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Brand: Samsung Model Number: RSG257AABP/XAA Main Symptom: Freezer side doesn’t freeze ice cream, but water does freeze. What happens & when: Freezer no longer keeps ice cream frozen. Water does freeze in a glass. Ice is still being made. Freezer temp shows -4 F.
Error Code (if any): Fridge defrost sensor
Parts or tests already tried: Replaced freezer defrost sensor, but still get same error message and still have same problem
Photos / video link:
This may actually be the temp sensor AP4136950 for the freezer that’s in the ice duct in the top of the freezer.
Take it out and put it in a glass of ice water for about 5 to 10 minutes and check the resistance value, should be around 13.29k ohms at 32 degrees F. If that’s good and the freezer defrost sensor has been replaced, you might have a logic issue on the main control AP4432518, which is no longer available.