Samsung SH09AI8R Service Manual

Also see for SH09AI8R: Owner's instructions

Contents

29Samsung Electronics6-5 Main Part Inspection MethodRoom Temperature SensorRoom Fan MotorOutdoor Fan MotorStepping Motor(Discharge Louver : B/L/R)Stepping Motor(Grille Motor)Measure resistance with a testerNormal At the normal temperature 37kΩ~ 8.3kΩ(-7˚C~+30˚C) *Refer to Table 6-4-4.Abnormal ∞, 0Ω . . . Open or ShortMeasure the resistance between terminals of the connector (CN73) with a tester.Normal At the normal temperature (10˚C ~ 30˚C)Abnormal ∞, 0Ω . . . Open or ShortMeasure the resistance between motor wires with a tester.Normal At the normal temperature (10˚C ~ 30˚C)Abnormal ∞, 0Ω . . . Open or ShortMeasure the resistance between the red wire and each terminal wire with a tester.Normal About 300 Ω at the normal temperature (20˚C ~ 30˚C)Abnormal ∞, 0Ω . . . Open or ShortMeasure the resistance between connector 3 and each terminal wire with a tester.Normal About 120 Ω at the normal temperature (20˚C ~ 30˚C)Abnormal ∞, 0Ω . . . Open or ShortBreakdown Inspection MethodPartCompare terminal Resistance RemarkYellow, Blue 404.4Ω±10% MainYellow, Red 340Ω±10% SubCompare terminal Resistance RemarkYellow, Red 360Ω±10% MainBlack, Yellow 328Ω±10% Sub