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C-A1

Damper position not detected

C-A1 appears when the microwave cannot detect the damper opening or closing within the expected time.

What this code means

C-A1 appears when the microwave cannot detect the damper opening or closing within the expected time.

Possible causes

  • Damper mechanism fault
  • Damper sensor or feedback fault
  • Internal control issue

Common symptoms

  • C-A1 displayed
  • Microwave may stop operating normally

Checks to make

  1. Unplug the microwave from the mains
  2. Do not attempt internal adjustment
  3. Contact Samsung service

Safety

  • Do not open the microwave cabinet. High-voltage components can retain dangerous charge even after the appliance is unplugged.

Model notes

Samsung also lists E-A1 as an equivalent code on some models.