NO
YES
Remove the fan motor connector.
YES
Remove the foreign matter.
NO
Replace the fan motor.
CHECK 5
NO
Properly plug the fan motor connector
and then turn the power ON again.
YES
Replace the fan motor.
NO
YES
Replace the fuse.
Error is displayed?
YES
Replace the outdoor unit
inverter PCB.
External factor (Noise, etc.)
NO
A
Is there any
foreign matter around
the fan?
Is the fan
rotatable easily by
hand?
Check the resistance value for the fan
motor.
Is the
resistance value of the fan motor
normal?
Does the fuse (F6U)
have continuity?
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