Mitsubishi Mr.Slim MUY-GE09NA Service Manual page 28

10-4. TROUBLE CRITERION OF MAIN PARTS
MUZ-GE09NA MUZ-GE12NA MUZ-GE15NA MUZ-GE18NA
MUY-GE09NA MUY-GE12NA MUY-GE15NA MUY-GE18NA
Part name
Defrost thermistor (RT61)
(MUZ)
Fin temperature
thermistor (RT64)
Ambient temperature
thermistor (RT65)
Outdoor heat exchanger
temperature thermistor
(RT68)
Discharge temperature
thermistor (RT62)
Compressor
Outdoor fan motor
R. V. coil (21S4)
(MUZ)
Expansion valve coil
(LEV)
Check method and criterion
Measure the resistance with a tester.
Refer to 10-6. "Test point diagram and voltage", 1. "Inverter P.C.
board", for the chart of thermistor.
Measure the resistance with a tester. Before measurement, hold the
thermistor with your hands to warm it up.
Refer to 10-6. "Test point diagram and voltage", 1. "Inverter P.C.
board", for the chart of thermistor.
Measure the resistance between terminals using a tester.
(Temperature: 14 ~ 104°F(-10 ~ 40°C))
GE09
U-V
U-W 1.36 ~ 1.93
V-W
Measure the resistance between lead wires using a tester.
(Temperature: 14 ~ 104°F(-10 ~ 40°C))
Color of lead wire
GE09/12
RED – BLK
BLK – WHT
WHT – RED
Measure the resistance using a tester.
(Temperature: 14 ~ 104°F(-10 ~ 40°C))
Normal (kΩ)
0.97 ~ 1.38
Measure the resistance using a tester.
(Temperature: 14 ~ 104°F(-10 ~ 40°C))
Color of lead wire
WHT – RED
RED – ORN
YLW – BRN
BRN – BLU
Normal (Ω)
GE12 GE15/18
1.52 ~ 2.17 0.78 ~ 1.11
Normal (Ω)
GE15
28 ~ 40
Normal (Ω)
37 ~ 54
28
WHT
V
WHT
GE18
11 ~ 16
V
WHT
RED
ORN
Figure
RED BLK
W
U
RED BLK
W
U
LEV