Troubleshooting by Error Code
SiUS341802EC
337
Part 6 Service Diagnosis
Note(s)
Reference
1. 208/230 V and 460 V models: A3P
575 V models: A4P
CHECK 4
Refer to page 372.
The
inverter PCB has
damage.
The
system enters
standby mode before the
outdoor fan starts
rotating.
The
system enters
standby mode before
completing the startup
operation of the
compressor.
The error
U2
recurs.
NO
NO
YES
YES
NO
YES
NO
YES
Replace the inverter PCB.
(*1)
Check for wirings.
Turn ON the power supply,
and then press the ON button.
Replace the inverter PCB.
(*1)
If the inverter PCB gets
severely damaged, the
compressor and the fan
motor (M1F, M2F) may
have been damaged.
Replace the inverter PCB.
(*1)
If the inverter PCB gets
severely damaged, check
for the compressor.
Continue operation.
The error could have
resulted from causes such
as instantaneous power
failure.
A
Is the power
transistor normal?
YES
NO
Replace the inverter PCB.
(*1)
Connect and disconnect the
following connectors:
(1) X6A (Inverter PCB)
X28A (A1P)
(2) X63A (Inverter PCB)
X40A (A1P)
CHECK 4
The insulation
resistance of the fan
motor is less than
1 M
.
NO
YES
Replace the fan motor
(M1F, M2F).
If the motor gets severely
damaged, the inverter
PCB should also be
replaced.
Содержание VRV Aurora RXLQ-TATJU Series
Страница 376: ...Check SiUS341802EC 369 Part 6 Service Diagnosis Reference Reference CHECK 7 Refer to page 378 CHECK 8 Refer to page 379...
Страница 405: ...SiUS341802EC Wiring Diagrams Part 7 Appendix 398 1 Wiring Diagrams 1 1 Outdoor Unit RXLQ72TATJU RXLQ72TATJA 2D112580C...
Страница 407: ...SiUS341802EC Wiring Diagrams Part 7 Appendix 400 RXLQ96 120TATJU RXLQ96 120TATJA 2D112581C...
Страница 409: ...SiUS341802EC Wiring Diagrams Part 7 Appendix 402 RXLQ72TAYDU RXLQ72TAYDA 2D112582D...
Страница 411: ...SiUS341802EC Wiring Diagrams Part 7 Appendix 404 RXLQ96 120TAYDU RXLQ96 120TAYDA 2D112583D...
Страница 417: ...SiUS341802EC Wiring Diagrams Part 7 Appendix 410 FXFQ07 09 12 15 18 24 30 36 48TVJU 3D086460B...
Страница 418: ...Wiring Diagrams SiUS341802EC 411 Part 7 Appendix BYCQ125BGW1 Self Cleaning Decoration Panel for FXFQ T 3D076375A...
Страница 420: ...Wiring Diagrams SiUS341802EC 413 Part 7 Appendix FXZQ05 07 09 12 15 18TAVJU 3D110443A...
Страница 425: ...SiUS341802EC Wiring Diagrams Part 7 Appendix 418 FXEQ07 09 12 15 18 24PVJU 3D098557A...
Страница 426: ...Wiring Diagrams SiUS341802EC 419 Part 7 Appendix FXDQ07 09 12 18 24MVJU C 3D050501C...
Страница 427: ...SiUS341802EC Wiring Diagrams Part 7 Appendix 420 FXSQ05 07 09 12 15 18 24 30 36 48 54TAVJU C 3D110467C...
Страница 429: ...SiUS341802EC Wiring Diagrams Part 7 Appendix 422 FXMQ07 09 12 15 18 24 30 36 48 54PBVJU 3D093209B...
Страница 433: ...SiUS341802EC Wiring Diagrams Part 7 Appendix 426 FXHQ12 24 36MVJU 3D048116C...
Страница 434: ...Wiring Diagrams SiUS341802EC 427 Part 7 Appendix FXAQ07 09 12 18 24PVJU 3D075354F...
Страница 441: ...SiUS341802EC Wiring Diagrams Part 7 Appendix 434 VAM1200GVJU 3D073270D...