Samsung NS035LDXEA Service Manual

Also see for DH070EAV1: User manual Installation manual

Contents

Samsung Electronics 4-434-7 Main Part Inspection MethodCompare terminal Resistance RemarkRed, Blue 185Ω ± 10% MainBlue, White 183Ω ± 10% SubPart Breakdown Inspection MethodIndoor Unit Temperature Sensor Measure sensor resistance with a multimeterNormal At the normal temperature 37kΩ~8.3kΩ(-7˚C~+30˚C)Abnormal ,0Ω...Open or ShortIndoor Unit BLDC FAN Motor Measure terminal resistance with a multimeterNormal At the normal temperature(10˚C~30˚C)Abnormal ,0Ω...Open or ShortOutdoor UnitOutdoor Temperature Sensor&Cond Temperature SensorMeasure sensor resistance with a multimeterNormal At the normal temperature 37kΩ~8.3kΩ(-7˚C~+30˚C) see 12-2-6 and 12-2-8Abnormal ,0Ω...Open or ShortOutdoor UnitDischarge Temperature SensorMeasure sensor resistance with a multimeterNormal At the normal temperature 563kΩ~157kΩ(0˚C~+30˚C) see 12-2-7Abnormal ,0Ω...Open or ShortOutdoor Unit BLDC FAN MOTOR Measure terminal resistance with a multimeterNormal At the normal temperature(10˚C~30˚C)Abnormal 0Ω...Open or ShortOutdoor Unit 4way Valve Solenoid Measure resistance with a multimeterNormal At the normal temperature(10˚C~30˚C) 1.6KΩ 15%Abnormal ,0Ω...Open or Shortwire pin number Resistance RemarkRED - BLACK 1-3 over 1MΩ +300V motor powerWHITE - BLACK 4-3 1KΩ ~ 2KΩ +15V control powerYELLOW - BLACK 5-3 200KΩ ~ 300KΩ controlBLUE - BLACK 6-3 10KΩ ~ 50KΩ pulsewire pin number Resistance RemarkRED - BLACK 1-3 over 1MΩ +300V motor powerWHITE - BLACK 4-3 1KΩ ~ 2KΩ +15V control powerYELLOW - BLACK 5-3 200KΩ ~ 300KΩ controlBLUE - BLACK 6-3 10KΩ ~ 50KΩ pulseORANGE - BLACK 7-3 10KΩ ~ 50KΩ reverse