What's Happening

The main control board and display board can't communicate. A loose ribbon cable is the most common cause.

How to Fix It

Unplug for 5 minutes. Check the ribbon cable between boards. If wiring is secure, one of the boards needs replacement.

Frequently Asked Questions
What does CF mean on a Maytag fridge?
CF means the main board and display board lost communication. The display may go blank or flash.
Can a loose cable cause CF?
Yes. The ribbon cable between boards is the most common cause. Check it before replacing any boards.
Will my Maytag fridge still cool with CF?
It may cool, but you can't adjust settings. Get it fixed promptly.
Maytag Refrigerator Error Code CF — Cause, Fix & Parts | DecodeAppliance | DecodeAppliance