Check point 4. Check output voltage of inverter PCB
Check outdoor unit circuit diagram and the voltage. (Measure at inverter PCB side
connector)
1
2
3
4
5
6
7
BLACK
WHITE
YELLOW
RED
FM
FAN MOTOR
BROWN
NOTE: For details of wiring diagram, refer to "→iring diagrams" in Chapter 2.
TECHNICAL DATA AND PARTS LIST on page 02-33.
Read wire DC voltage
Red—Black 18 model: 240 V to 400 V, 24/30/36 models: 262 V to 390 V
→hite—Black 15±1.5 V
-> 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.
End
2-31. E: 97.↓. Outdoor unit fan motor error (Outdoor unit) - (03-38) - 2. Troubleshooting with error code
TROUBLESHOOTING
TROUBLESHOOTING