Daikin RXYSQ4-5-6PA7V1B Service Manual page 159

Troubleshooting by Indication on the Remote Controller
Troubleshooting
148
Be sure to turn off power switch before connect or disconnect connector,
Caution or parts damage may be occurred.
Is power supply
220~240V 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 back
on.
NO
After
turning
the swing-flap
ON and then stopping
with the remote controller,
the voltage of X6A (or X29A) of
the indoor unit PC board is 220 ~ 240
VAC (50 Hz) / 220 VAC
(60 Hz) when turned on
again (within 30
seconds of
turning on
again).
YES
The connecting cable
has no continuity.
NO
When
the air flow
direction flap's cam
mechanism is disconnected
from the swing motor,
operation is normal
when turned
on again.
YES
NO
NO
The connector
YES
is connected to X9A (or X15A) of
the indoor unit PC
board.
YES
The limit switch
functions normally.
YES
The connecting
cable is short-circuited
or disconnected.
NO
NO
YES
NO
SiBE34-802
Provide 220~240V power
supply.
Replace indoor unit PC board.
NO
Connect the connector to X9A
and turn on again.
NO
Replace swing motor.
YES
Replace the limit switch
connecting cable.
Replace indoor unit PC board.
Replace the power supply
connecting cable.
Replace swing motor.
Take the cam mechanism
apart, reassemble and turn on
again.
Troubleshooting
(V2780)