Daikin REYQ-TA Series Service Manual page 189

SiUS371614E
Troubleshooting
Service Diagnosis
Be sure to turn off the power switch before connecting or disconnecting
Caution connectors, or parts may be damaged.
Turn OFF the power
supply, and then wait for
a period of 10 minutes.
Are
there any
YES
foreign matter around
the fan?
NO
Is
the
connector for
the fan motor
NO
properly connected
to the indoor
unit PCB?
(∗1)
YES
By
disconnecting
the connector for
NO
the fan motor from the
indoor unit PCB, the
fan can be lightly
YES
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
NO
more than the
judgement
criteria?
YES
Troubleshooting by Error Code
Remove the foreign matter.
Properly connect the connector.
Replace the indoor fan motor
(M1F).
Replace the indoor fan motor
(M1F).
Replace the indoor unit main
PCB (A1P).
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