Samsung Ovens & Ranges2020–present

Error Code C-F0

Main and Sub processor communication link failure

Critical

Stop using immediately - risk of damage or safety issue

Also displayed as: C-F0

What This Means

Disconnected wire harness between Main and Sub PCB; Outdated software version on Main or Sub PCB; Loose connector at CN600 (Main) or CNS200 (Sub)

What actually causes this:

Loose harness connector, damaged wiring, or incompatible firmware versions

First Thing to Check

Verify wire harness connected between Main and Sub PCB; check HASS software version

Parts Involved

Wire harnessMain PCBSub PCB

How to Fix

  1. 1

    Check wire harness connection at Main PBA CN600 and SUB PBA CNS200

  2. 2

    Verify wire harness is completely connected

  3. 3

    Check Main-Sub PCB software version via HASS

  4. 4

    Determine if software is latest version

This Error Applies To

Samsung NV51M9770S Series Ovens & Ranges (2020) (2020–present)

Service manual exact match: NV51M9770SSService manual exact match: DOB30P977SS

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