Troubleshooting by Error Code
SiUS371901E
319
Service Diagnosis
Troubleshooting
Model
Inverter PCB (
∗
1)
Fan PCB (
∗
2)
REYQ-XATJU
A3P
M1F: A4P
M2F: A5P
REYQ-XAYDU
A3P
M1F: A4P
M2F: A5P
REYQ-XAYCU
A4P
M1F: A6P
M2F: A5P
Is the
insulation to
ground resistance of
the relevant compressor
100 k
Ω
or
more?
The error could have resulted from
external factors other than failures
(e.g. external noise or thunder).
YES
Replace the compressor and the
inverter PCB together
(
∗
1)
.
Replace the inverter PCB
(
∗
1)
.
NO
NO
YES
Replace the inverter PCB
(
∗
1)
and the
fan PCB
(
∗
2)
.
Replace the inverter
(
∗
1)
PCB.
NO
YES
Turn OFF the power supply
once, and then turn it ON
again.
NO
YES
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Return to normal?
CHECK 4
Is the power
transistor normal?
CHECK 4
Is the power
transistor of the fan
driver normal?
CHECK 4
Summary of Contents for REYQ-XA
Page 1: ...Service Manual SiUS371901E REYQ72 456XATJU REYQ72 456XAYDU REYQ72 432XAYCU Heat Recovery 60 Hz...
Page 415: ...SiUS371901E Wiring Diagrams Appendix 402 REYQ144 168XATJU 2D119206A...
Page 416: ...Wiring Diagrams SiUS371901E 403 Appendix REYQ72 96 120XAYDU 2D119207B...
Page 417: ...SiUS371901E Wiring Diagrams Appendix 404 REYQ144 168XAYDU 2D119208B...
Page 418: ...Wiring Diagrams SiUS371901E 405 Appendix REYQ72 96 120 144 168XAYCU 2D119209A...
Page 421: ...SiUS371901E Wiring Diagrams Appendix 408 FXZQ05 07 09 12 15 18TAVJU 3D110443A...
Page 423: ...SiUS371901E Wiring Diagrams Appendix 410 FXEQ07 09 12 15 18 24PVJU 3D098557A...
Page 425: ...SiUS371901E Wiring Diagrams Appendix 412 FXSQ05 07 09 12 15 18 24 30 36 48 54TAVJU C 3D110467C...
Page 426: ...Wiring Diagrams SiUS371901E 413 Appendix FXMQ07 09 12 15 18 24 30 36 48 54PBVJU 3D093209B...
Page 428: ...Wiring Diagrams SiUS371901E 415 Appendix FXHQ12 24 36MVJU 3D048116C...
Page 429: ...SiUS371901E Wiring Diagrams Appendix 416 FXAQ07 09 12 18 24PVJU C 3D075354D...
Page 435: ...SiUS371901E Wiring Diagrams Appendix 422 VAM1200GVJU 3D073270D...
Page 437: ...SiUS371901E Wiring Diagrams Appendix 424 1 4 2 Multi Branch Selector Unit BS4Q54TVJ 3D089123B...
Page 438: ...Wiring Diagrams SiUS371901E 425 Appendix BS6 8Q54TVJ 2D089122B...
Page 439: ...SiUS371901E Wiring Diagrams Appendix 426 BS10 12Q54TVJ 2D089121B...
Page 440: ...Revision History Month Year Version Revised contents 04 2019 SiUS371901E First edition...