NO
YES
LM wiring is
broken.
Is there
any disconnection
or breakage of
connector?
LM is locked.
Does LM turn
smoothly?
Is there
any problem on
the connection
link?
� Check at the indoor unit side.
Is the air
flow direction change
setting prohibited?
Check how LS reacts
when the power is turned
off and backed on again
Check the remote controller whether
it is fixed free flow setting or not.
YES
NO
The louver
link press LS till it is
heard a crick.
NO
NO
NO
YES
NO
YES
In cases of FDTW, FDTS
Does the louver
operate at the power
on?
Note (1) LM: Louver motor
(2) LS: Limit switch
YES
NO
NO
YES
NO
YES
YES
Operate after
waiting for more
than 1 minute.
It is normal if it can
be stopped by pressing
LS two times.
In cases of FDT, FDE and FDK
Check the remote controller whether
it is fixed free flow setting or not.