RT21M6215SG Samsung Refrigerator

I performed the repair to my own refrigerator, after watching multiple YouTube videos. I installed a secondary heater for the defrost coils and replaced the defrost sensor. The defrost sensor was actually bad. Today, 1/27/2024 I rechecked the fix from last week. All seems to be good so far.

If I get any build up of any ice on t ... Read more he bottom tray of the recessed panel where the drain port is located. I suspect I will also need a new Defrost Heater as well. For now the refrigerator is operating as expected. There is a small amount of ice build up as of today.

Also, I had recently replaced the drain tubes, added a longer heater element part to fit the drain hole, and cleaned the fins in the back of the refrigerator. Thank you.

A couple of blogs said the freezer defrost sensor should be replaced, so I ordered one. Did not fix it. I did, however find a service manual online and one of the blog sites and it showed me how to remove the inside duct work. I discovered the fan the recirculates the air across the evaporator coil was not working. Ordered a new fan mo ... Read more tor and installed it, fridge works perfectly now.

I watched several repair videos and decided I could do this because I have been doing mechanical work for over fifty years.The videos convinced me it needed replaced it is a 2009 model I bought new. I ordered the new part from parts select it came in 3 or 4 days.The hardest part was removing the freezer door and reinstalling when I was do ... Read more ne.That wasn’t complicated just awkward.Removing the ice maker was simple and replacing it with the new one was easy.There was a protective plate on the front of the old one that wouldn’t fit on the new one.So I left it off.So far it has been working very well.