Error Code C-F0
Main-to-Sub communication error — continuous communication failure between Main PCB and Sub PCB
Moderate
Address soon - your appliance may not work properly
What This Means
Harness disconnected between Main PCB CNS401 and Sub Display PCB CN200; Harness disconnected between Main PCB CN304 and Sub Fan Control PCB CN500; Incorrect firmware version on Main or Sub PCB
How to Fix
- 1
Disconnect power and open back cover
- 2
Check harness connection: Main CNS401 to Sub Display CN200, and Main CN304 to Sub Fan Control CN500
- 3
Verify firmware versions: Main 1204, Sub Display 1204, Sub Fan Control 1201
- 4
If harness disconnected, reconnect and retest
- 5
If firmware version mismatch, reprogram PCB
- 6
Replace the faulty PCB if issue persists
This Error Applies To
Samsung NX58K7850S Series Ovens & Ranges (2018) (2018–present)
Related Error Codes
Divider sensing information — Flex Duo divider insert or remove state mismatch
PCB sensor opened or shorted — oven sensor error at PCB side
Shorted key — keypad short circuit detected
Oven heating over — oven temperature has risen excessively, triggered at 650 F (343 C) in any cooking function except self-clean
PCB ambient temperature high — safety error
Door locking information — door lock mechanism error
BLDC motor operation information — cooling fan motor or air intake motor error
Oven sensor opened (over 2950 ohm) or oven sensor shorted (under 930 ohm)