Fujitsu AS* A09LEC Service Instruction page 55

SERVICE PARTS INFORMATION 2
Inverter Compressor
Check Point 1 : Check connection
Check terminal connection of Compressor
(Loose or incorrect wiring)
S(V)
(WHITE)
Inverter PCB
R(U)
Check Point 2 : Check winding resistance
Check winding resistance of each terminal
If the resistance value is 0
R(U)
C(W)
Check Point 3 : Replace Inverter PCB
If Check Point 1, 2 do not improve the symptom, replace lnverter PCB.
C(W)
(BLACK)
(RED)
or infinite, replace Compressor.
Resistance value : 0.71
S(V)
Check connection of Main PCB
(Loose or incorrect wiring)
Main PCB
W7
RED
Compressor
(at 20°C)
02-30
W8 W9
BLACK
WHITE