SiUS341802EC
Troubleshooting by Error Code
Part 6 Service Diagnosis
290
Note(s)
Reference
1. 208/230 V and 460 V models: A3P
575 V models: A4P
CHECK 4
Refer to page 372.
NO
YES
NO
YES
NO
Power ON
Restart the
compressor, and
then check for the
operation. Does the
error recur?
Has the
compressor started
up at high differential
pressure (0.5 MPa
(72.5 psi) or
more)?
The error recurs
at startup.
YES
YES
Power OFF
Power OFF
Power ON
Power ON
Power OFF
Pressure equalization failure.
Check for the refrigerant
system.
Quit work.
Pressure equalization failure
may have occurred. Check for
the refrigerant system.
YES
YES
NO
Replace the in
v
erter PCB.
(*1)
NO
The error recurs at
startup.
Continue operation.
The error could have
resulted from instantaneous
power failure.
A
Continue operation.
Replace the compressor.
CHECK 4
Is the power
transistor
normal?
This is not a failure of the
inverter PCB. Reinstall the
PCB.
Replace the compressor.
YES
NO
NO
The internal
wiring of the
compressor coil is
defecti
v
e.
The ins
u
lation
resistance of the rele
v
ant
compressor is low
(< 100 k
)
YES
Replace the in
v
erter
PCB. (*1)
Summary of Contents for VRV Aurora RXLQ-TATJU Series
Page 407: ...SiUS341802EC Wiring Diagrams Part 7 Appendix 400 RXLQ96 120TATJU RXLQ96 120TATJA 2D112581C...
Page 409: ...SiUS341802EC Wiring Diagrams Part 7 Appendix 402 RXLQ72TAYDU RXLQ72TAYDA 2D112582D...
Page 411: ...SiUS341802EC Wiring Diagrams Part 7 Appendix 404 RXLQ96 120TAYDU RXLQ96 120TAYDA 2D112583D...
Page 417: ...SiUS341802EC Wiring Diagrams Part 7 Appendix 410 FXFQ07 09 12 15 18 24 30 36 48TVJU 3D086460B...
Page 420: ...Wiring Diagrams SiUS341802EC 413 Part 7 Appendix FXZQ05 07 09 12 15 18TAVJU 3D110443A...
Page 425: ...SiUS341802EC Wiring Diagrams Part 7 Appendix 418 FXEQ07 09 12 15 18 24PVJU 3D098557A...
Page 426: ...Wiring Diagrams SiUS341802EC 419 Part 7 Appendix FXDQ07 09 12 18 24MVJU C 3D050501C...
Page 433: ...SiUS341802EC Wiring Diagrams Part 7 Appendix 426 FXHQ12 24 36MVJU 3D048116C...
Page 434: ...Wiring Diagrams SiUS341802EC 427 Part 7 Appendix FXAQ07 09 12 18 24PVJU 3D075354F...
Page 441: ...SiUS341802EC Wiring Diagrams Part 7 Appendix 434 VAM1200GVJU 3D073270D...
