A7" Malfunction Of Swing Flap Motor - Daikin SkyAir RZQ200 · 250C7Y1B Service Manual

Diagnosis by Remote Controller
4.8

"A7" Malfunction of Swing Flap Motor

A7
Remote
Controller
Display
Applicable FAQ100, FCQ, FBQ, FHQ, FUQ
Models
Method of Make use of the limit switch turning ON/ OFF according to rotation of the motor.
Malfunction
Detection
Malfunction When supplying power to the swing motor for a certain length (approx. 30 seconds) is unable to
reverse the micro switch ON/OFF to fix positioning
Decision
Conditions
★
Supposed
Causes
Troubleshooting
112
Despite the malfunction code being indicated, the system continues operation.
Defective motor
Defective micro switch
Defective connection of the connector
Defective indoor unit PC board
Be sure to turn off power switch before connect or disconnect connector,
Caution or parts damage may be occurred.
Is the
connector correctly
connected to X29A/
X14A on the PC
board?
YES
Is the
relay connector of
the limit switch correctly
connected?
YES
Cut the power off then
supply power again.
Does the swing flap
swing?
NO
Cut the power off then
supply power again. When
turning on the power,
measure the output voltage
at the connector X29A.
Is it AC 200V?
YES
NO
NO
Unplug X14A and cut the
power OFF then turn on the
YES
power again. When
supplying power, check the
continuity of the limit switch.
Does the
indication of continuity
positive/ negative
is reversed?
NO
NO
Connect correctly.
Connect correctly.
YES
Replace the indoor
unit PC board.
Replace the swing
motor assy.
Troubleshooting
SiBE26-701