Ue " Malfunction Of Transmission Between Centralized Controller And Indoor Unit - Daikin RQYQ140-180PY1 Service Manual

Troubleshooting by Remote Controller
UE
2.39 " " Malfunction of Transmission between Centralized
Controller and Indoor Unit
UE
Remote
Controller
Display
Applicable All indoor unit models
Centralized controller
Models
Schedule timer
Method of Micro-computer checks if transmission between indoor unit and centralized controller is normal.
Malfunction
Detection
Malfunction When transmission is not carried out normally for a certain amount of time
Decision
Conditions
Supposed
Causes
183
intelligent Touch Controller
Malfunction of transmission between optional controllers for centralized control and indoor
unit
Connector for setting master controller is disconnected.
(or disconnection of connector for independent / combined use changeover switch.)
Failure of PCB for centralized remote controller
Defect of indoor unit PCB
SiBE341001
Troubleshooting