What does F 03 mean when displayed on a whirlpool built in oven that is not working?

The "F03" error code on a Whirlpool built-in oven typically indicates a problem with the oven's temperature sensor or the control board. This error can occur due to a short circuit in the temperature sensor or a malfunction in the control system. To resolve the issue, it's advisable to check the sensor's connections and replace it if necessary, or consult a professional technician for further diagnostics and repairs.