F3E2Medium
KitchenAid dishwasher error F3E2
KitchenAid dishwasher error F3E2 means the thermistor/OWI sensor is shorted. That sensor reads both the water temperature and how dirty the water is.
Also shows as 3-2, F3 E2
Symptom
F3E2
Free checks
2 checks
Most likely cause
The thermistor or OWI sensor has failed
The 2 free checks
Start at the top. Unplug the machine first.
- 01
Unplug the dishwasher, then check the wiring between the electronic control board and the thermistor/OWI sensor.
- 02
Cut power for 30 seconds, restore it, and see whether the code returns.
What causes it
Listed most likely first.
| Cause | How often | DIY |
|---|---|---|
| The thermistor or OWI sensor has failed | Most common | Call a pro |
| Broken wiring between the control board and the thermistor/OWI sensor | Common | Call a pro |
If none of that fixed it
If the code comes back after the reset, KitchenAid says to schedule service rather than to keep going.