Daikin Super multi NX E Series User Manual

Troubleshooting for RA Indoor Unit SiBE121135_A
175 Service Diagnosis
Troubleshooting CTXS, FTXS20/25K Series
Check No.03
Refer to P.231
Caution
OK?
NO
YES
YES
NO
Check No. 03
Check No. 03
Check No. 03
NO
YES
YES
YES
NO
NO
YES
NO
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Check the connector for
connection.
Note: The motor may break when the
motor connector is disconnected
with the power supply on.
(Turn off the power supply before
connecting the connector also.)
∗ To secure the connection,
once disconnect the connector
and then reconnect it.
Foreign matters in or
around the fan?
Is the rotation pulse
generated?
Rotate the fan by hand.
Turn the power on again.
Check the fan motor for
breakdown or short circuit.
Check the motor control voltage.
Check the indoor unit PCB for
rotation pulse.
Fan rotates smoothly?
Resistance OK?
Is the motor control
voltage 15 VDC
generated?
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).
Turn off the power supply.
(Unplug the power cable or turn
the breaker off.)
(R18153)
YES
NO
NO
Abnormal
sound occurs?
Is the rubber cushion
properly fitted?
YES
Correct the position of
rubber cushion or replace
the rubber cushion.
Replace the bearing rubber
cushion.
Rubber
cushion
Bearing
rubber
cushion

Daikin Super multi NX E Series Specifications

General

Brand	Daikin
Model	Super multi NX E Series
Category	Air Conditioner
Language	English