Daikin R71FUV1 Service Manual page 451

Si20-701_B
Remote Controller Display
UE
Applicable Models
Centralized remote controller
Schedule timer
All models of indoor units of RZQG and RZQ-C series
Method of Error Detection
Micro-computer checks if transmission between indoor
unit and centralized controller is normal.
Error Decision Conditions
When transmission is not carried out normally for a
certain amount of time
Supposed Causes
Transmission error between optional controllers for
centralized control and indoor unit
Defective indoor unit PCB
For RZQG
Defective PCB for central remote controller
Breaking and wrong wiring of connecting wire
Failure of the setting of group No. and address
444
Troubleshooting by Remote Controller