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Measure the resistance between the terminals with a tester.
(Coil wiring temperature –10°C ~ 40°C)
Measure the resistance between the terminals with a tester.
(Coil wiring temperature –10°C ~ 40°C)
Measure the resistance between the terminals with a tester.
(Coil wiring temperature10°C ~ 30°C)
Compressor
(MC)
Room
temperature
thermistor(RT11)
2. Trouble criterion of main parts
Part name
Indoor coil
thermistor(RT12)
Indoor fan
motor (MF)
Motor part
Sensor part
Outdoor fan
motor (MF)
Vane motor
(MV)
Check method and criterion
Measure the resistance with a tester.
(Part temperature 10°C ~ 30°C)
Measure the voltage Power ON.
Measure the resistance between the terminals with a tester.
(Part temperature10°C ~ 30°C)
Figure
P
~
BLK
R
MAIN
AUX
RED
S
C
WHT
MAIN
AUX
FUSE
BLK
RED
WHT
GR
Y
YL
W
BRN
MAIN
AUX
BLK RED
WHT
ORN
P
YLW
RED
BLU
ORN
PNK
ROTOR
INNER PROTECTOR
P
Normal
8k
Ω
~ 20k
Ω
Abnormal
Open or short-circuit
Normal
C18TV
C24TV
0.95 ~ 1.17
Ω
1.92 ~ 2.36
Ω
0.59 ~ 0.73
Ω
1.78 ~ 2.18
Ω
C-R
C-S
Normal
Abnormal
Open or
short-circuit
176 ~ 192
Ω
240 ~ 261
Ω
WHT-BLK
BLK-RED
BRN-YLW
YLW-GRY
Normal
4.5 ~ 5.5V
Abnormal
Remain 0V or 5V
(When fan revolved one time)
0V
➔
5V
➔
0V
(Approx.)
Normal
C18TV
C24TV
Abnormal
Open or
short-circuit
WHT-BLK
BLK-RED
Normal
Abnormal
Open or
short-circuit
358 ~ 388
Ω
Abnormal
Open or
short-circuit
MS-C18TV -
MU-C18TV -
MS-C24TV -
MU-C24TV -
E1
E1
E1
E1
102 ~ 126
Ω
97 ~ 120
Ω
71 ~ 88
Ω
90 ~ 111
Ω
BLK-YLW
–
81 ~ 100
Ω
MAIN
AUX
BLK
YLW
RED
WHT
ORN
P
MAIN
MS-C24TV
MS-C18TV
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