Troubleshooting by Error Code
SiUS371901EB
299
Part 6 Service Diagnosis
Troubleshooting
The
fan motor
connectors (X1A
and X2A) of the fan PCB
(A2P) are
disconnected.
Remove the foreign matter.
YES
Connect the connector correctly.
YES
NO
The
connectors
between the
indoor unit control
PCB (A1P) and the fan
PCB (A2P) are
disconnected.
Connect the connector correctly.
YES
NO
The
fuse (F3U,
white) on the fan
PCB (A2P) has no
continuity.
Replace the fan PCB (A2P).
NO
Replace the indoor fan motor (M1F).
YES
NO
YES
The
fan can be
moved lightly by
hand after the fan
motor connector of the
fan PCB (A2P) is
removed.
Replace the indoor fan motor (M1F).
NO
YES
NO
YES
There is a
foreign matter around
the fan.
The
resistance
between the
power wire terminals
of the fan motor and
motor frame (metal
part) is 1 M
Ω
or below.
Turn OFF the power and
wait for 10 minutes.
A
Remove the power wire
connector from the fan
motor and measure the
resistance between U
and V, V and W, and W
and U phases.
CHECK 16
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Go to the next page.
Summary of Contents for REYQ72-432XAYCU
Page 455: ...SiUS371901EB Wiring Diagrams Part 7 Appendix 448 REYQ144 168XATJU REYQ144 168XATJA 2D119206B ...
Page 457: ...SiUS371901EB Wiring Diagrams Part 7 Appendix 450 REYQ144 168XAYDU REYQ144 168XAYDA 2D119208C ...
Page 461: ...SiUS371901EB Wiring Diagrams Part 7 Appendix 454 FXZQ05 07 09 12 15 18TAVJU 3D110443A ...
Page 463: ...SiUS371901EB Wiring Diagrams Part 7 Appendix 456 FXEQ07 09 12 15 18 24PVJU 3D098557A ...
Page 464: ...Wiring Diagrams SiUS371901EB 457 Part 7 Appendix FXDQ07 09 12 18 24MVJU C 3D050501C ...
Page 468: ...Wiring Diagrams SiUS371901EB 461 Part 7 Appendix FXHQ12 24 36MVJU 3D048116C ...
Page 469: ...SiUS371901EB Wiring Diagrams Part 7 Appendix 462 FXAQ07 09 12 18 24PVJU 3D075354F ...
Page 475: ...SiUS371901EB Wiring Diagrams Part 7 Appendix 468 VAM1200GVJU 3D073270D ...
Page 478: ...Wiring Diagrams SiUS371901EB 471 Part 7 Appendix BS6 8Q54TVJ 2D089122B ...
Page 479: ...SiUS371901EB Wiring Diagrams Part 7 Appendix 472 BS10 12Q54TVJ 2D089121B ...
Page 481: ...SiUS371901EB Wiring Diagrams Part 7 Appendix 474 BSF6 8Q54TVJ 2D123905A ...