Daikin Super multi NX E Series User Manual

Troubleshooting for SA Indoor Unit SiBE121135_A
189 Service Diagnosis
6.3.2 DC Motor (FCQG Series, FBQ35/50C8VEB)
Error Code A6
Method of Error
Detection
The signal from the fan motor detects abnormal fan speed.
Error Decision
Conditions
The fan rotation does not increase.
Supposed
Causes
 Foreign matters stuck in the fan
 Disconnection of connector
 Defective fan motor
 Defective indoor unit PCB
Troubleshooting
NO
YES
Is the
connector from the
fan motor properly
connected to the
indoor unit
PCB?
YES
Is there any
foreign matter around
the fan?
NO
NO
YES
Turn off the power supply and
wait for 10 minutes.
Check the fan motor
connector. (See the Note.)
Remove the foreign matter.
Connect the connector properly.
FCQG: X20A, relay connector
FBQ35/50C8VEB: X8A
YES
Disconnect
the fan motor
connector. Can you rotate
the fan smoothly by
hand?
Is the
resistance
between each pin
higher than
1Ω?
NO
Replace the indoor fan motor.
Replace the indoor fan motor
and the indoor unit PCB.
FCQG: A1P
FBQ35/50C8VEB: A2P
Replace the indoor unit PCB.
(R19168)
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.

Daikin Super multi NX E Series Specifications

General

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