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SiEN18-622
Troubleshooting for SkyAir Indoor Unit
Troubleshooting
339
Troubleshooting
Check No.01
Refer to P.350
Connect correctly.
Remove the foreign matter.
NO
YES
YES
Replace the fan motor.
YES
NO
NO
Check No. 01
YES
Replace the indoor unit PCB.
Turn off the power supply.
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
(Q0414)
Is the
harness from the fan
motor correctly connected to X20A
connector on A1P?
Is there any
foreign matter
around the fan?
Does
the resistance
between U,V,W phases
of fan motor balance each
other? Is there short circuit
between U,V,W
phases
respectively?
Check for the fan motor
connector.
Summary of Contents for FTKS50BVMB
Page 1: ...SiEN18 622 E Series Service Manual Applied Models zSuper Multi Plus Cooling Only Heat Pump ...
Page 105: ...Refrigerant Flow for Each Operation Mode SiEN18 622 92 Refrigerant Circuit ...
Page 157: ...Indoor Unit SkyAir Models SiEN18 622 144 Function ...
Page 312: ...SiEN18 622 Ceiling Mounted Cassette Type System Configuration 300 ...
Page 424: ...Method of Replacing The Inverter s Power Transistors Modules SiEN18 622 412 Troubleshooting ...
Page 446: ...Wiring Diagrams SiEN18 622 434 Appendix ...
Page 452: ...SiEN18 622 vi Index ...