![background image](http://html1.mh-extra.com/html/daikin/rxsq24tavju/rxsq24tavju_service-manual_2459946242.webp)
Troubleshooting by Error Code
SiUS331708EA
229
Service Diagnosis
4.53 Transmission Error between Main and Sub Remote
Controllers
Error Code
U8
Applicable
Models
All indoor units
Method of Error
Detection
In case of controlling with 2 remote controllers, check the system using microcomputer if signal
transmission between indoor unit and remote controller (main and sub) is normal.
Error Decision
Conditions
Normal transmission does not continue for specified period.
Supposed
Causes
Transmission error between main and sub remote controller
Connection between sub remote controllers
Defective remote controller PCB
Troubleshooting
Refer to page 29 for Main/Sub setting.
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Main/Sub
setting of both remote
controllers is set to
Sub.
Main/Sub setting of
the remote controller is
set to Main.
Set Main/Sub setting to
Main; turn power supply
OFF once and then restart.
Set Main/Sub setting of one
of the remote controllers to
Main; turn power supply
OFF once and then restart.
Turn the power OFF and
then restart. If an error
occurs, replace the remote
controller PCB.
YES
YES
YES
NO
NO
NO
Using 2 remote
controllers.
Summary of Contents for RXSQ24TAVJU
Page 1: ...Service Manual SiUS331708EA RXSQ24 36 48 60TAVJU Heat Pump 60 Hz...
Page 290: ...Wiring Diagrams SiUS331708EA 277 Appendix RXSQ48TAVJU 3D109546A...
Page 291: ...SiUS331708EA Wiring Diagrams Appendix 278 RXSQ60TAVJU 3D109547A...
Page 295: ...SiUS331708EA Wiring Diagrams Appendix 282 FXZQ05 07 09 12 15 18TAVJU 3D110443A...
Page 298: ...Wiring Diagrams SiUS331708EA 285 Appendix FXEQ07 09 12 15 18 24PVJU 3D098557A...
Page 300: ...Wiring Diagrams SiUS331708EA 287 Appendix FXSQ05 07 09 12 15 18 24 30 36 48 54TAVJU 3D110467B...
Page 301: ...SiUS331708EA Wiring Diagrams Appendix 288 FXMQ07 09 12 15 18 24 30 36 48 54PBVJU 3D093209B...
Page 302: ...Wiring Diagrams SiUS331708EA 289 Appendix FXHQ12 24 36MVJU 3D048116C...
Page 303: ...SiUS331708EA Wiring Diagrams Appendix 290 FXAQ07 09 12 18 24PVJU 3D075354C...
Page 309: ...SiUS331708EA Wiring Diagrams Appendix 296 VAM1200GVJU 3D073270D...