
SiUS342303E
Troubleshooting by Error Code
Part 6 Service Diagnosis
324
3.50 Inverter Radiation Fin Temperature Rise Abnormality
3.50.1 Inverter Radiation Fin Temperature Rise Abnormality (Inverter PCB)
Applicable
Models
All outdoor unit models
Error Code
L4
Sub code: 01, 02, 09, 10
Method of Error
Detection
Detect temperature of power module of the inverter PCB.
Error Decision
Conditions
Thermistor located inside the power module of the inverter PCB for compressor and fan motor.
Cooling tube plate poor heat-exchange.
Supposed
Causes
Cooling tube plate not fixed with screws
U0
error
Defective inverter PCB
High outdoor air temperature
Incorrect power supply voltage
Defective connection of connectors
Содержание VRV EMERION RXYQ-AATJA
Страница 1: ...Service Manual Heat Pump 60 Hz RXYQ AATJA 208 230 V RXYQ AAYDA 460 V SiUS342303E...
Страница 380: ...Check SiUS342303E 373 Part 6 Service Diagnosis Reference Reference CHECK 7 Refer to page 379 CHECK 8 Refer to page 380...
Страница 405: ...SiUS342303E Wiring Diagrams Part 7 Appendix 398 RXYQ72 96 120 144 168 192 216 240AAYDA C 2D140769B...
Страница 406: ...Wiring Diagrams SiUS342303E 399 Part 7 Appendix 1 2 Indoor Unit FXFQ07 09 12 15 18 24 30 36 48TVJU 3D086460B...
Страница 407: ...SiUS342303E Wiring Diagrams Part 7 Appendix 400 BYCQ125BGW1 Self Cleaning Decoration Panel for FXFQ TVJU 3D076375A...
Страница 410: ...Wiring Diagrams SiUS342303E 403 Part 7 Appendix FXEQ07 09 12 15 18 24PVJU 3D098557A...
Страница 411: ...SiUS342303E Wiring Diagrams Part 7 Appendix 404 FXDQ07 09 12 18 24MVJU C 3D050501C...
Страница 413: ...SiUS342303E Wiring Diagrams Part 7 Appendix 406 FXMQ07 09 12 15 18 24 30 36 48 54PBVJU 3D093209B...
Страница 416: ...Wiring Diagrams SiUS342303E 409 Part 7 Appendix FXHQ12 24 36MVJU 3D048116C...
Страница 417: ...SiUS342303E Wiring Diagrams Part 7 Appendix 410 FXAQ07 09 12 18 24PVJU 3D075354F...
Страница 423: ...SiUS342303E Wiring Diagrams Part 7 Appendix 416 1 3 2 Energy Recovery Ventilator VAM Series VAM300 470 600GVJU 3D073269D...
Страница 424: ...Wiring Diagrams SiUS342303E 417 Part 7 Appendix VAM1200GVJU 3D073270D...