SiBE18-821_C Troubleshooting for Outdoor Unit
Troubleshooting 419
7.32 Transmission Error between Centralized Remote
Controller and Indoor Unit
Remote
Controller
Display
UE
Method of
Malfunction
Detection
Microcomputer checks if transmission between indoor unit and centralized remote controller is
normal.
Malfunction
Decision
Conditions
When transmission is not carried out normally for a certain amount of time
Supposed
Causes
îš„
Transmission error between optional controllers for centralized control and indoor unit
îš„
Connector for setting master controller is disconnected.
îš„
Defective PCB of centralized remote controller
îš„
Defective indoor unit PCB