Swing Flap Motor Abnormality - Daikin VRV Aurora RXLQ-TATJU Series Service Manual

Troubleshooting by Error Code

3.12 Swing Flap Motor Abnormality

Applicable
FXHQ-M, FXAQ-P
Models
A7
Error Code
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
 Defective swing motor
Causes  Defective connection cable (power supply and limit switch)
 Defective airflow direction adjusting flap-cam
 Defective indoor unit control PCB
Troubleshooting
247
Be sure to turn off the power switch before connecting or disconnecting
Caution connectors, or parts may be damaged.
NO
Is power supply 208-
230 V provided?
YES
Indoor unit is a
NO
model equipped with a swing
flap function
YES
The swing
YES
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
NO
the connector ( 1) is
208-230 VAC when
turned ON again
(within 30 seconds
of turning ON
again).
YES
A Go to the next page.
The
connector is
NO
connected to the indoor unit
control PCB. ( 1)
YES
NO
The limit switch
functions normally.
YES
The relay
YES
cable is short circuited or
disconnected.
NO
SiUS341802EC
Provide 208-230 V power
supply.
Replace the indoor unit control
PCB (A1P).
Connect the connector ( 1)
and turn the power supply on
again.
Replace the defective swing
motor. ( 2)
Replace the limit switch
relay cable.
Replace the indoor unit control
PCB (A1P).
Part 6 Service Diagnosis