Samsung AS12HPBX - 6-4 Main Part Inspection Method

Samsung Electronics40
6-4 Main Part Inspection Method
Room Temperature Sensor
Room Fan Motor
Outdoor Fan Motor
Stepping Motor
Measure resistance with a tester
Normal At the normal temperature 37kΩ~ 8.3kΩ(-7˚C~+30˚C)
*Refer to Table 6-3-4.
Abnormal ∞, 0Ω
...
Open or Short
Measure the resistance between terminals of the connector (CN72) with a tester.
Normal At the normal temperature (10˚C ~ 30˚C)
Abnormal ∞, 0Ω
...
Open or Short
Measure the resistance between motor wires with a tester.
Normal At the normal temperature (10˚C ~ 30˚C)
Abnormal ∞, 0Ω
...
Open or Short
Measure the resistance between the red wire and each terminal wire with a tester.
Normal About 300Ω at the normal temperature (20˚C ~ 30˚C)
Abnormal ∞, 0Ω
...
Open or Short
Breakdown Inspection MethodPart
Compare terminal Resistance Remark
Yellow, Blue 404.4Ω ± 10% Main
Yellow, Red 340Ω ± 10% Sub
Compare terminal Resistance Remark
Yellow, Red 360Ω ± 10% Main
Black, Yellow 328Ω ± 10% Sub
DB98_20429A(1)_1 12/24/04 10:55 AM Page 40