Troubleshooting by Error Code
SiUS341802EC
231
Part 6 Service Diagnosis
3.3.2 External Protection Device Abnormality (FXTQ-TA, FXTQ-TB, CXTQ-TA
Only)
Applicable
Models
FXTQ-TA, FXTQ-TB, CXTQ-TA
Error Code
A0-01
Method of Error
Detection
Detect open or short circuit between external input terminals in indoor unit.
Error Decision
Conditions
When an open circuit occurs between external input terminals.
Supposed
Causes
Activation of external protection device
Defective indoor unit PCB
Indoor unit fuse blown
24 VAC power is not supplied to TH2 and TR2 terminals (FXTQ-TA, FXTQ-TB) or R and C
terminals (CXTQ-TA) on the indoor unit PCB.
Troubleshooting
Fuse (F1U) is
blown.
24 VAC
power is supplied to
TH2 and TR2 terminals
(FXTQ-TA, FXTQ-TB) or
R and C terminals
(CXTQ-TA).
External
protection device
is connected to TB4 and
TB5 of the indoor unit
terminal.
The external
protection device is
opened.
Replace the indoor unit PCB.
Confirm that wiring follows
the wiring diagram and then
supply power to each
terminal.
Activation of external protection
device.
Replace the fuse (F1U).
YES
YES
NO
NO
NO
NO
YES
YES
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...