Kitchenaid Dishwasher Error Code 3-2 or F3E2

rror code 3-2 or F3E2 on your KitchenAid dishwasher indicates a shorted thermistor or Optical Water Indicator (OWI) sensor. The thermistor/OWI sensor plays a crucial role in monitoring and regulating the water temperature during the dishwasher’s operation. A short circuit or malfunction in this component triggers the error.

1. Shorted Thermistor/OWI Sensor: Electrical issues or damage may cause a short circuit in the thermistor or OWI sensor.
2. Faulty Wiring: The wiring between the electronic control board and the thermistor/OWI sensor may be broken or damaged.

Troubleshooting Steps:

1. Unplug the Dishwasher:
   • Ensure the dishwasher is unplugged or disconnected from the power source to ensure safety during the troubleshooting process.
2. Inspect Wiring:
   • Carefully examine the wiring connecting the electronic control board to the thermistor/OWI sensor.
   • Look for any visible signs of damage, such as frayed wires or loose connections.
3. Repair or Replace Wire Harness:
   • If the wiring is damaged, repair or replace the wire harness. Use electrical tape for minor repairs, or replace the entire harness if necessary.
   • Ensure all connections are secure and properly insulated.
4. Check Thermistor/OWI Sensor:
   • If the wiring is intact, focus on the thermistor/OWI sensor.
   • Test the sensor for continuity using a multimeter. A lack of continuity indicates a faulty sensor.
5. Replace the Thermistor/OWI Sensor:
   • If the thermistor/OWI sensor is found to be faulty, replace it with a new, compatible component.
   • Ensure the replacement part is specifically designed for your KitchenAid dishwasher model.
6. Reconnect and Test:
   • After addressing the issues, reconnect the dishwasher to the power source.
   • Run a test cycle to check if the error code persists.