
29Samsung Electronics
6-5 Main Part Inspection Method
Room Temperature Sensor
Room Fan Motor
Outdoor Fan Motor
Stepping Motor
(Discharge Louver : B/L/R)
Stepping Motor
(Grille Motor)
Measure resistance with a tester
Normal At the normal temperature 37kΩ~ 8.3kΩ(-7˚C~+30˚C) *Refer to Table 6-4-4.
Abnormal ∞, 0Ω
. . .
Open or Short
Measure the resistance between terminals of the connector (CN73) 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 300 Ω at the normal temperature (20˚C ~ 30˚C)
Abnormal ∞, 0Ω
. . .
Open or Short
Measure 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 Short
Breakdown Inspection Method
Part
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
DB98-17813(1)_1 04/2/23 10:31 AM Page 29
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