Fujitsu AB*30LBAG series Service Instruction page 73

SERVICE PARTS INFORMATION 2
Inverter Compressor
Check Point 1 : Check Connection
Check terminal connection of Compressor
(loose or incorrect wiring)
Terminal cover opened
W W
(BLACK) (BLACK)
Check Point 2 : Check Winding Resistance
Check winding resistance of each terminal
If the resistance value is 0
U
W
Check Point 3 : Replace Main PCB
If the symptom does not change with above Check 1, 2, replace Main PCB.
U U
(RED) (RED)
V V
(WHITE) (WHITE)
or infinite, replace Compressor.
Resistance Value :
V
Check connection of Main PCB
(Loose or incorrect wiring)
MAIN PCB
WHITE
0.88 (For AB*30/ 36LBAG)
0.188 (For AB*45LBAG)
at 20°C
07-27
W304
(TM304)
W305 W303
(TM303)
(TM305)
RED
Compressor
BLACK