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Measure the resistance between the terminals with a tester.
(Coil wiring temperature14°F ~ 104°F)
Measure the resistance between the terminals with a tester.
(Coil wiring temperature14°F ~ 104°F)
Measure the resistance between the terminals with a tester.
(Coil wiring temperature50°F ~ 86°F)
Compressor
Room
temperature
thermistor
MS09NW, MS12NN, MS15NN, MS17NN
11-2-2 Trouble criterion of main parts
Part name
Indoor coil
thermistor
Indoor fan
motor
Motor partSensor partMotor part
Outdoor fan
motor
Vane motor
Check method and criterion
Measure the resistance with a tester.
(Part temperature 50°F ~ 86°F)
Measure the voltage Power ON.
Measure the resistance between the terminals with a tester.
(Part temperature 50°F ~ 86°F)
Figure
1
2
3
09NW
12/15/17 NN
09NW
RED
RED
RED
ORN
BLK
BLU
BLK
BLK
WHT
WHT
YLW
YLW
GRY
BRN
BRN
WHITE
1
2
3
P
F
Normal
8kΩ ~ 20kΩ
Abnormal
Opened or short-circuited
Normal
09NW
0.8~1.1Ω
1.9~2.4Ω
1.9~2.4Ω 1.4~1.9Ω
2.4~3.0Ω
1.4~1.8Ω
2.3~2.9Ω
12NN
15NN 17NN
C-R
C-S
Normal
09NW
Abnormal
Opened or
short-circuited
76~83 Ω
WHT-BLK
BLK-RED
BRN-YLW
YLW-GRY
Normal
09NW
4.5 ~ 5.5V
Abnormal
Remain 0V or 5V
(When fan revolved one time)
0V➔5V➔0V (Approx.)
Normal
Abnormal
Opened or short-circuited
09NW
282 ~ 305Ω
12/15/17NN
358 ~ 387Ω
Abnormal
Opened or
short-circuited
70~76 Ω
2.7~3.4Ω
Normal
12/15NN
67~73Ω
9~9.8Ω
53~59Ω
10~12Ω
17NN
WHT-BLK
BLK-YLW
4.9~5.5Ω
5.8~6.4Ω
4.6~5.0Ω
5.4~6.0Ω
YLW-BLU
BLU-BRN
28~32Ω 36~40Ω
BRN-RED
Abnormal
Opened or
short-circuited
Normal
09NW
55~68Ω
114~141Ω
102~126Ω
97~120Ω
12/15/17NN
WHT-BLK
BLK-YLW
Abnormal
Opened or
short-circuited
12/15/17 NN
RED
ORN
BLK
WHT
P
OB192--2.qxp 23/6/97 11:50 PM Page 33