12-2-2. Trouble criterion of main parts (1)
WHT – RED
RED – ORN
YLW – BRN
BRN – BLU
Abnormal
Open or
short-circuit
Normal
39 " ~ 50 "
Part name FigureCheck method and criterion
Outdoor fan motor (MF)
INNER FUSE
152i : CUT OFF
0
5
R.V. coil (21S4)
Expansion valve (LEV)
Measure the resistance between the terminals with a tester.
(Part temperature –15˚C ~ 40˚C)
WHT – BLK
BLK – RED
Abnormal
Open or
short-circuit
Normal
Measure the resistance between the terminals with a tester.
(Part temperature –15˚C ~ 40˚C)
Normal
1.90 k" ~ 2.38 k"
Abnormal
Open or short-circuit
Measure the resistance with a tester.
(Part temperature : –15˚C ~ 40˚C)
Measure the resistance with a tester. (Part temperature –15˚C ~ 40˚C)
Color of lead wire
Color of lead wire
Discharge temperature
thermistor (RT62)
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
150 k" ~ 600 k"
30 k" ~ 180 k"
Abnormal
Open or short-circuit
Normal
5 k" ~ 65 k"
Abnormal
Open or short-circuit
Defrost thermistor
(RT61)
Fin temperature
thermistor (RT64)
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 Abnormal
Open or short-circuit
Ambient temperature
thermistor (RT65)
LEV
WHT
6
RED1
ORN4
YLW5
BRN2
BLU3
WHT
RED
BLK
299 " ~ 374 "
242 " ~ 304 "
Measure the resistance between the terminals with a tester.
(Part temperature –15˚C ~ 40˚C)
Compressor (MC)
U-V
U-W
V-W
Abnormal
Open or
short-circuit
Normal
0.42 " ~ 0.53 "
1.31 " ~ 1.66"
SUZ-A12VR.THSUZ-A09VR.TH
23
W
U
V
1
WHT
RED BLK
FUSE
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