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OC277-47
Vanes do not work.
Vane motor does not work.
Connector is poorly connected.
Vane motor is poorly assembled.
Indoor controller board is damaged.
Unit stops after 5 to
20 seconds operation
Protection function is working.
Air discharge display
is OFF and AIR DIS-
CHARGE button does
not operate.
Indoor controller board
deems the auto vanes
are not attached to the
unit.
Horizontal angle can
not be detected.
In this case, remote
controller is normal.
Power ON/OFF button
is not available.
Beep sound is heard,
but display is turned
OFF.
Beep sound is not heard,
and display remains OFF.
Indoor/outdoor connect-
ing wire is connected
incorrectly.
Indoor/outdoor connect-
ing wire shorts.
Compressor protector
is damaged.
Outdoor controller
board is defective.
Remote controller is
damaged.
Transmission wire is
poorly connected
Transmission wire is
damaged.
Connector is poorly
connected.
Indoor terminal block is
poorly connected.
Remote controller ter-
minal block is poorly
connected.
Vane motor is damaged.
Vane motor relay is damaged.
Refer to check code on remote controller display.
See page OC277-45.
Indoor controller is
damaged.
Dip switch setting is
wrong.
Indoor controller is
damaged.
Vane motor is dam-
aged.
Auto vane is wired after
power is turned to ON.
Vane motor is damaged.
4. OTHER TROUBLES AND CAUSES
“CENTRALLY CONTROLLED” is displayed.
OC277--2.qxp 1.12.14 1:42 PM Page 47