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SiEN18-622
Troubleshooting for SkyAir Indoor Unit
Troubleshooting
341
Troubleshooting
Disconnect X14A,
turn the power supply
off once and back on,
and check if the limit
switch has continuity
when the power
supply is turned back
on.
Is
the limit
switch's transfer
connector correctly
connected?
Does the swing
flap motor swing?
Are
the connectors
correctly connected
to X29A and X14A
on the PC
board?
Does
continuity/no
continuity
reverse?
220-240 VAC?
YES
Turn the power supply
off once and back on,
and measure the
output voltage of
connector X29A when
the power supply is
turned back on.
Turn the power supply
off once and back on,
and check whether the
swing flap motor
swings when the
power supply is turned
back on.
(S2009)
Connect correctly.
Replace the indoor unit P.C.B.
Replace the swing flap motor.
Connect correctly.
NO
NO
NO
NO
NO
YES
YES
YES
YES
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
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 ...