Swing Flap Motor Abnormality - Daikin VRV EMERION RXYQ-AATJA Service Manual

SiUS342303E

3.13 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
Part 6 Service Diagnosis
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
Troubleshooting by Error Code
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).
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