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8
.
C
H
E
C
K
I
N
G
C
O
8
.
C
H
E
C
K
I
N
G
C
O
36K
Y7S423B212
WHITE-BLACK:41.49
RED-BLACK:35.21
48K&60K
Y7S423C032
WHITE-BLACK:42.69
RED-BLACK:36.41
Test in resistance.
TOOL: Multimeter.
Test the resistance of the main winding. The indoor fan motor is fault if the resistance of
main winding 0(short circuit)or∞（open circuit）.
Test in voltage
TOOL: Multimeter.
UNITARY AIR CONDITIONER TECHNICAL& SERVICE MANUAL V6.0
M
P
O
N
E
N
T
S
M
P
O
N
E
N
T
S
BLACK-BLUE:13.25
BLACK-BLUE:9.19
BLUE-YELLOW:12.39
BLUE-YELLOW:9.09
123
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