Fujitsu AUXG18KVLA Service Manual page 111

Check point 4. Check output voltage of inverter PCB
Check outdoor unit circuit diagram and the voltage. (Measure at inverter PCB side
connector)
NOTE: For details of wiring diagram, refer to
TECHNICAL DATA AND PARTS LIST on page 02-37.
Read wire
Red—Black
White—Black
-> If the voltage is not correct, replace inverter PCB.
Check point 5. Replace main PCB
If Check point 1 to 4 do not improve the symptom, change main PCB.
2-31. E: 97. Outdoor unit fan motor error (Outdoor unit)
RED
1
2
3
BLACK
4
WHITE
5
YELLOW
6
BROWN
7
280 V (AC 220 V -10%) to 373 V (AC 240 V +10%)
↓
↓
End
FAN MOTOR
FM
"Wiring diagrams" in Chapter 2.
DC voltage
15 ± 1.5 V
- (03-39) -
2. Troubleshooting with error code