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Samsung Electronics
5-5 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 37k
Ω
~ 8.3k
Ω
(-7˚C~+30˚C)
*Refer to Table 5-4-4.
Abnormal
∞
, 0
Ω
. . . 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
∞
, 0
Ω
. . . Open or Short
Measure the resistance between motor wires with a tester.
Normal
At the normal temperature (10˚C ~ 30˚C)
Abnormal
∞
, 0
Ω
. . . 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
∞
, 0
Ω
. . . Open or Short
Breakdown Inspection Method
Part
Compare terminal
Resistance
Remark
Yellow, Blue
404.4
Ω
± 10%
Main
Yellow, Red
340
Ω
± 10%
Sub
Compare terminal
Resistance
Remark
Yellow, Red
360
Ω
± 10%
Main
Black, Yellow
328
Ω
± 10%
Sub
DB98_15924A(3)_1 4/6/04 3:00 PM Page 29