Daikin SkyAir RZR-TA Series Service Manual page 214

Be sure to turn off the power switch before connecting or disconnecting
Caution connectors, or parts may be damaged.
Does
the fan PCB part
NO
No. match that of the
spare parts list?
YES
Was the
indoor unit PCB
NO
(A1P) replaced
with a spare
PCB?
YES
Was the
correct capacity
NO
setting adaptor installed
when replacing it with
a spare PCB?
YES
Replace it with correct fan PCB
(A2P).
After establishing transmission for
indoor and outdoor, diagnose the
operation again.
Install the correct capacity setting
adaptor.
After establishing transmission for
indoor and outdoor, diagnose the
operation again.