Daikin VRVIII-S, Service Manual

Page: 139 / 266

Troubleshooting by Indication on the remote control SiENBE34-703
128 Troubleshooting
Troubleshooting
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Provide 220~240V power
supply.
Caution
Is power supply
220~240V provided?
NO
YES
Indoor unit is a
model equipped
with a swing flap
function
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.
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
(or X15A) of the
indoor unit PC
board.
The limit switch
functions normally.
The connecting
cable is
short-circuited or
disconnected.
After turning the swing-flap ON
and then stopping with the remote
control, 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).
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.
NO
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES