Mitsubishi Electric MSH-18RV Service Manual page 58

MSH-30RV - MUH-30RV -
E1
Part name
Room temperature
thermistor(RT11)
Indoor coil thermistor
(RT12(main), RT13(sub))
Defrost thermistor
(RT61)
Discharge temperature
thermistor(RT62)
Ambient temperature
thermistor(RT63)
Compressor(MC)
Indoor fan motor(MF)
Outdoor fan moter(MF)
Horizontal vane
motor(MV1)
Vertical vane
motor(MV2)
R.V. coil(21S4)
LEV(Expansion valve)
E1
Check method and criterion
Measure the resistance with a tester.
(Part temperature 10˚C ~ 30˚C)
Normal
8 k" ~ 20 k"
Measure the resistance with a tester.
(Part temperature –10˚C ~ 40˚C)
Normal
5 k" ~ 60 k"
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"
Measure the resistance with a tester.
(Part temperature –10˚C ~ 40˚C)
Normal
5 k" ~ 60 k"
Measure the resistance between the terminals with a tester.
(Part temperature –10˚C ~ 40˚C)
Normal
Terminal
0.58 " ~ 0.71 "
C – R
1.39 " ~ 1.70 "
C – S
Measure the resistance between the terminals with a tester.
(Part temperature 10˚C ~ 30˚C)
Color of lead wire
WHT – BLK
BLK – RED
Measure the voltage power ON.
Color of lead wire
BRN – YLW
(When fan revolved one time)
YLW – GRY
Measure the resistance between the terminals with a tester.
(Part temperature –10˚C ~ 40˚C)
Color of lead wire
55.4 " ~ 67.7 "
WHT – BLK
49.3 " ~ 60.3 "
BLK – YLW
22.9 " ~ 28.0 "
YLW – RED
Measure the resistance between the terminal with a tester.
(Part temperature10°C ~ 30°C)
Normal
282" ~ 306 "
Measure the resistance between the terminals with a tester.
(Part temperature –10˚C ~ 40˚C)
Normal
2.673 k" ~ 3.268 k"
Measure the resistance with a tester.
(Part temperature : –10˚C ~ 40˚C)
Color of lead wire
WHT – RED
RED – ORN
30.3 " ~ 37.0 "
YLW – BRN
BRN – BLU
Abnormal
Open or short-circuit
Abnormal
Open or short-circuit
Abnormal
Open or short-circuit
Abnormal
Open or short-circuit
Abnormal
Open or
short-circuit
Normal
133 " ~ 144 "
153 " ~ 165 "
Normal
4.5 ~ 5.5V
0V 5V 0V
(Approx.)
Normal
Abnormal
Open or
short-circuit
Abnormal
Open or short-circuit
Abnormal
Open or short-circuit
Normal
Abnormal
Open or
short-circuit
58
Abnormal
Open or
short-circuit
Abnormal
Remain 0V or 5V
Figure
WHT
C
P
AUX. MAIN
R
S
BLK
RED
MAIN
AUX.
P
MAIN
AUX.1 AUX.2
P
C
BLK YLW RED ORN WHT
PNK
ROTOR
ORN
RED
YLW BLU
6
WHT
1
LEV
RED
4
ORN
P :INNER PROTECTOR