C6" Failure Of Combination (Between Indoor Unit Pc Board And Fan Pc Board) - Daikin SkyAir Service Manual

SiBE28-804
5.15 "C6" Failure of combination (between indoor unit PC
board and fan PC board)
C6
Remote
Controller
Display
LED indications The table below shows the LED indications.
Operation
Normal
Malfunctioning
Method of Conduct open line detection with PC board for fan (A2P) using indoor PC board (A1P).
Malfunction
Detection
Malfunction When the communication data of PC board for fan (A2P) is determined as incorrect.
Decision
Conditions
Supposed The possible causes are:
Causes
Troubleshooting
Troubleshooting
Malfunction of PC board for fan (A2P).
Connection defect of capacity setting adapter.
Setting mistake on site.
Be sure to turn off power switch before connect or disconnect connector,
Caution
or parts damage may be occurred.
Is the
type of PC
board for fan (A2P)
correct?
(*1)
YES
Was
indoor PC board
NO
(A1P) replaced with
supplementary PC
board?
YES
Was
correct capacity setting
adapter installed when replacing it
with supplementary PC
board?
YES
Troubleshooting by Remote Controller Display / LED Display
HAP (green)
5
5
NO
NO
HBP (green)
5
5
Replace it with correct PC board for
fan (A2P).
Install correct capacity setting
adapter.
After establishing transmission
for indoor and outdoor,
diagnose the operation again.
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