Daikin SkyAir Service Manual page 174

SiBE28-804
Troubleshooting
Troubleshooting
Troubleshooting by Remote Controller Display / LED Display
Be sure to turn off power switch before connect or disconnect connector,
Caution or parts damage may be occurred.
Check the
connections of X20A
and X26A.
Are
X20A and
NO
X26A
properly
YES
Unplug X26A
and switch the
power supply on.
Check the voltage
between pins 1
and 3 of X26A.
Is
NO
there about
12 VDC?
YES
Check indoor unit
fan motor and
motor wiring.
Connect
X20A and X26A
correctly.
Replace indoor
unit PC board.
163