Mitsubishi Electric MSZ-D30NA Service Manual page 24

9-5. TROUBLE CRITERION OF MAIN PARTS
MSZ-D30NA
MSZ-D36NA
MSY-D30NA
MSY-D36NA
Part name
Room temperature
thermistor(RT11)
Indoor coil thermistor
(RT12(MAIN), RT13(SUB))
Indoor fan motor(MF)
Horizontal vane motor
(MV1)
Vertical vane motor
(MV2)
Check method and criterion
Measure the resistance with a tester.
Refer to 9-7. "Test point diagram and voltage", "Indoor electronic control P.C.
board", the chart of thermistor.
Check 9-6. .
Measure the resistance between the terminals with a tester.
(Part temperature 50 ~ 86 °F)
Horizontal vane motor (MV1)
Color of the lead wire
BRN - other one
Vertical vane motor (MV2)
Color of the lead wire
BRN - other one
Normal
240 ~ 260 Ω
Normal
282 ~ 306 Ω
24 24
Figure
RED
ROTOR
YLW
BRN
ORN GRN