Transmission Error Between Centralized Controller And Indoor Unit - Daikin RXYQ-TA Series Service Manual

Troubleshooting by Error Code
3.66 Transmission Error between Centralized Controller and
Indoor Unit
UE
Error Code
Applicable
All indoor unit models
Central remote controller
Models
Method of Error Microcomputer checks if transmission between indoor unit and centralized controller is normal.
Detection
Error Decision When transmission is not carried out normally for a certain amount of time
Conditions
Supposed
Causes
285
Schedule timer
Transmission error between optional controllers for centralized controller and indoor unit
Connector for setting main controller is disconnected.
(or disconnection of connector for independent / combined use changeover switch.)
Defective PCB for central remote controller
Defective indoor unit PCB
SiUS341615E
Service Diagnosis