Service Manual

20
9-5. TROUBLE CRITERION OF MAIN PARTS
MSZ-JP09WA MSZ-JP12WA
Part name Check method and criterion Figure
Room temperature
thermistor (RT11)
Indoor coil thermistor
(RT12, RT13)
Measure the resistance with a tester.
Refer to 9-7. "Test point diagram and voltage", 1 or 2. "Indoor electronic
control P.C. board", for the chart of thermistor.
Indoor fan motor (MF) Check 9-6.
Horizontal vane motor (MV)
Measure the resistance between the terminals with a tester.
(Part temperature 50 - 86°F (10 - 30°C))
Color of the lead wire Normal
RED-BLK 223 - 268 Ω
BLK
BLK
RED
BLK
BLK
ROTOR
ROTOR
OBH820