Daikin Super Multi NX 3MKS50E3V1B, Руководство по обслуживанию

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Troubleshooting for RA Indoor Unit - FTXG, FTXS, CTXS, FVXG, FVXS, FLXS, FDXS Series SiBE121135
276 Service Diagnosis
Troubleshooting
FTXS-K, CTXS-K Series
Check No.03
Refer to P.326
(R16048)
Turn off the power.
(Unplug the power cable or turn
the breaker OFF.)
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
OK?
NO
Check the connector for
connection.
YES
YES
Foreign matters in or
around the fan?
NO
Check No. 03
Check the fan motor for
breakdown or short circuit.
Resistance OK?
Turn the power on again.
Check No. 03
Check the motor control voltage.
Is the motor control
voltage 15 VDC
generated?
Check No. 03
Check the indoor unit PCB for
rotation pulse.
Is the rotation pulse
generated?
NO
YES
YES
YES
NO
NO
∗
To secure the connection,
once disconnect the connector
and then reconnect it.
Correct the connection.
Remove the foreign matters.
Replace the indoor fan motor.
Replace the indoor unit PCB (1).
Replace the indoor fan motor.
Replace the indoor unit PCB (1).
Rotate the fan.
Fan rotates smoothly?
YES
NO
Replace the indoor unit PCB (1).
Note: The motor may break when the
motor connector is disconnected
while remaining power supply.
(Turn off the power supply before
connecting the connector also.)