Daikin E-Series Service Manual page 350

SiAU18-715
Troubleshooting
Check No.01
Refer to P.348
Troubleshooting
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 foreign matter
around the fan?
NO
Is the
harness from the fan
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 other? Is there
short circuit between
U,V,W phases
respectively?
YES
YES
NO
NO
Troubleshooting for SkyAir Indoor Unit
Remove the foreign matter.
Connect correctly.
Replace the fan motor.
Replace the indoor unit PCB.
(Q0535)
337