Samsung refrigerator not cooling.

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Hi all, I'm having a similar problem with my fridge.  It is the same model as Dennis Klermund's I got home and the fridge temp display was flashing.  I unplugged the fridge for a couple of minutes and the flashing went away.  When I plugged the fridge back in I the number 3 displayed in the fridge temp area then it went to the normal display.  After a few minutes it seemed the the freezer side would display a temp anywere from 0 to - 8 degrees and the fridge would display a temp from 61 to 64 degrees.  I downloaded and looked at the service manual that JWWebster  had posted and did the self diagnostic test (pages 31 &32 ) which did not show any led segments blinking in the display.  I am also  trained copier/production printer service technician so I also have a good understanding of trouble shooting.  Any help would be much appreciated.  Thanks.

Model RS2577SL

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Ok after running all night the fridge seems to be normal.  Not sure of what happened. perhaps it was stuck in some sort of defrost mode and I just wasn't patient enough after resetting it.