Daikin SkyAir Service Manual page 226

SiBE28-804
Troubleshooting
Troubleshooting
Be sure to turn off power switch before connect or disconnect connector,
Caution or parts damage may be occurred.
Check
LED on outdoor
unit PC board. (Is the
voltage insufficient?)
YES
Is
the power
supply voltage between
220~240 VAC
±10%?
YES
Is the wiring correct?
YES
When the compressor is
running, measure the voltage
between + and - of
electrolytic capacitor (C+, C-).
Is the
measured voltage
220 VDC or more?
NO
Troubleshooting by Remote Controller Display / LED Display
NO
NO
NO
YES
Other factors
Field factors
Correct the wiring.
Monitor the voltage
(Instantaneous voltage drop)
Replace the outdoor PC board
(A2P).
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