What's Happening

Inlet drum thermistor failed.

How to Fix It

Test with multimeter. Replace if out of range.

Frequently Asked Questions
What does F3E1 mean on a KitchenAid dryer?
F3E1 means the inlet thermistor has failed.
Where is it?
On or near the blower housing, monitoring air entering the drum.
Is it the same as F3E3?
No. F3E1 is inlet, F3E3 is exhaust. Different sensors.
KitchenAid Dryer Error Code F3E1 — Cause, Fix & Parts | DecodeAppliance | DecodeAppliance