Customer Questions and Answers for Water Tank Heater by Samsung

Hello Joe, You will want to check to make sure that the evaporator fan motor is running. IF you have impacted evaporator coils then you will want to check for continuity on the defrost thermostat 5303917954 and defrost heater 3206453. If one shows open then replace. If they both check ok then you will need to replaced defrost timer 215846602.