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Troubleshooting by Indication on the Remote Controller
275
NO
Has the
fan driver caused
damage?
YES
Replace the
outdoor unit main
PCB.
∗
If the PCB
replaced is
badly damaged,
the fan motor is
likely to get
defective. To
make sure,
recheck the
compressor.
Turn ON the power
supply.
C
NO
Stop
(standby) before the
fan rotates.
YES
Recheck for the
power supply. If
there is no
problem with the
power supply,
replace the noise
filter PCB.
If the error
recurs, replace
the inverter PCB.
Power OFF
Power ON
B
NO
Has the main
PCB caused
damage?
YES
Replace the
outdoor unit main
PCB.
∗
If the PCB
replaced is
badly damaged,
the compressor
is likely to get
defective. To
make sure,
recheck the
compressor.