Main Part Inspection Method - Samsung SH09AI8R Service Manual

6-5 Main Part Inspection Method

Part
Room Temperature Sensor
Room Fan Motor
Outdoor Fan Motor
Stepping Motor
(Discharge Louver : B/L/R)
Stepping Motor
(Grille Motor)
Samsung Electronics
Measure resistance with a tester
Normal At the normal temperature 37kΩ~ 8.3kΩ(-7˚C~+30˚C) *Refer to Table 6-4-4.
∞, 0Ω . . . Open or Short
Abnormal
Measure the resistance between terminals of the connector (CN73) with a tester.
Normal At the normal temperature (10˚C ~ 30˚C)
Compare terminal
Yellow, Blue
Yellow, Red
∞, 0Ω . . . Open or Short
Abnormal
Measure the resistance between motor wires with a tester.
Normal At the normal temperature (10˚C ~ 30˚C)
Compare terminal
Yellow, Red
Black, Yellow
∞, 0Ω . . . Open or Short
Abnormal
Measure the resistance between the red wire and each terminal wire with a tester.
About 300 Ω at the normal temperature (20˚C ~ 30˚C)
Normal
∞, 0Ω . . . Open or Short
Abnormal
Measure the resistance between connector 3 and each terminal wire with a tester.
About 120 Ω at the normal temperature (20˚C ~ 30˚C)
Normal
∞, 0Ω . . . Open or Short
Abnormal
Breakdown Inspection Method
Resistance
404.4Ω±10%
340Ω±10%
Resistance
360Ω±10%
328Ω±10%
Remark
Main
Sub
Remark
Main
Sub
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