C-F0

Main and sub control communication fault

C-F0 indicates loss of communication between the microwave's main and sub control processors.

What this code means

C-F0 indicates loss of communication between the microwave's main and sub control processors.

Possible causes

  • Internal communication fault
  • Control board or connection problem

Common symptoms

  • C-F0 displayed
  • Microwave may stop or become unresponsive

Checks to make

  1. Unplug the microwave from the mains
  2. Contact Samsung service if the code is present

Safety

  • Do not remove the microwave cabinet. Internal high-voltage components can remain dangerous after disconnection.

Model notes

Samsung also lists E-83 as an equivalent information code on some models.