Daikin R30NUV1 - 3.75 P1 Open Phase or Power Supply Voltage Imbalance

Si20-701_B Troubleshooting by Remote Controller
322
Troubleshooting
Is
the fan
motor connector
connected?
NO
YES
NO
Connect the
connector.
Replace the
outdoor unit PCB .
Disconnect the fan motor
connector, and turn ON
again.
“E7” is
displayed? (“LC” is
not displayed?)
YES
Replace the fan
motor.
Inverter
transmission
defective due
to the error of
fan motor.
Caution
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.