C-F0 Moderate Moderate DIY

Samsung Microwave C-F0 — Communication Error

Samsung Microwave · Error code C-F0

What C-F0 Means

C-F0 (C-F1/C-F2) means a communication error between the control board and another component.

Symptoms

  • Erratic operation or no response
  • C-F0 on the display

Common Causes

1
Harness/connector fault

A loose or damaged connector between boards.

2
Failed control board

A board has lost communication.

How to Fix It

  1. Unplug for a minute to reset.
  2. If C-F0 returns, inspect the inter-board connectors; control-board service may be needed.

Parts You May Need

If diagnosis points to a failed part, these are the common replacements. As an Amazon Associate we earn from qualifying purchases.

Common replacement Samsung Microwave Control Board View on Amazon→

More Samsung Microwave Codes

-dr- -dr- — Door Open (Demo / Reminder) 5E 5E / SE — Touchpad Shorted (Older Spelling) C-21 C-21 — Cavity Over-Temperature C-22 C-22 — Cavity Thermistor Open C-A0 C-A0 — Communication Error Between Boards C-A1 C-A1 — Humidity Sensor Open Circuit

All Samsung codes → All microwave codes →

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