SiUS372201EA
Troubleshooting by Error Code
Part 6 Service Diagnosis
396
Indication after
launch test
operation?
U4-03
The PCB of indoor units
displaying
U9
are normal.
Check for indoor units of
other systems to troubleshoot
them according to relevant
error codes.
NO
YES
Check controller indoor units :
(1) Some error about
thermistor, or fan motor
(M1F, M2F), electronic
expansion valve, or
defective PCB.
(2) Test operation was
interrupted by the
MODE
(BS1)
button.
YES
Check all indoor error
indication.
NO
Operate all indoor units.
YES
Do all units display
U9
?
Carry out the diagnosis again
after a lapse of 2 minutes or
more.
NO
Did 2 minutes or more
elapse after
U9
is
displayed?
Are the
indoor-outdoor
and outdoor-outdoor
transmission wirings
normal?
Disconnect
the outdoor-outdoor
transmission wiring.
Does the system normally
operate with a single
transmission
line?
Modify the transmission
wirings.
Replace the outdoor unit main
PCB (A1P).
Mount the DIII-NET extension
adaptor.
NO
NO
YES
YES
A
Содержание REYQ-AATJA
Страница 1: ...Service Manual Heat Recovery 60 Hz REYQ AATJA 208 230 V REYQ AAYDA 460 V SiUS372201EA...
Страница 433: ...SiUS372201EA Check Part 6 Service Diagnosis 426 Reference Reference CHECK 7 Refer to page 432 CHECK 8 Refer to page 433...
Страница 460: ...Wiring Diagrams SiUS372201EA 453 Part 7 Appendix REYQ72 96 120 144 168 192 216 240AAYDA C 2D131905G...
Страница 463: ...SiUS372201EA Wiring Diagrams Part 7 Appendix 456 1 2 2 Multi Branch Selector Unit Standard Series BS4Q54TVJ 3D089123B...
Страница 465: ...SiUS372201EA Wiring Diagrams Part 7 Appendix 458 BS6 8Q54TVJ 2D089122B...
Страница 466: ...Wiring Diagrams SiUS372201EA 459 Part 7 Appendix BS10 12Q54TVJ 2D089121B...
Страница 468: ...Wiring Diagrams SiUS372201EA 461 Part 7 Appendix 1 2 3 Multi Branch Selector Unit Flex Series BSF4Q54TVJ 3D123904A...
Страница 469: ...SiUS372201EA Wiring Diagrams Part 7 Appendix 462 BSF6 8Q54TVJ 2D123905A...
Страница 470: ...Wiring Diagrams SiUS372201EA 463 Part 7 Appendix 1 3 Indoor Unit FXFQ07 09 12 15 18 24 30 36 48TVJU 3D086460B...
Страница 471: ...SiUS372201EA Wiring Diagrams Part 7 Appendix 464 BYCQ125BGW1 Self Cleaning Decoration Panel for FXFQ TVJU 3D076375A...
Страница 472: ...Wiring Diagrams SiUS372201EA 465 Part 7 Appendix FXZQ05 07 09 12 15 18TAVJU 3D110443A...
Страница 476: ...Wiring Diagrams SiUS372201EA 469 Part 7 Appendix FXEQ07 09 12 15 18 24PVJU 3D098557A...
Страница 477: ...SiUS372201EA Wiring Diagrams Part 7 Appendix 470 FXDQ07 09 12 18 24MVJU C 3D050501C...
Страница 478: ...Wiring Diagrams SiUS372201EA 471 Part 7 Appendix FXSQ05 07 09 12 15 18 24 30 36 48 54TAVJU C 3D110467C...
Страница 480: ...Wiring Diagrams SiUS372201EA 473 Part 7 Appendix FXMQ07 09 12 15 18 24 30 36 48 54PBVJU 3D093209B...
Страница 483: ...SiUS372201EA Wiring Diagrams Part 7 Appendix 476 FXHQ12 24 36MVJU 3D048116C...
Страница 484: ...Wiring Diagrams SiUS372201EA 477 Part 7 Appendix FXAQ07 09 12 18 24PVJU 3D075354F...
Страница 490: ...Wiring Diagrams SiUS372201EA 483 Part 7 Appendix VAM1200GVJU 3D073270D...