Samsung Electronics 15No1234567Symptom• R-room left sensor housingdisconnection.• Faulty connection.• Wire open or short.• Faulty sensor.• R-room left right sensorhousing disconnection.• Faulty connection.• Wire open or short.• Faulty sensor.• R-room defrost sensorhousing disconnection.• Faulty connection.• Wire open or short.• Faulty sensor.• Outer sensor housingdisconnection.• Faulty connection.• Wire open or short.• Faulty sensor.• F-room sensor housingdisconnection.• Faulty connection• Wire open or short.• Faulty sensor.• R-room defrost sensorhousing disconnection.• Faulty connection.• Wire open or short.• Faulty sensor.• Faulty geared-motor• Faulty reed-switchhousing disconnection.• Faulty connection.RemarkR1-Sensor temperature isover +50˚C or below –50˚C.R2-Sensor temperature isover +50˚C or below –50˚C.RD-Sensor temperature isover +50˚C or below –50˚C.Outer-Sensor temperatureis over +50˚C or below–50˚C.F-Sensor temperature isover +50˚C or below –50˚C.F-Sensor temperature isover +50˚C or below –50˚C.Square wave not detectedby reed-S/W.ItemR1-SensorR2-SensorRD-SensorAir-SensorF-SensorFD-SensorGeared-MotorDisplay LEDRefrigerator “LOW”Refrigerator“LOW · Med”Refrigerator “Med”Freezer “LOW”Freezer “LOW” · Med”Freezer “Med”Refrigerator “HIGH”(Self-diagnosis Display Table)