SiAF341904E
5.58 Transmission Error between Centralized Controller and
Indoor Unit
Applicable
All indoor unit models
Schedule timer
Models
Central remote controller
UE
Error Code
Method of Error
Microcomputer checks if transmission between indoor unit and centralized controller is normal.
Detection
Error Decision
Transmission is not carried out normally for a certain amount of time
Conditions
Supposed
Transmission error between optional controllers for centralized controller and indoor unit
Causes
Connector for setting main controller is disconnected.
Defective PCB for central remote controller
Defective indoor unit PCB
Part 6 Service Diagnosis
(or disconnection of connector for independent / combined use changeover switch.)
Troubleshooting by Error Code
281