C-F1 Serious Hard — consider a tech

Samsung Oven C-F1 — EEPROM Read/Write Error

Samsung Oven · Error code C-F1

What C-F1 Means

The main control board can't read from or write to its onboard memory (EEPROM). The board has lost its calibration or configuration data.

Symptoms

  • C-F1 displayed at power-up
  • Settings won't save
  • Oven won't accept cook commands
  • Code returns immediately after reset

Common Causes

1
Corrupted EEPROM data

Memory data corrupted by a brownout or surge.

2
Failed EEPROM chip

Hardware failure on the main PCB.

3
Main control board failure

Broader board fault preventing memory access.

How to Fix It

  1. Power-cycle the oven at the breaker for 5+ minutes.
  2. If the code clears but returns, the EEPROM is failing — this isn't a field-serviceable repair.
  3. Replace the main control board.
  4. Confirm incoming voltage is steady (consider a surge protector for the appliance circuit if surges are recurring).

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 oven main control board View on Amazon→

More Samsung Oven Codes

---- ---- — Invalid Temperature Setting -dC- -dC- — Flex Duo Divider Installed in Single Mode -dE- -dE- — Flex Duo Divider Not Installed bAd LinE Range bAd LinE — Power Connection Error bAd LinE bAd LinE — Bad Power Connection C-10 Range C-10 — Temperature Sensor Reading Error

All Samsung codes → All oven codes →

Verified against manufacturer documentation: appliancemode.com

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