Troubleshooting by Error Code
SiUS341802E
233
Service Diagnosis
2.45 Momentary Power Failure during Test Operation
Error Code
L2
Applicable
Models
All outdoor unit models
Method of Error
Detection
Momentary power failure is detected by the PCB.
Error Decision
Conditions
Judgement is made by AC power frequency detection circuit on the outdoor unit main PCB
Supposed
Causes
Defective wiring
Defective outdoor unit main PCB
Troubleshooting
Error
recurs after
turning OFF the power
and ON again.
Any
disconnection
of connectors, loose
contact or wiring
disconnection in the
transmission wirings to the
outdoor unit main
PCB?
NO
YES
YES
NO
Temporary problem
Correct any fault.
Replace the outdoor unit
main PCB (A1P).
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Содержание Aurora Series
Страница 316: ...Wiring Diagrams SiUS341802E 303 Appendix 1 Wiring Diagrams 1 1 Outdoor Unit RXLQ72TATJU 2D112580A ...
Страница 317: ...SiUS341802E Wiring Diagrams Appendix 304 RXLQ96 120TATJU 2D112581A ...
Страница 318: ...Wiring Diagrams SiUS341802E 305 Appendix RXLQ72TAYDU 2D112582A ...
Страница 319: ...SiUS341802E Wiring Diagrams Appendix 306 RXLQ96 120TAYDU 2D112583A ...
Страница 320: ...Wiring Diagrams SiUS341802E 307 Appendix RXLQ72 96 120TAYCU RXYQ72 96 120 144 168TAYCU 2D112579A ...
Страница 330: ...Wiring Diagrams SiUS341802E 317 Appendix 1 3 2 Energy Recovery Ventilator VAM Series VAM300 470 600GVJU 3D073269C ...
Страница 331: ...SiUS341802E Wiring Diagrams Appendix 318 VAM1200GVJU 3D073270C ...
Страница 332: ...Revision History Month Year Version Revised contents 04 2018 SiUS341802E First edition ...