14 Samsung Electronics(6) When refrigerator repaired, sure to power off and on to run self diagnosis.(7) Refer to belows for problems and related displays.No1234567Symptom• 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.• Room-Temp 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.Room-Temp Sensortemperature is over +50˚Cor 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-SensorRoom-Temp.SensorF-SensorFD-SensorGeared-MotorDisplay LEDRefrigerator “Low”Refrigerator“Low · Mid”Refrigerator “Mid”Freezer “Low”Freezer “Low”Freezer “Mid”Refrigerator “High”(Self-diagnosis Display Table)