Daikin Super Multi Plus E-Series - Malfunction of Transmission between Central Remote Control and Indoor Unit

Troubleshooting for Outdoor Unit SiEN18-622
400 Troubleshooting
7.35 Malfunction of Transmission between Central Remote
Control and Indoor Unit
Remote Control
Display
UE
Applicable
Models
AII indoor unit models
Centralized controller
Method of
Malfunction
Detection
Microcomputer checks if transmission between indoor unit and centralized remote control is
normal.
Malfunction
Decision
Conditions
When transmission is not carried out normally for a certain amount of time
Supposed
Causes
 Malfunction of transmission between optional controllers for centralized control and indoor
unit
 Connector for setting master controller is disconnected.
 Failure of PCB for centralized remote control
 Defect of indoor unit PCB