Mitsubishi PK12FK Instruction Manual page 49

4. OTHER TROUBLES AND CAUSES
t
vanes do not work.
Unit stops after 5 to
20 seconds operation
t
Air discharge display
is OFF and air dis-
charge button does
not operate.
In this case, remote
controller is normal.
t
Power ON/OFF button
is not available.
Vane motor does not work.
Limit switch does not work.
Connector is poorly connected.
Vane motor is poorly assembled.
Indoor controller board is damaged.
Protection function is working.
Indoor controller board
t
deems the auto vanes
are not attached to the
unit.
Horizontal angle can
t
not be detected.
Beep sound is heard,
t
but display is turned
OFF.
Beep sound is not
heard, and display
remains OFF.
t
"CENTRALLY CONTROLLED" is displayed.
OC196A-49
Vane motor is damaged.
t
Vane motor relay is damaged.
t
Limit switch is damaged.
The size of the cam is wrong.
Refer to check code on remote controller display.
t
See page OC196A-47.
Indoor controller is
damaged.
Dip switch setting is
wrong.
t
Indoor controller is
damaged.
Vane motor is dam-
aged.
t
Vane motor limit switch
is poorly connected.
Auto vane is wired after
power is turned to ON.
Indoor/outdoor connect-
ing wire is connected
incorrectly.
Indoor/outdoor connect-
ing wire shorts.
Compressor protector is
damaged.
Outdoor controller
board is defective.
t
Remote controller is
damaged.
Transmission wire is
poorly connected
Vane motor limit switch
is damaged.
Vane motor is dam-
aged.
Poorly connected
Disconnected
Transmission wire is
damaged.
Connector is poorly
connected.
Indoor terminal block is
poorly connected.
Remote controller ter-
minal block is poorly
connected.