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Troubleshooting by Indication on the Remote Controller
83
Troubleshooting
NO
Caution
Be sure to turn off the power switch before
connecting or disconnecting connectors, or
parts may be damaged.
YES
YES
YES
NO
NO
Was
the correct
capacity setting
adaptor installed
when replacing it
with a spare
PCB?
After establishing
transmission for
indoor and
outdoor,
diagnose the
operation again.
Replace it with
the correct fan
PCB.
Install the correct
capacity setting
adaptor.
Is the
type of fan PCB
correct?
Was
the
indoor unit PCB
replaced with a spare
PCB?