Part name FigureCheck method and criterion
Measure the resistance between the terminals with a tester.
(Part temperature –10˚C ~ 40˚C)
Compressor(MC)
INNER
PROTECTOR
160i 5: ON
90i10: OFF
Indoor fan motor(MF)
INNER
PROTECTOR
135i 5: ON
Normal
Terminal
C – R
C – S
0.58 " ~ 0.71 "
1.39 " ~ 1.70 "
Abnormal
Open or
short-circuit
Measure the resistance with a tester.
(Part temperature –10˚C ~ 40˚C)
Color of lead wire
WHT – BLK
BLK – RED
Abnormal
Open or
short-circuit
Normal
133 " ~ 144 "
153 " ~ 165 "
Measure the resistance with a tester.
(Part temperature 10˚C ~ 30˚C)
Normal
8 k" ~ 20 k"
Abnormal
Open or short-circuit
Room temperature
thermistor(RT11)
Indoor coil thermistor
(RT12(main), RT13(sub))
Discharge temperature
thermistor(RT62)
Ambient temperature
thermistor(RT63)
Outdoor fan motor(MF)
INNER
PROTECTOR
145i 8: ON
( 88i15: OFF
w
)
Horizontal vane
motor(MV1)
Vertical vane
motor(MV2)
R.V. coil(21S4)
LEV(Expansion valve)
Measure the resistance with a tester.
Before measurement, hold the thermistor with your hands to warm it up.
(Part temperature 0˚C ~ 40˚C)
Normal
120 k" ~ 800k"
Abnormal
Open or short-circuit
Normal
5 k" ~ 60 k"
Abnormal
Open or short-circuit
Motor part
Sensor part
Measure the resistance between the terminals with a tester.
(Part temperature 10˚C ~ 30˚C)
Color of lead wire
BRN – YLW
YLW – GRY
Abnormal
Remain 0V or 5V
Normal
4.5 ~ 5.5V
Measure the voltage power ON.
(When fan revolved one time)
0V➔5V➔0V
(Approx.)
Measure the resistance between the terminals with a tester.
(Part temperature –10˚C ~ 40˚C)
Color of lead wire
WHT – BLK
BLK – YLW
YLW – RED
Abnormal
Open or
short-circuit
Normal
55.4 " ~ 67.7 "
49.3 " ~ 60.3 "
22.9 " ~ 28.0 "
Normal
282" ~ 306 "
Abnormal
Open or short-circuit
Measure the resistance between the terminal with a tester.
(Part temperature 10°C ~ 30°C)
Measure the resistance between the terminals with a tester.
(Part temperature –10˚C ~ 40˚C)
Normal
2.673 k" ~ 3.268 k"
Abnormal
Open or short-circuit
Color of lead wire
WHT – RED
RED – ORN
YLW – BRN
BRN – BLU
Abnormal
Open or
short-circuit
Normal
30.3 " ~ 37.0 "
Measure the resistance with a tester.
(Part temperature : –10˚C ~ 40˚C)
Measure the resistance with a tester.
(Part temperature –10˚C ~ 40˚C)
Normal
5 k" ~ 60 k"
Abnormal
Open or short-circuit
Defrost thermistor
(RT61)
BLK
RED
WHT
GRY
YLW
BRN
w Reference value
P
R
C
S
RED
BLK
WHT
MAINAUX.
ORN
BLUYLW
RED
PNK
ROTOR
REDORN WHT
YLW
BLK
MAIN
AUX.1AUX.2
C
P
MAIN
AUX.
P
LEV
WHT
6
RED1
ORN4
YLW5
BRN2
BLU3
:INNER PROTECTOR
P
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