What does error code C-F0 mean on a Samsung ovens & ranges?

Main and sub control board communication failure Disconnected wire harness; Loose connector; Outdated software version

How do I fix error code C-F0 on a Samsung ovens & ranges?

1. undefined: Check wire harness at Main PBA CN600 and Sub PBA CNS200 2. undefined: Verify harness is completely connected 3. undefined: Check Main-Sub PBA software version via HASS

Samsung Ovens & Ranges2020–present

Error Code C-F0

Main and sub control board communication failure

Critical

Stop using immediately - risk of damage or safety issue

Also displayed as: C-F0

What This Means

Disconnected wire harness; Loose connector; Outdated software version

What actually causes this:

The cable between the main and sub control boards is loose or disconnected

First Thing to Check

Visually inspect the ribbon cable between Main PCB and Sub PCB

Parts Involved

Main PCB (CN600)Sub PCB (CNS200)Communication harness

How to Fix

1
Check wire harness at Main PBA CN600 and Sub PBA CNS200
2
Verify harness is completely connected
3
Check Main-Sub PBA software version via HASS

This Error Applies To

Samsung DOB30P977D Series Ovens & Ranges (2020) (2020–present)

Service manual exact match: DOB30P977DSService manual exact match: NV51M9770DS

Related Error Codes

C-21

Oven temperature control failure causing excessive heating

C-23

Temperature probe sensor short circuit detected

C-70

Steam temperature sensor open circuit detected

C-72

Drain pump failure or water sensor malfunction in steam system

C-d0

A control button is stuck in pressed position

C-A2

Cooling fan motor failure

C-30

PCB internal temperature sensor open circuit

C-71

Steam temperature sensor short circuit

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