Swing Flap Motor Abnormality - Daikin Aurora Series Service Manual

Troubleshooting by Error Code

2.10 Swing Flap Motor Abnormality

A7
Error Code
Applicable
FXFQ, FXZQ, FXUQ, FXEQ, FXHQ, FXAQ
Models
Method of Error Utilizes ON/OFF of the limit switch when the motor turns.
Detection
Error Decision When ON/OFF of the micro-switch for positioning cannot be reversed even though the swing flap
Conditions motor is energized for a specified amount of time (about 30 seconds).
∗ Error code is displayed but the system operates continuously.
Supposed
Causes
Troubleshooting
183
Defective swing motor
Defective connection cable (power supply and limit switch)
Defective airflow direction adjusting flap-cam
Defective indoor unit main PCB
Be sure to turn off the power switch before connecting or disconnecting
Caution connectors, or parts may be damaged.
Is power supply 208-
230 V provided?
YES
Indoor unit is
a model equipped with a
swing flap function
YES
The swing
motor works when
the power supply is turned OFF
and then restart.
NO
After
turning
the swing-flap
ON and then
stopping with the
remote controller, the
voltage of the connector
(∗1) is 208-230 VAC
when turned ON
again (within 30
seconds of
turning ON
again).
YES
Go to the next page.
A
NO
NO
The
YES connector is
connected to the indoor
unit PCB. (∗1)
YES
The limit switch
functions normally.
YES
The relay
cable is short circuited
or disconnected.
NO
NO
Provide 208-230 V power
supply.
Replace the indoor unit main
PCB (A1P).
NO
Connect the connector (∗1)
and turn the power supply on
again.
NO
Replace the defective
swing motor. (∗2)
YES
Replace the limit switch
relay cable.
Replace the indoor unit main
PCB (A1P).
Service Diagnosis
SiUS341802E