Service manual

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Check the indoor unit fan motor
and the wiring circuits of the
motor.
Replace the indoor unit PC
board.
Properly connect the connectors.
(At this time, check for any
faulty connector contact or
broken wires.)
Are the
X4A and X27A
connectors securely
connected?
Is the
power of approx.
12VDC supplied between the
Pins1 and 3 when the X27A is
disconnected and the power
supply turns ON?
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.