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Error code reference

Samsung Refrigerator Error Code O-FF

Cooling Off mode active

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What the O-FF error code actually means

Your Samsung refrigerator is in a special Demo mode that turns off the cooling system completely, which means it is not keeping your food cold or frozen. This mode is usually turned on by accident when certain buttons are pressed at the same time. You can fix this yourself by pressing three buttons on the control panel at once for 5 seconds, and the refrigerator will return to normal cooling.

Diagnostic procedure

The full O-FF procedure

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MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Press Lighting Key + Freezer Key + Fridge Key simultaneously for 5 seconds to cancel Cooling Off mode.
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Most common causes of O-FF

Ranked by how often they cause this code
  1. 1Accidental button combination press
  2. 2Child or pet interaction with control panel
  3. 3Unit previously used as a display model
  4. 4Control panel or user interface board malfunction

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Questions people ask about O-FF

What does O-FF mean on a Samsung refrigerator?
O-FF indicates that your Samsung refrigerator is in Cooling Off mode, sometimes called Demo or Shop mode. In this state, the compressor is disabled and the refrigerator is not actively cooling or freezing. The door open alarm is also turned off while this mode is active. It is not a malfunction but a deliberate operational mode that can be activated accidentally.
Will resetting the refrigerator clear the O-FF code?
A standard power reset by unplugging the unit will not reliably cancel Cooling Off mode, as the mode setting is stored in the control board and may persist after power is restored. The correct method is to use the specific three-button key sequence: Lighting Key plus Freezer Key plus Fridge Key held simultaneously for 5 seconds. This is the proper way to exit the mode.
How much does it cost to repair an O-FF code issue on a Samsung refrigerator?
In most cases there is no cost at all, since O-FF is resolved by pressing a button combination rather than replacing any parts. If the code repeatedly reactivates due to a faulty control panel or user interface board, repair costs for those components typically range from $100 to $350 depending on the specific model and whether professional labor is required.
How do I fix the O-FF code on my Samsung refrigerator?
Press and hold the Lighting Key, Freezer Key, and Fridge Key all at the same time for 5 seconds to cancel Cooling Off mode. The display should stop blinking O-FF and return to normal temperature readings. If the code returns shortly after being cancelled, inspect the control panel for stuck buttons or consider having the user interface board evaluated.
Is it safe to leave food in the refrigerator while O-FF is displayed?
No. While Cooling Off mode is active, the compressor does not run and the refrigerator interior will warm to room temperature over time. Food stored inside will not be kept at a safe temperature, increasing the risk of spoilage and foodborne illness. Remove perishable items or move them to another refrigerator until the mode is cancelled and normal cooling resumes.

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