Troubleshooting by Error Code
SiUS341802EC
317
Part 6 Service Diagnosis
3.53.2 Inverter Radiation Fin Temperature Rise Abnormality (Fan PCB)
Applicable
Models
RXLQ72-120TAYCU, RXLQ72-120TAYCA, RXLQ72-120TBYCA, RXYQ72-168TAYCU,
RXYQ72-168TAYCA
Error Code
L4
Sub code: 06, 07, 18-21
Method of Error
Detection
Fan PCB radiation fin temperature is detected by the thermistor located inside the fan PCB circuit.
Error Decision
Conditions
Detected temperature exceeds a certain level.
Supposed
Causes
Radiation fin plate not fixed with screws
U0
error
Defective fan PCB
High outdoor air temperature
Troubleshooting
Continue operation.
Field factor. Radiation fin temperature
may have risen due to high outdoor air
temperature.
Turn ON the
power supply, and
then press the ON button.
Does the error
recur?
Replace the fan PCB (A5P, A6P).
YES
Rectify troubles.
Normal?
NO
Check for the cooling
conditions of radiation fin
used to cool the inverter.
(1) Is the radiation fin plate
fixed with screws?
(2) Error code
U0
is displayed
on the Error History
screen.
YES
NO
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
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...