Samsung RS21NSVC Error code. Home › Forums › Public Support Forums › Help And Support › Fridge And Freezer Forum › Samsung RS21NSVC Error code. This topic has 2 replies, 3 voices, and was last updated 18 years, 10 months ago by porschejohn. Viewing 3 posts - 1 through 3 (of 3 total) Author Posts June 13, 2007 at 10:36 am #28097 porschejohnParticipant I believe that pressing and holding the top two buttons will give a error code to indicate possible faults. When I do this on my fridge, the middle light on the fridge temp display lights, what fault is this indicating? June 13, 2007 at 12:41 pm #216887 bazza500Participant Re: Samsung RS21NSVC Error code. this points towards a refrigeration defrost error June 15, 2007 at 8:28 pm #216888 adminKeymaster Re: Samsung RS21NSVC Error code. Hi Normal cause is the defrost heater assy failure. Bryan Author Posts Viewing 3 posts - 1 through 3 (of 3 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In