Service manual

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Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Provide 220~240V power
supply.
NO
YES
Is power supply
220~240V provided?
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.
NO
Connect the connector to X9A
and turn on again.
Replace indoor unit PC board.
Replace swing motor.
(V2780)
The swing motor
works when the power
supply is turned off
and then back on.
The connector is
connected to X9A of
the indoor unit PC
board.
Indoor unit is a
model equipped
with a swing flap
function
The limit switch
functions normally.
The connecting cable
is short-circuited or
disconnected.
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
YESYES
YES
After
turning
the
swing-flap ON
and then stopping
with the remote
control, the voltage of
X6A of the indoor unit PC
board is 220 ~ 240 VAC (60
Hz) / 220 VAC (50 Hz)
when turnedon again
(within 30
seconds of
turning on
again).
The connecting cable
has no continuity.
When
the air flow
direction flap's cam
mechanism is
disconnected from the swing
motor, operation is normal
when turned on again.