Malfunction Of Transmission Between Central Remote Controller And Indoor Unit - Daikin E-Series Service Manual

Troubleshooting for Outdoor Unit
7.35 Malfunction of Transmission between Central Remote
Controller and Indoor Unit
UE
Remote
Controller
Display
Applicable AII indoor unit models
Centralized controller
Models
Method of Microcomputer checks if transmission between indoor unit and centralized remote controller is
normal.
Malfunction
Detection
Malfunction When transmission is not carried out normally for a certain amount of time
Decision
Conditions
Supposed
Causes
398
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 controller
Defect of indoor unit PCB
SiAU18-715
Troubleshooting