Daikin R71FUV1 Service Manual page 200

Troubleshooting by Remote Controller
A
Connectors of
harness between
the compressor
inverter PCB and the
fan inverter PCB are
disconnected.
NO
The
fuse
(white tubular
fuse) on the fan
inverter PCB has a
broken wire (has
no continuity).
NO
With the
connector
disconnected from
the fan motor, the fan
cannot be
rotated by
hand.
NO
Resistance
between the fan
motor power supply
cable terminal and the
motor frame (metal
part) is not
more than
1MΩ.
NO
B
YES
YES
YES
YES
Si20-701_B
Insert the
connectors in the
harness.
Replace the fan
inverter PCB.
Replace the
outdoor unit fan
motor.
Replace the
outdoor unit fan
motor.
193