Daikin R71FUV1 Service Manual page 106

Troubleshooting by Remote Controller
Troubleshooting
Caution
Is the
connector correctly
connected?
YES
Is the
limit switch's
transfer connector
correctly
connected?
YES
Turn OFF the power
supply and turn the power
ON, and check whether
the swing flap motor
swings when the power
supply is restarted.
Does the
swing flap motor
swing?
NO
Turn OFF the power
supply and turn the power
ON, and measure the
output voltage of
connector when the
power supply is restarted.
220-240 VAC?
YES
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
NO
NO
YES
Disconnect the connector,
turn OFF the power
supply and turn the power
ON, and check if the limit
switch has continuity
when the power supply is
restarted.
Does
continuity/ no
continuity
reverse?
NO
YES
NO
Si20-701_B
Connect
correctly.
Connect
correctly.
Replace the
indoor unit PCB.
Replace the
indoor unit PCB.
Replace the
swing flap motor.
99