Daikin VRVII Manual page 58

Troubleshooting by Indication on the Remote Controller
Troubleshooting
Caution
Turn OFF the power
supply, and then wait for a
period of 10 minutes.
Are there
any foreign matters
around the fan?
NO
Is the
connector for
the fan motor
properly connected to
the indoor unit
PCB? (∗1)
By
disconnecting
the connector for
the fan motor from the
indoor unit PCB, the
fan can be lightly
rotated by
hand.
YES
Disconnect the connector
from the fan motor, and
then make measurement
of resistance between
pins. (∗2)
Is the
resistance
between the pins
more than the
judgement
criteria?
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
YES
NO
YES
NO
NO
YES
Remove the
foreign matters.
Properly connect
the connector.
Replace the fan
motor.
Replace the fan
motor.
Replace the
indoor unit PCB.
53