Fujitsu AB A30LBT Series Service Instruction page 65

SERVICE PARTS INFORMATION 2
Inverter Compressor
Check Point 1 : Check connection
Check terminal connection of Compressor.
(Loose or incorrect wiring)
S(V)
WHITE
Transistor PCB
R(U)
Check Point 2 : Check winding resistance
Check winding resistance of each terminal.
If the resistance value is 0
R(U)
T(W)
Check Point 3 : Replace Transistor PCB
If Check Point 1, 2 do not improve the symptom, replace Transistor PCB.
T(W)
BLACK
RED
or infinite, replace Compressor.
S(V)
Check connection of Transistor PCB.
(Loose or incorrect wiring)
Transistor PCB
BLACK
TM303
Resistance value : 0.642
(at 20°C)
02-34
RED
WHITE
TM305
TM304
Compressor
8%