Daikin R71FUV1 Service Manual page 196

Troubleshooting by Remote Controller
A
No
continuity on the
fan inverter PCB
fuse
NO
Unable to
rotate the fan
manually with ease
when removing the
connector of the
fan motor
NO
The
resistance
value between
the power supply
wire terminal of fan
motor and the motor
frame (metal) is
1MΩ and
below.
NO
CHECK 2
Check the fan motor
connector (power supply
wire)
The
resistance
value between
UVW phases of fan
motor is out of balance,
or short circuit
between UVW
phases
NO
B
YES
YES
YES
YES
Si20-701_B
Replace the fan
inverter PCB.
Replace the
corresponding
fan motor.
Replace the
corresponding
fan motor.
Replace the
corresponding
fan motor.
189