What's Happening

Main board and interface can't communicate.

How to Fix It

Check ribbon cable. Replace interface first if cable is secure.

Frequently Asked Questions
What does F6E2 mean on a KitchenAid dryer?
F6E2 means the boards lost communication.
Which board fails more often?
The user interface board. Try replacing it first.
Can a loose cable cause it?
Yes. Check the ribbon cable connection first.