Samsung RF267ABRS Service Manual

Contents

71TROUBLESHOOTING- If defrost has trouble, select the self-diagnostic function to detect the error of defrost heater beforePower Off. (Check the function with refer to the self-diagnostic function)4-2-5. If defrost does not operate (F,R DEF Heater)R DEF ERROR2¢ (-17¡ ) is recommended 38¢ (3¡ ) is recommendedF DEF ERROR2¢ (-17¡ ) is recommended 38¢ (3¡ ) is recommendedStartAre the all deforstheater normal?Check the bimetal, heaterdisconnection, wiring connection etc.Refer to self-diagnosticfunction in the manualReplace theapplicable sensormanual operation for a certain timeManual defrosting of fresh foodand freezer compartmentsoperate simultaneously.Resistance value of sensor according to temperatureIf you need thetemperature with detail,refer to DATA1.temperaturetable**Measuring point of resistance value according to sensor **F-DEF : CN30#4 ® CN75#1 measuring resistance valueR-DEF : CN30#7 ® CN75#1 measuring resistance value** 0ʃ: Short trouble / ʃ: Open trouble**Measuring point of resistance value according to heater**F-DEF : CN70#9(Brown) ® CN71#9(Orange) measuringresistance value(55(216) ohm 7%)R-DEF(Ice Pipe parallel) : CN70#7(White)®N71#9(Orange)measuring resistance value(105(441) ohm 7%)** 0ʃ: Short trouble / ʃ: Open(bimetal, heater) trouble86×(30)68×(20)50×(10)32×(0)14×(-10)-4×(-20)-22×(-30)4.22ʄ6.05ʄ8.87ʄ13.29ʄ20.42ʄ32.23ʄ52.41ʄIf Energy Saver + Fridge Key are pressedsimultaneously for 8 seconds and then select any key,3rd test mode(manual defrosting) will be operated.Is the temperature ofdefrost sensor lowerthan 53.6×(12°C)?Is defrost sensor byself-diagnostic normal?Is power applied toeach defrost heaters?Is connection terminal ofMAIN PCB part normal?Recheck the applicablesensor.**Measuring point of resistance value according to sensor **F-DEF : CN30#4 ® CN75#1 measuring resistance valueR-DEF : CN30#7 ® CN75#1 measuring resistance value** 0V: Short trouble / 5V: Open troubleNormalRepair connection terminalReference If defrost sensortemperatures of fresh food andfreezer compartments are higherthan 50×(10), 53.6×(12) bythe heating from heater, heatingwould be finished and will returnto cooling operation after a pause.Check bimetal, heater itself,disconnection etc.Replace failure Relay orreplace PCB ASS'YDoes the system returnto cooling operation afterheating for specified time?ó Checking method of F,R DEF Heater resistance valueF FEF ; CN70#9(Brown) ® CN71#9(Orange)R FEF ; CN70#7(White) ® CN71#9(Orange)- Recheck if resistance values are different after the test1) F DEF Heater 2) R DEF Heater