Hi. Welcome to JustAnswer.
There was a tech update that may apply in your case. It has to do with the temperature sensors in the ice maker reading wrong. Please see the attached tech update for more intformation.
To get to the set point shift they refer to do this:
Press Freezer Temp. and Power Cool buttons simultaneously for 12 seconds to get into this mode.
In this mode, only the display LEDs for temperature will be ON.
Press power cool / fridge temp until the number 4 is in the right display.
Below are the diagnostics they refer to.
If changeing the tempersture values does not work then you will have to install the
"New Ice Making Service Kit" Samsung part # XXXXX
You can get one by clicking here. I have the instruction sheet if it gets to this point. Hopefully the temp adjustment will resolve the problem.