What's Happening

Evaporator sensor in freezer failed or out of range.

How to Fix It

Unplug for 5 minutes. Test thermistor. Replace if out of spec.

Frequently Asked Questions
What does E5 mean on a KitchenAid fridge?
E5 means the freezer evaporator sensor has failed.
Will the fridge run constantly?
Often yes, since it can't get accurate readings.
How do I test it?
Disconnect the sensor, test resistance with a multimeter.
KitchenAid Refrigerator Error Code E5 — Cause, Fix & Parts | DecodeAppliance | DecodeAppliance