Fujitsu ASU 9RLF Service Instructions Manual page 51

SERVICE PARTS INFORMATION 2
Inverter Compressor
Check Point 1 : Check Connection
Check terminal connection of Compressor
(loose or incorrect wiring)
C(W)
(BLACK)
R(U)
(WHITE)
Check Point 2 : Check Winding Resistance
Check winding resistance of each terminal
If the resistance value is 0
C
R
Check Point 3 : Replace Main PCB
If the symptom does not change with above Check 1, 2, replace Main PCB.
Terminal cover opened
C(W)
S(V)
(BLACK)
(RED)
S(V)
(WHITE)
AOU9RLFW
or infinite, replace Compressor.
S
Terminal cover opened
R(U)
(RED)
AOU12RLFW
AOU9RLFW
Resistance Value :
2.7 at 20°C
AOU12RLFW
Resistance Value :
0.7 at 20°C
AOU15RLS
Resistance Value :
1.4 at 25°C
02-30
Terminal cover opened
C(T)
(BLACK)
S(W)
R
(WHITE)
(RED)
AOU15RLS