Specifications

SiBE18-821 Troubleshooting for SkyAir Indoor Unit
Troubleshooting 281
Troubleshooting
Check No.01
Refer to P.292
NO
YES
Is the
harness from the fan
motor correctly connected to
X20A connector on
A1P?
YES
Is there
any foreign matter
around the fan?
NO
NO
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
Turn off the power supply.
Check No. 01
Check for the fan motor
connector.
Remove the foreign matter.
Connect correctly.
Replace the fan motor.
Replace the indoor unit PCB.
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
(Q0535)