacing it if faulty is a straightforward repair. Wiring damage is more involved but still manageable with basic electrical skills. Always unplug the range before accessing any internal components.

A reset, such as unplugging the range for a few minutes, may temporarily clear the code, but it will return as soon as the control board re-checks the sensor circuit if the underlying fault is still present. A reset is useful as a first step to rule out a transient glitch, but a persistent F3 E5 code requires physical inspection and likely component repair or replacement.