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Turn off indoor unit
and rotate cross-flow
fan by hand when the
unit is on standby.
At this time, is it possible to
detect DC 1V or more
between
5
+
and
3
–
of motor connector
(CN
31).
Is it possible to
change airflow level
to “HIGH”?
Is it possible to
rotate cross-flow fan by
hand properly?
Fan motor
operates normally.
Replace bearing
of cross-flow fan.
YES
YES
YES
NO
NO
NO
Does check cross-flow
fan bearing normal
condition?
Replace indoor
fan motor.
Peplace main
P.C. board.
Does check display
on remote show high?
Change the new PC
board. Does fan speed
change?
Replace
remote
Replace
motor
NO
NO
NO
YES
YES
YES
– 80 –
FILE NO. SVM-10019
A
B