A
This is not the LC error.
Recheck the error code.
NO
YES
The service
monitor (green) on the
outdoor unit main
PCB (A1P) is
blinking.
NO
YES
The service
monitor (green) on the
inverter PCB (A3P) is
blinking.
Properly connect the connector.
NO
YES
Is the
connector between
the inverter PCB and the fan
PCB securely connected?
Replace the fan PCB (3).
NO
YES
The service
monitor (green) on the fan
PCB (3) is blinking.
NO
Replace the outdoor unit main PCB
(A1P).
YES
Continue operation.
The error could have resulted from
causes such as instantaneous
power failure.
The LC error recurs.
Replace all of the inverter PCB (A3P),
the fan PCB (3) and the noise filter
PCB (A2P).
YES
Replace the inverter PCB (A3P).
NO
The fuse of the
noise filter PCB has blown
out.
Connect and disconnect the connector once to ensure that it is securely connected.
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