Fujitsu ASG30LMTA Service Instruction page 75

SERVICE PARTS INFORMATION 2
Inverter Compressor
Check Point 1 : Check connection
Check terminal connection of Compressor
(Loose or incorrect wiring)
V(S)
(WHITE)
Transistor PCB (IPM)
Check Point 2 : Check winding resistance
Check winding resistance of each terminal
If the resistance value is 0
U(R)
W(C)(T)
Check Point 3 : Replace Inverter PCB
If Check Point 1, 2 do not improve the symptom, replace Main PCB.
AMP Air Conditioning
W(C)(T)
(BLACK)
U(R)
(RED)
or infinite, replace Compressor.
V(S)
Check connection of Transisitor PCB(IPM).
(Loose or incorrect wiring)
Transistor PCB (IPM)
TM305
RED
Compressor
Resistance Value :
0.642 at 20°C
02-42
www.ampair.co.uk | sales@ampair.co.uk
TM304 TM303
BLACK
WHITE