Fujitsu ASU7RLF1 Service Instructions Manual page 77

SERVICE PARTS INFORMATION 2
Compressor
Check Point 1 : Check Connection
Check terminal connection of Compressor
(loose or incorrect wiring)
V(S)
(WHITE)
Main PCB
U(R)
(RED)
Check Point 2 : Check Winding Resistance
Check winding resistance of each terminal
If the resistance value is 0
U(R)
W (T)
Check Point 3 : Replace Main PCB
If the symptom does not change with above Check 1, 2, replace Main PCB.
W (T)
(BLACK)
or infinite, replace Compressor.
V(S)
・For AOU18RLXFZH
・For AOU24RLXFZH
Check terminal connection of Main PCB
(loose or incorrect wiring)
Main PCB
TM305
RED
Compressor
R esistance Value : 0.82 at 68°F(20°C)
Resistance Value : 0.64 : at 68°F(20°C)
02-45
TM304 TM303
BLACK
WHITE