Fujitsu ARU9RLF Service Instruction page 56

SERVICE PARTS INFORMATION 2
Compressor
Check Point 1 : Check Connection
Check terminal connection of Compressor
(loose or incorrect wiring)
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
(BLACK)
S
R
(WHITE)
(RED)
AOU9/ 12/ 18RLFC
or infinite, replace Compressor.
S
AOU9 / 12RLFC
Resistance Value :
1.4 at 77°F(25°C)
AOU18RLFC
Resistance Value :
0.7 at 77°F(25°C)
02-31