Daikin 3MXM40A2V1B9 Installer's Reference Manual page 72

15 | Troubleshooting
Installer reference guide
72
Green LED-A
(a)
Diagnosis may not apply to some cases. For more details, refer to the service manual.
Diagnosis
Turn the power OFF and back ON, and check the LED
within approximately 3 minutes. If the LED is ON again,
the outdoor unit PCB is faulty.
(a)
Power supply fault.
2MXM-A9, 3MXM-A9, 4MXM-A9, 5MXM-A9
R32 Split series
4P600463-7G – 2022.09