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How do I fix my Samsung refrigerator error code 40 C?

Alton Alexander
By Alton AlexanderUpdated on June 4th, 2022

This error code indicates that the refrigerator is not cooling properly. The refrigerator may be too warm or the freezer may be too cold. This can be caused by a problem with the thermostat, the compressor, or the evaporator.

1. Check the condenser coils to see if they are dirty

To check the condenser coils on a Samsung refrigerator, turn it off, unplug it, and remove the front panel. Look at the coils and see if they are dirty. If they are, use a can of compressed air to clean them. Replace the front panel and turn the refrigerator back on.

2. Make sure that the fridge is not overfilled

It is possible that the fridge is overfilled if there is food or beverages spilling out of the doors and/or the shelves. You can check to see if the fridge is overfilled by looking at the shelves and doors for any food or beverage spills. If there are any, then the fridge may be overfilled and need to be fixed.

3. Check the door gasket to see if it is damaged or needs to be replaced

  1. Open the refrigerator door and check the condition of the door gasket. If it is damaged, replace it.
  2. Check the insulation around the door hinges. If it is damaged, replace it.
  3. Check the door seals at the top and bottom of the door. If they are damaged, replace them.
  4. Check the door hinges. If they are damaged, replace them.
  5. Check the door seals at the top and bottom of the door. If they are damaged, replace them.
  6. Check the door hinges. If they are damaged, replace them.
  7. Check the door seals at the top and bottom of the door. If they are damaged, replace them.
  8. Check the door hinges. If they are damaged, replace them.
  9. Check the door gasket. If it is damaged, replace it.

4. Adjust the fridge thermostat to a lower setting

The steps to adjust the fridge thermostat to a lower setting in order to fix Samsung refrigerator error code 40 c are as follows:

  1. Open the refrigerator door.
  2. locate the thermostat on the refrigerator.
  3. set the desired temperature using the up and down arrows.
  4. close the refrigerator door.
  5. wait a few minutes for the refrigerator to cool down before checking the error code.

5. If the fridge is still not cooling properly, call a technician

The technician will inspect the refrigerator and may find that it needs to be replaced.