18
OCH699
W
U
V
WH
RD BK
W
U
V
WH
RD BK
10-4. TROUBLE CRITERION OF MAIN PARTS
SUZ-KA09NA(H)2.MX
SUZ-KA12NA(H)2.MX
SUZ-KA15NA(H)2.MX
Part name
Check method and criterion
Figure
Defrost thermistor (RT61)
Fin temperature
thermistor (RT64)
Ambient temperature ther-
mistor (RT65)
Outdoor heat exchanger tem-
perature thermistor (RT68)
Measure the resistance with a tester.
5HIHUWR³,QYHUWHU3&ERDUG´LQ7(6732,17',$*5$0$1'
VOLTAGE”, for the chart of thermistor.
Discharge temperature ther-
mistor (RT62)
Measure the resistance with a tester. Before measurement, hold the
thermistor with your hands to warm it up.
5HIHUWR³,QYHUWHU3&ERDUG´LQ7(6732,17',$*5$0$1'
VOLTAGE”, for the chart of thermistor.
Compressor
Measure the resistance between terminals with a tester.
(Temperature: 14 - 104 °F (-10 - 40 °C))
1RUPDO
KA09
KA12
KA15
U-V
U-W
V-W
1.26 - 1.72
1.60 - 2.17
0.82 - 1.11
Outdoor fan motor
Measure the resistance between lead wires with a tester.
(Temperature: 14 ~ 104 °F (-10 ~ 40 °C))
Color of lead wire
1RUPDO
KA09/12/15
RD – BK
BK – WH
WH – RD
29 - 40
R. V. coil (21S4)
Measure the resistance using a tester.
[Temperature: 14 - 104°F (-10 - 40°C)]
1RUPDON
0.97 - 1.38
Expansion valve coil (LEV)
Measure the resistance using a tester.
[Temperature: 14 - 104°F (-10 - 40°C)]
Color of lead wire
1RUPDO
RD – OG
37 - 54
RD – WH
RD – BU
RD – YE
RD
(+12V)
YE
BU
WH
OG
LEV
Defrost heater
(
SUZ-KA·NAH2
)
Measure the resistance using a tester.
[Temperature: 14 - 104°F (-10 - 40°C)]
1RUPDO
349 - 428
