NO
YES
YES
YES
NO
NO
YES
NO
NO
YES
YES
NO
YES
NO
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Is the
voltage between L1
and N of power terminal board
X1M within the power supply
voltage ±10%?
Does the fan
motor connector
disconnect?
Are there any
obstacles around
the fan?
Is pin-to-pin
resistance greater than
the threshold value?
Is fuse F6U blown?
Is fuse F6U blown?
Do the fan
blades spin smoothly
by hand after disconnecting
the fan motor
connector?
CHECK 16
Check the fan motor connector.
Calibrate the power voltage.
If L1 and N phases are
disconnected, replace the
power distribution box.
Connect the connector.
Remove the obstacles.
Replace the fan motor.
Replace the fan motor.
Replace the outdoor main PCB
(A1P).
Replace the fuse.
Replace the fuse.
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