CF Moderate Easy DIY

Maytag Refrigerator CF — Communication Failure (UI to Main)

Maytag Refrigerator · Error code CF

What CF Means

User interface has lost communication with the main control board. Functions may continue at last-known setpoints.

Symptoms

  • CF on display
  • Touch pad delayed or unresponsive
  • Display blanks intermittently

Common Causes

1
Loose harness at main board

Connector vibrated loose.

2
Pinched door harness

Door hinge crushed the UI harness.

3
Failed UI board

Display board lost transceiver.

4
Failed main control

Main board communication chip failed.

How to Fix It

  1. Unplug 5 minutes and restore power.
  2. If CF returns, access the main control (rear top cover).
  3. Reseat the UI ribbon/connector at the main board.
  4. Inspect the door hinge harness pass-through for damage.
  5. Replace UI board first (less expensive); if no change, replace main control.

More Maytag Refrigerator Codes

5uL 5uL — Sound Level Setting dE dE — Defrost System Error ER ER — General Error / Sensor Fault F1E1 F1E1 — Main Control Board Failure F2E1 F2E1 — Dispenser UI Communication Error F4E1 F4E1 — Ice Maker / Auger Motor Fault

All Maytag codes → All refrigerator codes →

Verified against manufacturer documentation: maytag.com

Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician.