Request an improvement to
make the power supply voltage
fall within the standard range.
External factor (Noise, etc.)
NO
Replace the fan motor.
NO
Replace the fan motor.
NO
Replace the fuse. Use only
specified fuses.
NO
NO
Caution
Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred.
Turn OFF the power supply, and
remove the connector for fan motor,
and then operate again.
Replace the outdoor unit PCB
(A1P).
"L1" is displayed?
YES
YES
Turn the power ON again.
YES
Connect securely.
NO
YES
Check the resistance value for the fan
motor.
YES
YES
CHECK 5
Is the power supply
voltage between 180
and 220 VAC?
Is the resistance value of
the fan motor normal?
Does the fuse
have continuity?
Is
the lead wire
connected to the PCB and the
compressor
securely?
Error is displayed again?
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