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C-20

Temperature sensor malfunction

C-20 is one of Samsung's oven sensor malfunction codes.

What this code means

C-20 is one of Samsung's oven sensor malfunction codes.

Possible causes

  • Temperature sensor fault
  • Sensor circuit or wiring issue
  • Temporary control fault

Common symptoms

  • C-20 displayed
  • Oven operation may be interrupted

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 code returns

Safety

  • Do not access internal oven wiring or sensors unless competent and the appliance is safely isolated.

Model notes

Samsung groups C-20, C-21 and C-22 as sensor malfunction codes.