What's Happening

The water temperature/soil sensor has failed.

How to Fix It

Run the diagnostic test (tech sheet behind the lower panel). Replace the sensor.

Frequently Asked Questions
What does F3E1 mean on a KitchenAid dishwasher?
F3E1 means the temperature or soil sensor has failed.
What is an OWI sensor?
Optical Water Indicator — it measures water clarity to determine how dirty the water is and adjust cycle length.
Where's the tech sheet?
Behind the lower front toe panel. It has diagnostic test instructions for your specific model.
KitchenAid Dishwasher Error Code F3E1 — Cause, Fix & Parts | DecodeAppliance | DecodeAppliance