Per the suggestion to the question Samsung RF266 refrigerator not cooling - Fan making noise I completely defrosted the refrigerator. The issue went away for a few days, but re-surfaced again. So I decided to disassemble to refrigerator understand the root cause of the problem. Yes there is Ice build up. Here are some images.

Ice Buildup Image 1

As you see in the image below. There is a good amount of ice buildup.

enter image description here

What are any suggestion to try fixing the issue? How can one test to verify if the fan is still working.

  • Can you operate the fridge with the covers off after the ice melts? It should be apparent if the fan is working or slipping on the shaft. – JPhi1618 Oct 30 '17 at 15:55
  • @JPhi1618, what I observed is when the door is open the fan stops. I know this because when the ice was present the fan noise is present (doors closed) and when the door is opened the fan stops. Do you know how I can force the fan to operate when the door is open? – user8055 Oct 30 '17 at 16:07
  • If there is not a lever on the door that pushes a physical switch, there is a magnetic reed switch in the door frame somewhere. A magnet in the right location would make it think the door was closed (you might have to flip the magnet - north/south could make a difference). – JPhi1618 Oct 30 '17 at 16:09

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