Daikin Super Multi Plus D-Series Service Manual page 285

Troubleshooting for SkyAir Indoor Unit
Troubleshooting
Check No.01
Refer to P.285
274
Be sure to turn off power switch before connect or disconnect connector,
Caution
or parts damage may be occurred.
Turn off the power supply.
Is there any
YES
foreign matter
around the fan?
NO
Is the
harness from the fan
NO
motor correctly connected to
X20A connector on
A1P?
YES
Check No. 01
Check for the fan motor
connector.
Does
the resistance
between U,V,W phases
of fan motor balance each
NO
other? Is there short circuit
between U,V,W
YES
phases
respectively?
YES
SiEBE18-526
Remove the foreign matter.
Connect correctly.
Replace the fan motor.
Replace the indoor unit PCB.
(Q0414)
Troubleshooting