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C-F0

Main and sub control communication fault

C-F0 indicates a communication problem between the main PCB and sub PCB.

What this code means

C-F0 indicates a communication problem between the main PCB and sub PCB.

Possible causes

  • Communication fault between control boards
  • Temporary electronic control error

Common symptoms

  • C-F0 displayed
  • Oven may stop responding or operating normally

Checks to make

  1. Turn the oven off and restart it
  2. If the problem continues, isolate power for at least 30 seconds and reconnect
  3. Arrange service if the fault persists

Safety

  • Internal electronic diagnosis should be carried out with the appliance safely isolated and by a competent person.

Model notes

Samsung describes C-F0 as loss of communication between the main and sub PCB.