Error code reference

Samsung Refrigerator Error Code O-FF

Cooling Off mode active

Cooling Off mode active - compressor and door open alarm are disabled, display blinks O-FF on temperature setting display.

First step from the service manual

Press Lighting Key + Freezer Key + Fridge Key simultaneously for 5 seconds to cancel Cooling Off mode.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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  • Step-by-step tests with expected resistance, voltage, and continuity values
  • Wiring diagram references and connector pinouts from the OEM service manual
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