Fujitsu ARYG72LHTA - Page 81

SERVICE PARTS INFORMATION 2
Check Point 2 : Check Winding Resistance
Check Point 3 : Replace Main PCB
U
V
W
Inverter Compressor
Check winding resistance of each terminal
If the resistance value is 0 or infinite, replace Compressor.
If the symptom does not change with above Check 1, 2, replace Transistor PCB.
02-45
Resistance Value :
0.33
at 20°C (72/90)
Check Point 1 : Check Connection
Check terminal connection of Compressor
(loose or incorrect wiring)
V
(WHITE)
W
(BLACK)
Transistor PCB
TM303
(W)
TM304
(V)
TM305
(U)
RED
WHITE
BLACK
Compressor
Transistor PCB
U
V
W
U
V
W
U
(RED)
W
(BLACK)