C1" Failure Of Transmission (Between Indoor Unit Pc Board And Fan Pc Board) - Daikin SkyAir Service Manual

SiBE28-804
5.13 "C1" Failure of transmission (between indoor unit PC
board and fan PC board)
C1
Remote
Controller
Display
LED indications The table below shows the LED indications.
Operation
Normal
Malfunctioning
Method of Check the condition of transmission between indoor PC board (A1P) and PC board for fan
(A2P) using computer.
Malfunction
Detecion
Malfunction When normal transmission is not conducted for certain duration.
Decision
Conditions
Supposed
Causes
Troubleshooting
Connection defect of the connecter between indoor PC board (A1P) and PC board for fan
(A2P).
Malfunction of indoor PC board (A1P).
Malfunction of PC board for fan (A2P).
External factor, such as instantaneous blackout.
Troubleshooting by Remote Controller Display / LED Display
HAP (green)
5
5
HBP (green)
5
5
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