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Troubleshooting by Error Code
SiME341909EA
250
Part 6 Service Diagnosis
5.57 Other Indoor Units and Outdoor Unit Abnormality
Applicable
Models
All indoor unit models
All outdoor unit models
Error Code
U9
Method of Error
Detection
Detect the error signal for the other indoor unit within the circuit by outdoor unit main PCB.
Error Decision
Conditions
The error decision is made on any other indoor units within the system concerned.
Supposed
Causes
Transmission error between other indoors and outdoor units
Defective electronic expansion valve of other indoor unit
Defective indoor unit PCB of other indoor unit
Improper connection of transmission wiring between indoor and outdoor unit
Troubleshooting
U9
has
been displayed for 2
minutes or more.
The outdoor unit main PCB
indicated by the error code
U9
is
normal.
Check for the indoor unit of other
system, and then conduct
troubleshooting by diagnosis
according to the Error Code
Flowchart.
Re-diagnose by display after
passage of 2 minutes or more.
NO
Turn ON all indoor units.
YES
YES
Continue the operation.
NO
All the units are
display
U9
.
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Содержание VRV X RXQ6-48ANR Series
Страница 1: ...Service Manual Cooling Only 50 60 Hz RXQ6 48A N R Series SiME341909EA...
Страница 287: ...SiME341909EA Part 7 Appendix 281 1 Wiring Diagrams 282 1 1 Outdoor Unit 282 1 2 Indoor Unit 285 Part 7 Appendix...
Страница 288: ...Wiring Diagrams SiME341909EA 282 Part 7 Appendix 1 Wiring Diagrams 1 1 Outdoor Unit RXQ6 8ARYFK 3D124186A...
Страница 289: ...SiME341909EA Wiring Diagrams Part 7 Appendix 283 RXQ10 12ARYFK 2D124184...
Страница 290: ...Wiring Diagrams SiME341909EA 284 Part 7 Appendix RXQ14 16ARYFK 2D124183...
Страница 292: ...Wiring Diagrams SiME341909EA 286 Part 7 Appendix BYCQ125EASF Auto Grille Panel for FXFSQ AR 3D108035...
Страница 295: ...SiME341909EA Wiring Diagrams Part 7 Appendix 289 FXMQ40 50 63 80 100ARV1 3D127112 04 59...
Страница 296: ...Wiring Diagrams SiME341909EA 290 Part 7 Appendix 1 2 4 Wall Mounted Type FXAQ20 25 32 40 50 63ARVM 3D118250D...