TECH: John cx is experiencing the same issue. was away for 2 weeks and now refrigerator is on 46 degrees (and rising), ice build up in freezer ------------------------------------------ PRODUCT (Brand & Type): Samsung French Door Refrigerator STYLE: French Door Refrigerator MODEL: RF26HSENDSR SERIAL: 0AF24BBH600090V SERVICE CALL: $155.00 ISSUE: ice build up / cx thinks it might need a new filter